Les Très Riches Heures du duc de Berry septembre

2008-05-04 at 18-26-44-Forgetmenot-Flower

September is the ninth month of the year in both the Julian and

Gregorian calendar The Gregorian calendar is the calendar used in most parts of the world. It was introduced in October 1582 by Pope Gregory XIII as a modification of, and replacement for, the Julian calendar. The principal change was to space leap years d ...

s, the third of four months to have a length of 30 days, and the fourth of five months to have a length of fewer than 31 days. September in the

Northern Hemisphere The Northern Hemisphere is the half of Earth that is north of the Equator. For other planets in the Solar System, north is defined as being in the same celestial hemisphere relative to the invariable plane of the solar system as Earth's Nort ...

and

March March is the third month of the year in both the Julian and Gregorian calendars. It is the second of seven months to have a length of 31 days. In the Northern Hemisphere, the meteorological beginning of spring occurs on the first day of March ...

in the Southern Hemisphere are seasonally equivalent. In the Northern hemisphere, the beginning of the meteorological

autumn Autumn, also known as fall in American English and Canadian English, is one of the four temperate seasons on Earth. Outside the tropics, autumn marks the transition from summer to winter, in September ( Northern Hemisphere) or March ( ...

is on 1 September. In the Southern hemisphere, the beginning of the meteorological

spring Spring(s) may refer to: Common uses * Spring (season), a season of the year * Spring (device), a mechanical device that stores energy * Spring (hydrology), a natural source of water * Spring (mathematics), a geometric surface in the shape of a h ...

is on 1 September.　 September marks the beginning of the

ecclesiastical year The liturgical year, also called the church year, Christian year or kalendar, consists of the cycle of liturgical seasons in Christian churches that determines when feast days, including celebrations of saints, are to be observed, and whic ...

in the

Eastern Orthodox Church The Eastern Orthodox Church, also called the Orthodox Church, is the second-largest Christian church, with approximately 220 million baptized members. It operates as a communion of autocephalous churches, each governed by its bishops via ...

. It is the start of the

academic year An academic year or school year is a period of time which schools, colleges and universities use to measure a quantity of study. School holiday School holidays (also referred to as vacations, breaks, and recess) are the periods during which sch ...

in many countries of the northern hemisphere, in which children go back to school after the summer break, sometimes on the first day of the month. September (from Latin ''septem'', "seven") was originally the seventh of ten months in the oldest known

Roman calendar The Roman calendar was the calendar used by the Roman Kingdom and Roman Republic. The term often includes the Julian calendar established by the reforms of the dictator Julius Caesar and emperor Augustus in the late 1stcenturyBC and some ...

, the calendar of Romulus , with March (Latin '' Martius'') the first month of the year until perhaps as late as 451 BC. After the calendar reform that added

January January is the first month of the year in the Julian and Gregorian calendars and is also the first of seven months to have a length of 31 days. The first day of the month is known as New Year's Day. It is, on average, the coldest month of the ...

and

February February is the second month of the year in the Julian and Gregorian calendars. The month has 28 days in common years or 29 in leap years, with the 29th day being called the ''leap day''. It is the first of five months not to have 31 days (th ...

to the beginning of the year, September became the ninth month but retained its name. It had 29 days until the Julian reform, which added a day.

September events

Ancient Roman In modern historiography, ancient Rome refers to Roman civilisation from the founding of the city of Rome in the 8th century BC to the collapse of the Western Roman Empire in the 5th century AD. It encompasses the Roman Kingdom (753–50 ...

observances for September include

Ludi Romani The ''Ludi Romani'' ("Roman Games"; see '' ludi'') was a religious festival in ancient Rome. Usually including multiple ceremonies called '' ludi''. They were held annually starting in 366 BC from September 12 to September 14, later extended to ...

, originally celebrated from September 12 to September 14, later extended to September 5 to September 19. In the 1st century BC, an extra day was added in honor of the deified Julius Caesar on 4 September.

Epulum Jovis In ancient Roman religion, the Epulum Jovis (also Epulum Iovis) was a sumptuous ritual feast offered to Jove on the Ides of September (September 13) and a smaller feast on the Ides of November (November 13). It was celebrated during the '' Ludi ...

was held on September 13.

Ludi Triumphales In the Roman Empire of the 4th century, the ''Ludi Triumphales'' ("Triumphal Games") were games ''( ludi)'' held annually September 18–22 to commemorate the victory of Constantine over Licinius at Chalcedon in 324. No description of these games ...

was held from September 18–22. The

Septimontium The Septimontium was a proto-urban festival celebrated in ancient Rome by ''montani'', residents of the seven ''(sept-)'' communities associated with the hills or peaks of Rome ''(montes)'': Oppius, Palatium, Velia, Fagutal, Cermalus, Caelius, ...

was celebrated in September, and on December 11 on later calendars. These dates do not correspond to the modern Gregorian calendar. September was called "harvest month" in

Charlemagne Charlemagne ( , ) or Charles the Great ( la, Carolus Magnus; german: Karl der Große; 2 April 747 – 28 January 814), a member of the Carolingian dynasty, was King of the Franks from 768, King of the Lombards from 774, and the first E ...

's calendar. September corresponds partly to the

Fructidor Fructidor () is the twelfth month in the French Republican Calendar. The month was named after the Latin word ''fructus'', which means "fruit". Fructidor is the third month of the summer quarter (''mois d'été''). By the Gregorian calendar, ...

and partly to the

Vendémiaire Vendémiaire () was the first month in the French Republican calendar. The month was named after the Occitan word ''vendemiaire'' (grape harvester). Vendémiaire was the first month of the autumn quarter (''mois d'automne''). It started on the ...

of the

first French republic In the history of France, the First Republic (french: Première République), sometimes referred to in historiography as Revolutionary France, and officially the French Republic (french: République française), was founded on 21 September 1792 ...

. September is called ''Herbstmonat'', harvest month, in Switzerland. The

Anglo-Saxon The Anglo-Saxons were a cultural group who inhabited England in the Early Middle Ages. They traced their origins to settlers who came to Britain from mainland Europe in the 5th century. However, the ethnogenesis of the Anglo-Saxons happened wit ...

s called the month ''Gerstmonath'', barley month, that crop being then usually harvested. In 1752, the

British Empire The British Empire was composed of the dominions, colonies, protectorates, mandates, and other territories ruled or administered by the United Kingdom and its predecessor states. It began with the overseas possessions and trading posts e ...

adopted the

. In the British Empire that year,

September 2 Events Pre-1600 *44 BC – Pharaoh Cleopatra VII of Egypt declares her son co-ruler as Ptolemy XV Caesarion. * 44 BC – Cicero launches the first of his '' Philippicae'' (oratorical attacks) on Mark Antony. He will make 14 of t ...

was immediately followed by September 14. On

Usenet Usenet () is a worldwide distributed discussion system available on computers. It was developed from the general-purpose Unix-to-Unix Copy (UUCP) dial-up network architecture. Tom Truscott and Jim Ellis conceived the idea in 1979, and it wa ...

, it is said that September 1993 (

Eternal September Eternal September or the September that never ended is Usenet slang for a period beginning around 1993 when Internet service providers began offering Usenet access to many new users. The flood of new users overwhelmed the existing culture for onl ...

) never ended.

September in astronomy and astrology

The

September equinox The September equinox (or southward equinox) is the moment when the Sun appears to cross the celestial equator, heading southward. Because of differences between the calendar year and the tropical year, the September equinox may occur anyt ...

takes place in this month, and certain observances are organized around it. It is the Autumn equinox in the Northern Hemisphere, and the Vernal equinox in the Southern Hemisphere. The dates can vary from 21 September to 24 September (in UTC). September is mostly in the sixth month of the astrological calendar (and the first part of the seventh), which begins at the end of March/Mars/Aries.

September symbols

* September's

birthstone A birthstone is a gemstone that represents a person's period of birth that is usually the month or zodiac sign. Birthstones are often worn as jewelry or as a pendant necklace. History of birthstones Western custom The first century historian ...

is the

sapphire Sapphire is a precious gemstone, a variety of the mineral corundum, consisting of aluminium oxide () with trace amounts of elements such as iron, titanium, chromium, vanadium, or magnesium. The name sapphire is derived via the Latin "sa ...

The birth flowers for September are the forget-me-not, morning glory and aster. * The

zodiac The zodiac is a belt-shaped region of the sky that extends approximately 8° north or south (as measured in celestial latitude) of the ecliptic, the apparent path of the Sun across the celestial sphere over the course of the year. The pa ...

signs for the month of September are Virgo (until September 22) and Libra (September 23 onwards).. Signs in UT/GMT for 1950–2030.

Observances

''This list does not necessarily imply either official status or general observance.''

Non-Gregorian observances: 2020 dates

List of observances set by the Bahá'í calendar A ''list'' is any set of items in a row. List or lists may also refer to: People * List (surname) Organizations * List College, an undergraduate division of the Jewish Theological Seminary of America * SC Germania List, German rugby unio ...

List of observances set by the Chinese calendar The traditional Chinese holidays are an essential part of harvests or prayer offerings. The most important Chinese holiday is the Chinese New Year (Spring Festival), which is also celebrated in overseas ethnic Chinese communities (for example in ...

* List of observances set by the Hebrew calendar * List of observances set by the Islamic calendar * List of observances set by the Solar Hijri calendar

Month-long observances

Amerindian Heritage Month (Guyana) Welcome to Micobie! — Heritage Village 2012 guyanachronicle.com/2012/09/09/welcome-to-micobie-heritage-village-2012 Amerindian Heritage Month is an annual observance that is held every September in Guyana in honour of Guyana's indigenous peoples. ...

Childhood Cancer Awareness Month Young Lives vs Cancer, the operating name for "CLIC Sargent", is a charity in the United Kingdom formed in 2005. Young Lives vs Cancer is the UK's leading cancer charity for children, young people and their families. Its care teams provide speci ...

(United Kingdom) *Gynecologic Cancer Awareness Month *Leukemia and Lymphoma Awareness Month *Ovarian Cancer Awareness Month *Thyroid Cancer Awareness Month *National Suicide Prevention Month

United States observances

* Better Breakfast Month * Food Safety Education Month * National

Childhood Obesity Childhood obesity is a condition where excess body fat negatively affects a child's health or well-being. As methods to determine body fat directly are difficult, the diagnosis of obesity is often based on BMI. Due to the rising prevalence o ...

Awareness Month * Hydrocephalus Awareness Month * Pain Awareness Month * National Preparedness Month *

National Prostate Health Month National Prostate Health Month (NPHM), also known as National Prostate Cancer Awareness Month, is observed every September in North America by health experts, health advocates, and individuals concerned with men's prostate health and prostate canc ...

* National Sickle Cell Awareness Month *

National Yoga Month Yoga as exercise is a physical activity consisting mainly of asana, postures, often connected by vinyasa, flowing sequences, sometimes accompanied by pranayama, breathing exercises, and frequently ending with savasana, relaxation lying down or ...

= Food Months

= * National Bourbon Heritage Month * California Wine Month * National Chicken Month *

National Honey Month National Honey Month is a celebratory and promotional event held annually during the month of September in the United States. Its purpose is to promote American beekeeping, the beekeeping industry, and honey as a natural and beneficial sweete ...

* National Mushroom Month * National Italian Cheese Month * National Papaya Month * National Potato Month * National Rice Month * National Whole Grains Month * National Wild Rice Month

Movable Gregorian observances

* Engineering Day (Egypt) *

White Balloon Day White Balloon Day is a symbol of support for survivors of child sexual abuse. It first began after a public meeting in Belgium in October 1996, when 300,000 people gathered with white balloons to show public sympathy and support for the parents o ...

Day of the Programmer Programmer's Day, also known as the Day of the Programmer, is a professional day that is celebrated in Russian Federation on the 256th (hexadecimal 100th, or the 28th) day of each year (September 13 during common years and on September 12 in leap ...

Te Wiki o te Reo Māori ( en, Māori Language Week) is a government-sponsored initiative intended to encourage New Zealanders to promote the use of the Māori language which is an official language of the country. Māori Language Week is part of a broader movement to ...

(Māori Language Week) (

New Zealand New Zealand ( mi, Aotearoa ) is an island country in the southwestern Pacific Ocean. It consists of two main landmasses—the North Island () and the South Island ()—and over 700 smaller islands. It is the sixth-largest island coun ...

First Wednesday

* Administrative Professionals' Day (

South Africa South Africa, officially the Republic of South Africa (RSA), is the southernmost country in Africa. It is bounded to the south by of coastline that stretch along the South Atlantic and Indian Oceans; to the north by the neighbouring coun ...

)

First Thursday

* Engineer's Days (

Tanzania Tanzania (; ), officially the United Republic of Tanzania ( sw, Jamhuri ya Muungano wa Tanzania), is a country in East Africa within the African Great Lakes region. It borders Uganda to the north; Kenya to the northeast; Comoro Islands ...

)

First Friday

* Engineer's Days (

) *

Labor Day Labor Day is a federal holiday in the United States celebrated on the first Monday in September to honor and recognize the American labor movement and the works and contributions of laborers to the development and achievements of the United St ...

(

Marshall Islands The Marshall Islands ( mh, Ṃajeḷ), officially the Republic of the Marshall Islands ( mh, Aolepān Aorōkin Ṃajeḷ),'' () is an independent island country and microstate near the Equator in the Pacific Ocean, slightly west of the Inte ...

) *

Teachers' Day Teachers' Day is a special day for the appreciation of teachers, and may include celebrations to honor them for their special contributions in a particular field area, or the community tone in education. This is the primary reason why countries ce ...

(

Singapore Singapore (), officially the Republic of Singapore, is a sovereign island country and city-state in maritime Southeast Asia. It lies about one degree of latitude () north of the equator, off the southern tip of the Malay Peninsula, bor ...

)

First Sunday

Brazilian Day Brazilian Day is an annual festival which takes place in New York City (NYC) and other cities around the world. It is held near the beginning of September to celebrate Brazil's independence day celebrated today in the Federative Republic of Bra ...

( International observance) * Father's Day (

Australia Australia, officially the Commonwealth of Australia, is a sovereign country comprising the mainland of the Australian continent, the island of Tasmania, and numerous smaller islands. With an area of , Australia is the largest country by ...

Fiji Fiji ( , ,; fj, Viti, ; Fiji Hindi: फ़िजी, ''Fijī''), officially the Republic of Fiji, is an island country in Melanesia, part of Oceania in the South Pacific Ocean. It lies about north-northeast of New Zealand. Fiji consis ...

Papua New Guinea Papua New Guinea (abbreviated PNG; , ; tpi, Papua Niugini; ho, Papua Niu Gini), officially the Independent State of Papua New Guinea ( tpi, Independen Stet bilong Papua Niugini; ho, Independen Stet bilong Papua Niu Gini), is a country i ...

) *

Memorial of the Holy Guardian Angels The Memorial of the Holy Guardian Angels is a memorial of the Catholic Church officially observed on 2 October. In some places, the feast is observed on the first Sunday in September with the permission of the Congregation for Divine Worship. Ca ...

(

Roman Catholic Church The Catholic Church, also known as the Roman Catholic Church, is the largest Christian church, with 1.3 billion baptized Catholics worldwide . It is among the world's oldest and largest international institutions, and has played a ...

, October 2 in most locations, first Sunday in September by special dispensation)

First Sunday after September 4

Wakes Week The Wakes Week is a holiday period in parts of England and Scotland. Originally a religious celebration or feast, the tradition of the Wakes Week developed into a secular holiday, particularly in North West England during the Industrial Revolution ...

(Parts of

England England is a country that is part of the United Kingdom. It shares land borders with Wales to its west and Scotland to its north. The Irish Sea lies northwest and the Celtic Sea to the southwest. It is separated from continental Europe ...

and

Scotland Scotland (, ) is a country that is part of the United Kingdom. Covering the northern third of the island of Great Britain, mainland Scotland has a border with England to the southeast and is otherwise surrounded by the Atlantic Ocean to ...

) ** Abbots Bromley Horn Dance ( Abbots Bromley,

Staffordshire Staffordshire (; postal abbreviation Staffs.) is a landlocked county in the West Midlands region of England. It borders Cheshire to the northwest, Derbyshire and Leicestershire to the east, Warwickshire to the southeast, the West Midlands C ...

)

Week of the First Monday

National Payroll Week National Payroll Week (NPW) is a national awareness campaign held annually during the week of Labor Day, hosted by the American Payroll Association (APA) in the United States, the Chartered Institute of Payroll Professionals (CIPP) in the UK, and ...

(

United States The United States of America (U.S.A. or USA), commonly known as the United States (U.S. or US) or America, is a country Continental United States, primarily located in North America. It consists of 50 U.S. state, states, a Washington, D.C., ...

Canada Canada is a country in North America. Its ten provinces and three territories extend from the Atlantic Ocean to the Pacific Ocean and northward into the Arctic Ocean, covering over , making it the world's second-largest country by to ...

United Kingdom The United Kingdom of Great Britain and Northern Ireland, commonly known as the United Kingdom (UK) or Britain, is a country in Europe, off the north-western coast of the continental mainland. It comprises England, Scotland, Wales and ...

)

Week of September 10

National Suicide Prevention Week National Suicide Prevention Week (NSPW) is an annual week-long campaign in the United States to inform and engage health professionals and the general public about suicide prevention and warning signs of suicide. By drawing attention to the proble ...

(

)

First Monday

Labour Day Labour Day (''Labor Day'' in the United States) is an annual holiday to celebrate the achievements of workers. Labour Day has its origins in the labour union movement, specifically the eight-hour day movement, which advocated eight hours for ...

(

Palau Palau,, officially the Republic of Palau and historically ''Belau'', ''Palaos'' or ''Pelew'', is an island country and microstate in the western Pacific. The nation has approximately 340 islands and connects the western chain of the ...

)

Nearest weekday to September 12

* Saragarhi Day (

Sikhism Sikhism (), also known as Sikhi ( pa, ਸਿੱਖੀ ', , from pa, ਸਿੱਖ, lit=disciple', 'seeker', or 'learner, translit=Sikh, label=none),''Sikhism'' (commonly known as ''Sikhī'') originated from the word ''Sikh'', which comes fro ...

) * Patriot Day (

)

Second Saturday

* Day of the Workers in the Oil, Gas, Power, and Geological Industry (

Turkmenistan Turkmenistan ( or ; tk, Türkmenistan / Түркменистан, ) is a country located in Central Asia, bordered by Kazakhstan to the northwest, Uzbekistan to the north, east and northeast, Afghanistan to the southeast, Iran to the s ...

)

Saturday after first Monday

* Carl Garner Federal Lands Cleanup Day (

)

Second Sunday

* Auditor's Day (

Church of Scientology The Church of Scientology is a group of interconnected corporate entities and other organizations devoted to the practice, administration and dissemination of Scientology, which is variously defined as a cult, a business, or a new religious ...

) * Father's Day (

Latvia Latvia ( or ; lv, Latvija ; ltg, Latveja; liv, Leţmō), officially the Republic of Latvia ( lv, Latvijas Republika, links=no, ltg, Latvejas Republika, links=no, liv, Leţmō Vabāmō, links=no), is a country in the Baltic region of ...

) *

National Grandparents' Day Grandparents' Day or National Grandparents' Day is a secular holiday celebrated in various countries; it is celebrated to show the bond between grandparents and grandchildren. It occurs on various days of the year, either as one holiday or someti ...

(

Estonia Estonia, formally the Republic of Estonia, is a country by the Baltic Sea in Northern Europe. It is bordered to the north by the Gulf of Finland across from Finland, to the west by the sea across from Sweden, to the south by Latvia, an ...

) * Tanker's Day (

Russia Russia (, , ), or the Russian Federation, is a transcontinental country spanning Eastern Europe and Northern Asia. It is the largest country in the world, with its internationally recognised territory covering , and encompassing one-ei ...

) * Turkmen Bakhshi Day (

)

First Sunday after first Monday

(

)

Week of September 17

Celebrate Freedom Week Celebrate Freedom Week is an official holiday celebrated by five U.S. states. Celebrate Freedom Week is a week designed to emphasize the teaching of the country's origins with an emphasis on the founding documents. The curriculum is taught to childr ...

(

Kansas Kansas () is a U.S. state, state in the Midwestern United States, Midwestern United States. Its Capital city, capital is Topeka, Kansas, Topeka, and its largest city is Wichita, Kansas, Wichita. Kansas is a landlocked state bordered by Nebras ...

and

Texas Texas (, ; Spanish: ''Texas'', ''Tejas'') is a state in the South Central region of the United States. At 268,596 square miles (695,662 km2), and with more than 29.1 million residents in 2020, it is the second-largest U.S. state by ...

)

Third Tuesday

* Prinsjesdag (

Netherlands ) , anthem = ( en, "William of Nassau") , image_map = , map_caption = , subdivision_type = Sovereign state , subdivision_name = Kingdom of the Netherlands , established_title = Before independence , established_date = Spanish Netherl ...

)

September 17 but observed on previous Friday if it falls on a Saturday or following Monday if on a Sunday

* Constitution Day (United States)

Third Friday

National POW/MIA Recognition Day In the United States, National POW/MIA Recognition Day is observed on the third Friday in September. It honors those who were prisoners of war (POWs) and those who are still missing in action (MIA). It is most associated with those who were POWs d ...

(

)

Third Saturday

* National Cleanup Day (United States) * Oktoberfest celebrations begin (

German diaspora The German diaspora consists of German people and their descendants who live outside of Germany. The term is used in particular to refer to the aspects of migration of German speakers from central Europe to different countries around the world. ...

, local dates may vary) * Software Freedom Day ( International observance)

Weekend of the week of September 17

* Von Steuben Day (

)

Third Sunday

* Day of the Walloon Region (

Wallonia Wallonia (; french: Wallonie ), or ; nl, Wallonië ; wa, Waloneye or officially the Walloon Region (french: link=no, Région wallonne),; nl, link=no, Waals gewest; wa, link=no, Redjon walone is one of the three regions of Belgium—al ...

Belgium Belgium, ; french: Belgique ; german: Belgien officially the Kingdom of Belgium, is a country in Northwestern Europe. The country is bordered by the Netherlands to the north, Germany to the east, Luxembourg to the southeast, France to ...

) * Father's Day (

Ukraine Ukraine ( uk, Україна, Ukraïna, ) is a country in Eastern Europe. It is the second-largest European country after Russia, which it borders to the east and northeast. Ukraine covers approximately . Prior to the ongoing Russian inva ...

) *

Federal Day of Thanksgiving, Repentance and Prayer The Federal Day of Thanksgiving, Repentance and Prayer (german: Eidgenössischer Dank-, Buss- und Bettag, french: Jeûne fédéral, it, Digiuno federale) is a public holiday in Switzerland. It is an interfaith feast observed by Roman Catholic dioc ...

(

Switzerland ). Swiss law does not designate a ''capital'' as such, but the federal parliament and government are installed in Bern, while other federal institutions, such as the federal courts, are in other cities (Bellinzona, Lausanne, Luzern, Neuchâtel ...

) *

Warachikuy During the Inca Empire Warachikuy (Quechua) was a ceremony where young men, after undergoing various tests of skill and valor, could receive the official status of an adult man. Today Warachikuy is still an important festival which represents the A ...

(

Cusco Cusco, often spelled Cuzco (; qu, Qusqu ()), is a city in Southeastern Peru near the Urubamba Valley of the Andes mountain range. It is the capital of the Cusco Region and of the Cusco Province. The city is the seventh most populous in Peru; ...

Peru , image_flag = Flag of Peru.svg , image_coat = Escudo nacional del Perú.svg , other_symbol = Great Seal of the State , other_symbol_type = National seal , national_motto = "Firm and Happy f ...

)

Week of Sunday before September 23

* Bisexual Awareness Week

Week of September 22

* Tolkien Week

Last week

Banned Books Week Banned Books Week is an annual awareness campaign promoted by the American Library Association and Amnesty International, that celebrates the freedom to read, draws attention to banned and challenged books, and highlights persecuted individual ...

( International observance):

Last full week

* National Forest Week (

) ** National Tree Day (Wednesday of last full week): *

(

Arkansas Arkansas ( ) is a landlocked state in the South Central United States. It is bordered by Missouri to the north, Tennessee and Mississippi to the east, Louisiana to the south, and Texas and Oklahoma to the west. Its name is from the O ...

and

Florida Florida is a state located in the Southeastern region of the United States. Florida is bordered to the west by the Gulf of Mexico, to the northwest by Alabama, to the north by Georgia, to the east by the Bahamas and Atlantic Ocean, and ...

)

Third Monday

* Respect for the Aged Day (

Japan Japan ( ja, 日本, or , and formally , ''Nihonkoku'') is an island country in East Asia. It is situated in the northwest Pacific Ocean, and is bordered on the west by the Sea of Japan, while extending from the Sea of Okhotsk in the n ...

)

Observances pertaining to the
September Equinox The September equinox (or southward equinox) is the moment when the Sun appears to cross the celestial equator, heading southward. Because of differences between the calendar year and the tropical year, the September equinox may occur anyt ...

* Autumnal Equinox Day (

) ** French Republican New Year. (defunct) *

Guldize Guldize, Gooldize (sometimes Dicklydize or Nickly Thize) is the harvest festival of the Cornish people. Guldize is an anglicization of Cornish ''Gool dheys'' "the feast of ricks" (i.e., grain stacks). The festival was held at the end of the wheat ...

(

Cornish people The Cornish people or Cornish ( kw, Kernowyon, ang, Cornƿīelisċ) are an ethnic group native to, or associated with Cornwall: and a recognised national minority in the United Kingdom, which can trace its roots to the ancient Britons ...

) * Higan (

) * Mabon (

Neopaganism Modern paganism, also known as contemporary paganism and neopaganism, is a term for a religion or family of religions influenced by the various historical pre-Christian beliefs of pre-modern peoples in Europe and adjacent areas of North Afric ...

) *

Miķeļi Miķeļi nav gadskārta () or Miķeļdiena is a Latvian autumn equinox and annual harvest festival and market. Latvian Miķeļi dainas referred to good and rich husbands as bread fathers, who are associated with the autumn harvest ripening. In di ...

(

) * Ostara (

, Southern Hemisphere)

Fourth Friday

Native American Day Native American Day is a holiday observed in several states in celebration of Native American culture. In California and Nevada, the holiday is designated on the fourth Friday of September, whereas in South Dakota and Wisconsin, it falls on the ...

(

California California is a state in the Western United States, located along the Pacific Coast. With nearly 39.2million residents across a total area of approximately , it is the most populous U.S. state and the 3rd largest by area. It is also the m ...

)

Last Friday

* Manit Day (

)

Last Saturday

* Girls in Aviation Day ( International observance) * National Public Lands Day (

)

Last Sunday

Daylight saving time Daylight saving time (DST), also referred to as daylight savings time or simply daylight time (United States, Canada, and Australia), and summer time (United Kingdom, European Union, and others), is the practice of advancing clocks (typicall ...

begins (

) *

Gold Star Mother's Day A service flag or service banner is a banner that family members of those serving in the United States Armed Forces can display. The flag or banner is officially defined as a white field with a red border, with a blue star for each family member s ...

(

)

Fourth Monday

American Indian Day Native American Day is a holiday observed in several states in celebration of Native American culture. In California and Nevada, the holiday is designated on the fourth Friday of September, whereas in South Dakota and Wisconsin, it falls on ...

(

Tennessee Tennessee ( , ), officially the State of Tennessee, is a landlocked U.S. state, state in the Southeastern United States, Southeastern region of the United States. Tennessee is the List of U.S. states and territories by area, 36th-largest by ...

) * September Declaration (

Flanders Flanders (, ; Dutch: ''Vlaanderen'' ) is the Flemish-speaking northern portion of Belgium and one of the communities, regions and language areas of Belgium. However, there are several overlapping definitions, including ones related to cultu ...

)

Last Wednesday

* Maple Leaf Day (

)

Last weekday in September

Ask a Stupid Question Day Ask a Stupid Question Day is a holiday that is sometimes celebrated in the United States, usually by school students and teachers. Although Ask a Stupid Question Day's default date is September 28, in practice it is usually observed on the last sc ...

(

India India, officially the Republic of India (Hindi: ), is a country in South Asia. It is the List of countries and dependencies by area, seventh-largest country by area, the List of countries and dependencies by population, second-most populous ...

)

Fixed Gregorian observances

* September 1 ** Anniversary of the Start of the Armed Struggle (

Eritrea Eritrea ( ; ti, ኤርትራ, Ertra, ; ar, إرتريا, ʾIritriyā), officially the State of Eritrea, is a country in the Horn of Africa region of Eastern Africa, with its capital and largest city at Asmara. It is bordered by Ethiopi ...

) **

Constitution Day (Slovakia) National holidays in Slovakia See also Remembrance days in Slovakia. References Zákon č. 241/1993 Z. z. o štátnych sviatkoch, dňoch pracovného pokoja a pamätných dňochNational and Bank Holidays in Slovakia * Public holidays in the C ...

** Disaster Prevention Day (

) ** Emma Nutt Day ( International observance) ** First day of school in many countries in Asia, Europe and the Americas. ** Flag Day (

Honduras Honduras, officially the Republic of Honduras, is a country in Central America. The republic of Honduras is bordered to the west by Guatemala, to the southwest by El Salvador, to the southeast by Nicaragua, to the south by the Pacific Oce ...

) ** Independence Day (Uzbekistan) **

Journalist Day The following are considered holidays in Taiwan. Some are official holidays, some are not: Table of Taiwan holidays Public holidays Unofficial holidays The following holidays are also observed on Taiwan, but are not official holidays obs ...

(

Taiwan Taiwan, officially the Republic of China (ROC), is a country in East Asia, at the junction of the East and South China Seas in the northwestern Pacific Ocean, with the People's Republic of China (PRC) to the northwest, Japan to the no ...

) ** Knowledge Day (

and

Armenia Armenia (), , group=pron officially the Republic of Armenia,, is a landlocked country in the Armenian Highlands of Western Asia.The UNbr>classification of world regions places Armenia in Western Asia; the CIA World Factbook , , and ''O ...

) ** National Cherry Popover Day (

) ** Random Acts of Kindness Day (

) **Start of

National Arbor Week Arbor Day (or Arbour in some countries) is a secular day of observance in which individuals and groups are encouraged to plant trees. Today, many countries observe such a holiday. Though usually observed in the spring, the date varies, dependi ...

(

), September 1–7 ** Veteran's Day (

Poland Poland, officially the Republic of Poland, is a country in Central Europe. It is divided into 16 administrative provinces called voivodeships, covering an area of . Poland has a population of over 38 million and is the fifth-most populou ...

) **

(

) ** Wattle Day (

) *

** Democracy Day (

Tibet Tibet (; ''Böd''; ) is a region in East Asia, covering much of the Tibetan Plateau and spanning about . It is the traditional homeland of the Tibetan people. Also resident on the plateau are some other ethnic groups such as Monpa people, ...

) **

Independence Day An independence day is an annual event commemorating the anniversary of a nation's independence or statehood, usually after ceasing to be a group or part of another nation or state, or more rarely after the end of a military occupation. Many ...

(Transnistria, unrecognized) **

( Nagorno-Karabakh Republic, unrecognized) ** National Blueberry Popsicle Day (

) **

National Day (Vietnam) National Day ( vi, Ngày Quốc Khánh) is a national holiday in Vietnam observed on 2 September, commemorating President Hồ Chí Minh reading the Declarations of independence of Vietnam at Ba Đình Square in Hanoi on 2 September 1945. It ...

** Sedantag (

German Empire The German Empire (),Herbert Tuttle wrote in September 1881 that the term "Reich" does not literally connote an empire as has been commonly assumed by English-speaking people. The term literally denotes an empire – particularly a hereditary ...

, defunct) ** Victory over Japan Day (

) *

September 3 Events Pre-1600 *36 BC – In the Battle of Naulochus, Marcus Vipsanius Agrippa, admiral of Octavian, defeats Sextus Pompey, son of Pompey, thus ending Pompeian resistance to the Second Triumvirate. * 301 – San Marino, one of t ...

**China's victory over Japan commemoration related observances: *** Armed Forces Day (

Republic of China Taiwan, officially the Republic of China (ROC), is a country in East Asia, at the junction of the East and South China Seas in the northwestern Pacific Ocean, with the People's Republic of China (PRC) to the northwest, Japan to the northeas ...

) *** V-J Day (

People's Republic of China China, officially the People's Republic of China (PRC), is a country in East Asia. It is the world's List of countries and dependencies by population, most populous country, with a Population of China, population exceeding 1.4 billion, slig ...

) ** Feast of San Marino and the Republic ( Republic of San Marino) ** Flag Day (Australia) **

(

Qatar Qatar (, ; ar, قطر, Qaṭar ; local vernacular pronunciation: ), officially the State of Qatar,) is a country in Western Asia. It occupies the Qatar Peninsula on the northeastern coast of the Arabian Peninsula in the Middle East; it sh ...

) **

Levy Mwanawasa Day Levy Patrick Mwanawasa (3 September 1948 – 19 August 2008) was the third president of Zambia. He served as president from January 2002 until his death in August 2008. Mwanawasa is credited with having initiated a campaign to rid the corrupt ...

(

Zambia Zambia (), officially the Republic of Zambia, is a landlocked country at the crossroads of Central, Southern and East Africa, although it is typically referred to as being in Southern Africa at its most central point. Its neighbours are t ...

) **

Memorial Day Memorial Day (originally known as Decoration Day) is a federal holiday in the United States for mourning the U.S. military personnel who have fought and died while serving in the United States armed forces. It is observed on the last Monda ...

(

Tunisia ) , image_map = Tunisia location (orthographic projection).svg , map_caption = Location of Tunisia in northern Africa , image_map2 = , capital = Tunis , largest_city = capital , ...

) ** Merchant Navy Remembrance Day (

) ** Merchant Navy (United Kingdom) ** National Welsh Rarebit Day (

) ** Tokehega Day ( Tokelau,

) *

September 4 Events Pre-1600 * 476 – Romulus Augustulus is deposed when Odoacer proclaims himself "King of Italy", thus ending the Western Roman Empire. * 626 – Li Shimin, posthumously known as Emperor Taizong of Tang, assumes the throne ove ...

** Clear Day (

Scientology Scientology is a set of beliefs and practices invented by American author L. Ron Hubbard, and an associated movement. It has been variously defined as a cult, a Scientology as a business, business, or a new religious movement. The most recent ...

) ** Immigrant's Day (

Argentina Argentina (), officially the Argentine Republic ( es, link=no, República Argentina), is a country in the southern half of South America. Argentina covers an area of , making it the List of South American countries by area, second-largest ...

) ** National Macadamia Nut Day (

) ** Newspaper Carrier Day (

) * September 5 ** International Day of Charity ** National Cheese Pizza Day (

) **

(

) * September 6 ** Armed Forces Day (São Tomé and Príncipe) ** Defence Day or Army Day (Pakistan) ** Flag Day (

Bonaire Bonaire (; , ; pap, Boneiru, , almost pronounced ) is a Dutch island in the Leeward Antilles in the Caribbean Sea. Its capital is the port of Kralendijk, on the west ( leeward) coast of the island. Aruba, Bonaire and Curaçao form the ABC ...

) **

(Eswatini) ** National Coffee Ice Cream Day (

) **

Unification Day (Bulgaria) Unification Day ( bg, Ден на Съединението, translit=Den na Saedinenieto) on 6 September is a national holiday of Bulgaria. It commemorates the unification of Eastern Rumelia and Bulgaria in 1885. By the terms of the Treaty of ...

* September 7 ** Air Force Day (Pakistan) ** Independence Day (Brazil) ** Military Intelligence Day (Ukraine) ** National Acorn Squash Day (

) ** National Beer Lover's Day (

) ** National Salami Day (

) ** National Threatened Species Day (

) ** Victory Day (

Mozambique Mozambique (), officially the Republic of Mozambique ( pt, Moçambique or , ; ny, Mozambiki; sw, Msumbiji; ts, Muzambhiki), is a country located in southeastern Africa bordered by the Indian Ocean to the east, Tanzania to the north, Malawi ...

) * September 8 ** Day of the Battle of Borodino (Russia) ** Feast Day of Our Lady of Meritxell (Andorra) **

Independence Day (North Macedonia) Independence Day ( mk, Ден на независноста, Den na nezavisnosta) in North Macedonia is celebrated on 8 September. It has been a national holiday since 1991, when, following a referendum for Independence, SR Macedonia gained its ...

** International Literacy Day **

Martyrs' Day (Afghanistan) In May 2012, the National Assembly of Afghanistan is reported to have accepted September 9 (or September 8, variable per Solar Hijri calendar) as "a new national holiday to honour national hero Ahmad Shah Massoud and those who died fighting for the ...

(date may fall on September 9, follows a non-Gregorian calendar) ** National day (Andorra) ** Nativity of Mary (

), (

Anglo-Catholicism Anglo-Catholicism comprises beliefs and practices that emphasise the Catholic heritage and identity of the various Anglican churches. The term was coined in the early 19th century, although movements emphasising the Catholic nature of Anglican ...

) ***

Monti Fest ''Monti Fest'' is a major Catholic festival held on 8 September every year by the Latin Christian community of Konkani people, originating in the Konkan region of India, and their descendants in the Canara region of south India. This festival ...

(

Mangalorean Catholic Mangalorean Catholics ( kok, Kōdiyālcheñ Kathōlikā) are an ethno-religious community of Latin Catholics in India typically residing in the Diocese of Mangalore in the erstwhile South Canara area, by the southwestern coast of present-day K ...

) ** Victory Day (Pakistan) ** Victory Day (Malta) ** World Physical Therapy Day * September 9 ** Armored Forces Day (Ukraine) ** California Admission Day (

, United States) **

Children's Day Children's Day is a commemorative date celebrated annually in honor of children, whose date of observance varies by country. In 1925, International Children's Day was first proclaimed in Geneva during the World Conference on Child Welfare. Sin ...

(Costa Rica) ** Chrysanthemum Day (

) ** Day of the Victims of Holocaust and of Racial Violence (Slovakia) ** Emergency Services Day (United Kingdom) ** Independence Day or Republic Day (North Korea) **

(Tajikistan) from

USSR The Soviet Union,. officially the Union of Soviet Socialist Republics. (USSR),. was a transcontinental country that spanned much of Eurasia from 1922 to 1991. A flagship communist state, it was nominally a federal union of fifteen nati ...

in 1991. **

(date may fall on September 8, follows a non-Gregorian calendar) ** National Steak Au Poivre Day (United States) ** Remembrance for Herman the Cheruscan ( The Troth) ** Wienerschnitzel Day (United States) ** Wonderful Weirdos Day * September 10 ** Amerindian Heritage Day (Guyana) **

(Honduras) ** National Day (

Gibraltar ) , anthem = " God Save the King" , song = "Gibraltar Anthem" , image_map = Gibraltar location in Europe.svg , map_alt = Location of Gibraltar in Europe , map_caption = United Kingdom shown in pale green , mapsize = , image_map2 = Gibr ...

) ** National TV Dinner Day (

) **

Saint George's Caye Day This is a list of public holidays in Belize. Public holidays *(*) Moveable holidays *(**) Replacement days: **Note 1 – Chapter 289 of the laws of Belize states that if the holiday falls on a Sunday, the following Monday is observed as the ba ...

(Belize) **

(China) ** World Suicide Prevention Day * September 11 ** Battle of Tendra Day (Russia) ** Death Anniversary of Quaid-e-Azam Muhammad Ali Jinnah, a former holiday. (Pakistan) ** Emergency Number Day (United States) ** Enkutatash falls on this day if it is not a leap year.(Ethiopia,

Rastafari Rastafari, sometimes called Rastafarianism, is a religion that developed in Jamaica during the 1930s. It is classified as both a new religious movement and a social movement by scholars of religion. There is no central authority in control o ...

) **

National Day of Catalonia The National Day of Catalonia ( ca, Diada Nacional de Catalunya , es, Día Nacional de Cataluña) is a day-long festival in Catalonia and one of its official national symbols, celebrated annually on 11 September. It commemorates the fall of Bar ...

(

Catalonia Catalonia (; ca, Catalunya ; Aranese Occitan: ''Catalonha'' ; es, Cataluña ) is an autonomous community of Spain, designated as a '' nationality'' by its Statute of Autonomy. Most of the territory (except the Val d'Aran) lies on the no ...

) ** National Hot Cross Bun Day (United States) ** Nayrouz (

Coptic Orthodox Church The Coptic Orthodox Church ( cop, Ϯⲉⲕ̀ⲕⲗⲏⲥⲓⲁ ⲛ̀ⲣⲉⲙⲛ̀ⲭⲏⲙⲓ ⲛ̀ⲟⲣⲑⲟⲇⲟⲝⲟⲥ, translit=Ti.eklyseya en.remenkimi en.orthodoxos, lit=the Egyptian Orthodox Church; ar, الكنيسة القبطي� ...

) ** Patriot Day (United States) ** Remember Freedom Day **

(Argentina) * September 12 ** Most Holy Name of the Blessed Virgin Mary **

Day of Conception Day of Conception (also known as Procreation Day) is a Russian Holiday made popular by the region of Ulyanovsk, birthplace of Vladimir Lenin. The day itself takes place on September 12th, and couples who then have a child on June 12th are rewar ...

(Russia) **

, during a

leap year A leap year (also known as an intercalary year or bissextile year) is a calendar year that contains an additional day (or, in the case of a lunisolar calendar, a month) added to keep the calendar year synchronized with the astronomical year or ...

. (International) ** Defenders Day (

Maryland Maryland ( ) is a state in the Mid-Atlantic region of the United States. It shares borders with Virginia, West Virginia, and the District of Columbia to its south and west; Pennsylvania to its north; and Delaware and the Atlantic Ocean t ...

. (United States) ** Enkutatash falls on this day if it is a leap year. (Ethiopia,

) **

Mindfulness Day Mindfulness Day is an emerging annual event, celebrated on September 12, on which day a variety of workshops and meditation groups are held with the intent to raise awareness to the general public about the profound value and benefit of mindfulne ...

** National Chocolate Milkshake Day (United States) ** National Day (Cape Verde) ** National Day of Encouragement (United States) ** Saragarhi Day (

) (this day or nearest weekday, 2015 date: September 11) * September 13 **

, during a non-

. (International) ** Feast of the Cross (

Assyrian Church of the East The Assyrian Church of the East,, ar, كنيسة المشرق الآشورية sometimes called Church of the East, officially the Holy Apostolic Catholic Assyrian Church of the East,; ar, كنيسة المشرق الآشورية الرسول� ...

) **'' Día de los Niños Héroes'' (Mexico) ** Engineer's Day (Mauritius) **

International Chocolate Day World Chocolate Day, sometimes referred to as International Chocolate Day, or just Chocolate Day, is an annual celebration of chocolate, occurring globally on July 7, which some suggest to be the anniversary of the introduction of chocolate to Eur ...

** National Peanut Day (

) * September 14 **

(Nepal) (celebrated on the 15th on leap years) ** Engineer's Day (Romania) ** Feast of the Cross (Christianity) *** Elevation of the Holy Cross (

Eastern Orthodox Eastern Orthodoxy, also known as Eastern Orthodox Christianity, is one of the three main branches of Chalcedonian Christianity, alongside Catholicism and Protestantism. Like the Pentarchy of the first millennium, the mainstream (or " canonical ...

) **

Hindi Diwas Hindi Day ( hi, हिन्दी दिवस, translit=hindī divas) is celebrated in India to commemorate the date 14 September 1949 on which a compromise was reached—during the drafting of the Constitution of India—on the languages tha ...

( Hindi-speaking regions) ** Mobilized Servicemen Day (Ukraine) ** National Cream Filled Donut Day (

) ** National Eat a Hoagie Day (United States) **

San Jacinto Day San Jacinto Day is the celebration of the Battle of San Jacinto on April 21, 1836. It was the final battle of the Texas Revolution where Texas won its independence from Mexico. It is an official "partial staffing holiday" in the State of Texas ...

(Nicaragua) * September 15 ** Battle of Britain Day (United Kingdom) **

(Nepal) (leap years only) ** Engineer's Day (India) **

Free Money Day Free Money Day is an annual global event held since 2011 as a social experiment and to promote sharing and alternative economic ideas. Overview The day is held annually on September 15, the anniversary of the Lehman Brothers' 2008 filing fo ...

(International) **

(Guatemala, El Salvador, Honduras, Nicaragua, and Costa Rica) **

International Day of Democracy In 2007 the United Nations General Assembly resolved to observe 15 September as the International Day of Democracywith the purpose of promoting and upholding the principles of democracyand invited all member states and organizations to commemorat ...

( International) ** Knowledge Day (Azerbaijan) ** National Crème de Menthe Day (

) ** National Double Cheeseburger Day (

) ** National Linguine Day (

) ** National Cheese Toast Day (

) ** Patriotic Day (Guatemala) ** Restoration of Primorska to the Motherland Day (Slovenia) ** Silpa Bhirasri Day (Thailand). **

World Lymphoma Awareness Day World Lymphoma Awareness Day (WLAD) is held on September 15 every year and is a day dedicated to raising awareness of lymphoma, an increasingly common form of cancer. It is a global initiative hosted by the Lymphoma Coalition (LC), a non-profit ne ...

**The beginning of National Hispanic Heritage Month, celebrated until October 15 (United States) * September 16 ** Grito de Dolores (Mexico) **

Independence Day (Papua New Guinea) This is a list of holidays in the Papua New Guinea. List References Papua New Guinea Holidays Law of Papua New Guinea {{PapuaNewGuinea-stub ...

, celebrates the independence of Papua New Guinea from Australia in 1975. ** International Day for the Preservation of the Ozone Layer ** Malaysian Armed Forces Day (Malaysia) ** Malaysia Day (Malaysia, Singapore) ** Martyrs' Day (Libya) ** Heroes' Day (Saint Kitts and Nevis) ** National Cinnamon Raisin Toast Day (

) ** National Guacamole Day (

) ** Stay Away from Seattle Day *

September 17 Events Pre-1600 * 1111 – Highest Galician nobility led by Pedro Fróilaz de Traba and the bishop Diego Gelmírez crown Alfonso VII as "King of Galicia". * 1176 – The Battle of Myriokephalon is the last attempt by the Byzantine Emp ...

Australian Citizenship Day Australian Citizenship Day is celebrated each year on 17 September. Managed by the Australian Department of Home Affairs, Australian Citizenship Day is an opportunity for all Australian citizens, whether by birth or by choice, to reflect o ...

** Constitution Day (United States) (observed on the previous Friday if it falls on a Saturday, the following Monday if on a Sunday) **Start of Constitution Week, runs from September 17–23 **

Heroes' Day (Angola) Heroes' Day or National Heroes' Day may refer to a number of commemorations of national heroes in different countries and territories. It is often held on the birthday of a national hero or heroine, or the anniversary of their great deeds that ...

** Marathwada Liberation Day (India) ** National Apple Dumpling Day (

) ** National Monte Cristo Sandwich Day (

) ** Operation Market Garden Anniversary is still remembered with parachuting and dedications on this day. (Netherlands) **

(Honduras) ** Von Steuben Day. (United States), weekend of the week of September 17. * September 18 **

Day of National Music There are several public holidays in Azerbaijan. Public holidays were regulated in the constitution of the Azerbaijan SSR for the first time on 19 May 1921. They are now regulated by the Constitution of Azerbaijan. Holidays Main holidays Other ...

(Azerbaijan) **First day of

Fiestas Patrias (Chile) The Fiestas Patrias (literally Homeland Holidays) of Chile consist of two days, with a third one added on some years: * 18 September, in commemoration of the proclamation of the First Governing Body of 1810, and marking the beginning of th ...

or ''Dieciocho'' (Chile) ** Island Language Day (

Okinawa Prefecture is a prefecture of Japan. Okinawa Prefecture is the southernmost and westernmost prefecture of Japan, has a population of 1,457,162 (as of 2 February 2020) and a geographic area of 2,281 km2 (880 sq mi). Naha is the capital and largest cit ...

, Japan) ** National Cheeseburger Day (

) ** Navy Day (Croatia) ** World Water Monitoring Day ( International) * September 19 **

Armed Forces Day (Chile) This is a list of public holidays (national or otherwise) in Chile; about half of them are Christian holidays. Dates for the year 2023 History On January 28, 1915, President of Chile Ramón Barros Luco promulgated law 2,977, which arranged al ...

Day of the First Public Appearance of the Slovak National Council Remembrance Days in Slovakia are working days. For Public holiday A public holiday, national holiday, or legal holiday is a holiday generally established by law and is usually a non-working day during the year. Sovereign nations and territorie ...

** Feast of San Gennaro **Second day of

(

Saint Kitts and Nevis Saint Kitts and Nevis (), officially the Federation of Saint Christopher and Nevis, is an island country and microstate consisting of the two islands of Saint Kitts and Nevis, both located in the West Indies, in the Leeward Islands chain ...

) ** International Talk Like a Pirate Day ** National Butterscotch Pudding Day (

) * September 20 **

of South Ossetia (not fully recognized) ** National Pepperoni Pizza Day (

) ** National Punch Day (

) ** National Rum Punch Day (

) **

National Youth Day (Thailand) Public holidays in Thailand are regulated by the Government of Thailand, government, and most are observed by both the public and private sectors. There are usually nineteen public holidays in a year, but more may be declared by the Cabinet of Tha ...

Oil Workers' Day There are several public holidays in Azerbaijan. Public holidays were regulated in the constitution of the Azerbaijan SSR for the first time on 19 May 1921. They are now regulated by the Constitution of Azerbaijan. Holidays Main holidays Other ...

(Azerbaijan) **

Universal Children's Day (Germany) Children's Day is a commemorative date celebrated annually in honor of children, whose date of observance varies by country. In 1925, International Children's Day was first proclaimed in Geneva during the World Conference on Child Welfare. Sin ...

September 21 Events Pre-1600 * 455 – Emperor Avitus enters Rome with a Gallic army and consolidates his power. *1170 – The Kingdom of Dublin falls to Norman invaders. *1217 – Livonian Crusade: The Estonian leader Lembitu and Livonian lead ...

Arbor Day (Brazil) Arbor Day (or Arbour in some countries) is a secular day of observance in which individuals and groups are encouraged to plant trees. Today, many countries observe such a holiday. Though usually observed in the spring, the date varies, dependi ...

** Commemoration of the Declaration of Martial Law (

Philippines The Philippines (; fil, Pilipinas, links=no), officially the Republic of the Philippines ( fil, Republika ng Pilipinas, links=no), * bik, Republika kan Filipinas * ceb, Republika sa Pilipinas * cbk, República de Filipinas * hil, Republ ...

) **

Customs Service Day Holidays in Poland are regulated by the Non-working Days Act of 18 January 1951 (Ustawa z dnia 18 stycznia 1951 o dniach wolnych od pracy; Journal of Laws 1951 No. 4, Item 28). The Act, as amended in 2010, currently defines thirteen public holiday ...

(

) ** Founder's Day and

National Volunteer Day National Volunteer Day (NVDay) is a day slated for the September 21 of every year which is also Founder's Day by The GhanaThink Foundation, geared towards encouraging Ghanaians to take up the attitude of Volunteerism. The NVDay initiative is ...

(

Ghana Ghana (; tw, Gaana, ee, Gana), officially the Republic of Ghana, is a country in West Africa. It abuts the Gulf of Guinea and the Atlantic Ocean to the south, sharing borders with Ivory Coast in the west, Burkina Faso in the north, and Tog ...

) **

, celebrates the independence of

from the

Soviet Union The Soviet Union,. officially the Union of Soviet Socialist Republics. (USSR),. was a transcontinental country that spanned much of Eurasia from 1922 to 1991. A flagship communist state, it was nominally a federal union of fifteen nationa ...

in 1991. **

, celebrates the independence of

Belize Belize (; bzj, Bileez) is a Caribbean and Central American country on the northeastern coast of Central America. It is bordered by Mexico to the north, the Caribbean Sea to the east, and Guatemala to the west and south. It also shares a wa ...

from the United Kingdom in 1981. **

, celebrates the independence of

Malta Malta ( , , ), officially the Republic of Malta ( mt, Repubblika ta' Malta ), is an island country in the Mediterranean Sea. It consists of an archipelago, between Italy and Libya, and is often considered a part of Southern Europe. It lies ...

from the United Kingdom in 1964. ** International Day of Peace ( International) ** National Pecan Cookie Day (

) ** Acknowledgement of Earth, Wind, & Fire's "September" **

Student's Day (Bolivia) Spring day is a holiday marking the coming of the spring season, which takes place in different countries, on varying dates. Northern Hemisphere Albania Albania celebrates the lunar Spring Day, the so-called ''Summer Day'' (), on 14 March, and ...

Victory over the Golden Horde in the Battle of Kulikovo The Days of Military Honour (russian: Дни воинской славы, ''dni voinskoy slavy'') are special memorable dates in the Russian Armed Forces dedicated to the most outstanding victories won by Russia. Some of these dates are state holid ...

(Russia) * September 22 **

American Business Women's Day American Business Women's Day is an American holiday, nationally recognized on September 22. September 22 marks the 1949 founding date of the American Business Women's Association, the mission of which is "to bring together businesswomen of dive ...

(

) ** Dear Diary Day **

Hobbit Day Hobbit Day is a name used for September 22 in reference to its being the birthday of the hobbits Bilbo and Frodo Baggins, two fictional characters in J. R. R. Tolkien's popular set of books '' The Hobbit'' and '' The Lord of the Rings''. Accor ...

, the containing week is celebrated as Tolkien Week. ( American Tolkien Society) **

, celebrates the independence of

Bulgaria Bulgaria (; bg, България, Bǎlgariya), officially the Republic of Bulgaria,, ) is a country in Southeast Europe. It is situated on the eastern flank of the Balkans, and is bordered by Romania to the north, Serbia and North Macedo ...

from the

Ottoman Empire The Ottoman Empire, * ; is an archaic version. The definite article forms and were synonymous * and el, Оθωμανική Αυτοκρατορία, Othōmanikē Avtokratoria, label=none * info page on book at Martin Luther University ...

in 1908. **

, celebrates the independence of

Mali Mali (; ), officially the Republic of Mali,, , ff, 𞤈𞤫𞤲𞥆𞤣𞤢𞥄𞤲𞤣𞤭 𞤃𞤢𞥄𞤤𞤭, Renndaandi Maali, italics=no, ar, جمهورية مالي, Jumhūriyyāt Mālī is a landlocked country in West Africa. Ma ...

from France in 1960. **

OneWebDay OneWebDay is an annual day of Internet celebration and awareness held on September 22. The stated goal of founder Susan P. Crawford is for OneWebDay to foster and make visible a global constituency that cares about the future of the Internet. Hi ...

, an annual day of Internet celebration and awareness, started in 2006. **

Resistance Fighting Day Resistance Fighting Day () also known as Otto Tief Government Day () is a public holiday in Estonia which takes on 22 September. It honors the Estonian commander Otto Tief's attempt to restore Estonian independence in 1944. The holiday is a date ...

(

) ** World Car-Free Day *

September 23 Events Pre-1600 * 38 – Drusilla, Caligula's sister who died in June, with whom the emperor is said to have an incestuous relationship, is deified. *1122 – Pope Callixtus II and Holy Roman Emperor Henry V agree to the Concordat ...

** Celebrate Bisexuality Day ** Grito de Lares (

Puerto Rico Puerto Rico (; abbreviated PR; tnq, Boriken, ''Borinquen''), officially the Commonwealth of Puerto Rico ( es, link=yes, Estado Libre Asociado de Puerto Rico, lit=Free Associated State of Puerto Rico), is a Caribbean island and unincorporated ...

) **

Holocaust Memorial Day (Lithuania) The Holocaust in Lithuania resulted in the near total destruction of Lithuanian Jews, Lithuanian (Litvaks) and History of the Jews in Poland, Polish Jews, living in ''Generalbezirk Litauen'' of ''Reichskommissariat Ostland'' within the Occupation ...

** Kyrgyz Language Day (

Kyrgyzstan Kyrgyzstan,, pronounced or the Kyrgyz Republic, is a landlocked country in Central Asia. Kyrgyzstan is bordered by Kazakhstan to the north, Uzbekistan to the west, Tajikistan to the south, and the People's Republic of China to the ea ...

) ** National Day (

Saudi Arabia Saudi Arabia, officially the Kingdom of Saudi Arabia (KSA), is a country in Western Asia. It covers the bulk of the Arabian Peninsula, and has a land area of about , making it the fifth-largest country in Asia, the second-largest in the Ara ...

) **

Teachers' Day (Brunei) Teachers' Day is a special day for the appreciation of teachers, and may include celebrations to honor them for their special contributions in a particular field area, or the community tone in education. This is the primary reason why countries ce ...

* September 24 **

Armed Forces Day (Peru) Many nations around the world observe some kind of Armed Forces Day to honor their military forces. This day is not to be confused with Veterans Day or Memorial Day. Africa Egypt In Egypt, Armed Forces Day is celebrated on 6 October, ...

Constitution Day (Cambodia) Cambodia has numerous public holidays, including memorial holidays and religious holidays of Buddhist origin. The Khmer traditional calendar, known as ''Chântôkôtĕ'', is a lunisolar calendar although the word itself means lunar calendar. Wh ...

** La Mercè (

Barcelona Barcelona ( , , ) is a city on the coast of northeastern Spain. It is the capital and largest city of the autonomous community of Catalonia, as well as the second most populous municipality of Spain. With a population of 1.6 million within c ...

) **

Heritage Day (South Africa) Heritage Day (; ) is a South African public holiday celebrated on 24 September. On this day, South Africans are encouraged to celebrate their culture and the diversity of their beliefs and traditions, in the wider context of a nation that belo ...

Independence Day (Guinea-Bissau) This is a list of the ten holidays in Guinea-Bissau. Employers must compensate workers on these days. Other holidays can be declared at any time. Public holidays References {{Africa in topic, Public holidays in Bissau-Guinean culture G ...

Mahidol Day Public holidays in Thailand are regulated by the government, and most are observed by both the public and private sectors. There are usually nineteen public holidays in a year, but more may be declared by the cabinet. Other observances, both offic ...

(

Thailand Thailand ( ), historically known as Siam () and officially the Kingdom of Thailand, is a country in Southeast Asia, located at the centre of the Indochinese Peninsula, spanning , with a population of almost 70 million. The country is b ...

) **

National Punctuation Day National Punctuation Day is a celebration of punctuation that occurs each year on September 24 in the United States of America. Founded by Jeff Rubin in 2004, National Punctuation Day simply promotes the correct usage of punctuation. Rubin encourage ...

(

) ** New Caledonia Day (

New Caledonia ) , anthem = "" , image_map = New Caledonia on the globe (small islands magnified) (Polynesia centered).svg , map_alt = Location of New Caledonia , map_caption = Location of New Caledonia , mapsize = 290px , subdivision_type = Sovereign st ...

) **

Republic Day (Trinidad and Tobago) The Government of Trinidad and Tobago officially recognizes a number of holidays and celebrations from most represented groups. The following holidays are those that are officially observed in Trinidad and Tobago: Public Holidays Carnival Dat ...

September 25 Events Pre-1600 * 275 – For the last time, the Roman Senate chooses an emperor; they elect 75-year-old Marcus Claudius Tacitus. * 762 – Led by Muhammad al-Nafs al-Zakiyya, the Hasanid branch of the Alids begins the Alid Revolt ...

** Day of National Recognition for the Harkis (

France France (), officially the French Republic ( ), is a country primarily located in Western Europe. It also comprises of Overseas France, overseas regions and territories in the Americas and the Atlantic Ocean, Atlantic, Pacific Ocean, Pac ...

) ** German Butterbrot Day (

Germany Germany,, officially the Federal Republic of Germany, is a country in Central Europe. It is the second most populous country in Europe after Russia, and the most populous member state of the European Union. Germany is situated betwee ...

) ** National Lobster Day (

) **

National Youth Day National Youth Day is a holiday dedicated to the youths of a country. It is observed by 18 countries, on many dates throughout the year. The United Nations agreed on the date of 12 August in 1999 in South Africa. National Youth Day International ...

(

Nauru Nauru ( or ; na, Naoero), officially the Republic of Nauru ( na, Repubrikin Naoero) and formerly known as Pleasant Island, is an island country and microstate in Oceania, in the Central Pacific. Its nearest neighbour is Banaba Island in ...

) ** Revolution Day (

) * September 26 ** Day of the National Flag (

Ecuador Ecuador ( ; ; Quechua: ''Ikwayur''; Shuar: ''Ecuador'' or ''Ekuatur''), officially the Republic of Ecuador ( es, República del Ecuador, which literally translates as "Republic of the Equator"; Quechua: ''Ikwadur Ripuwlika''; Shuar: ' ...

) **

Dominion Day Dominion Day was a day commemorating the granting of certain countries Dominion status — that is, "autonomous Communities within the British Empire, equal in status, in no way subordinate one to another in any aspect of their domestic or external ...

(

) **

European Day of Languages The European Day of Languages is observed 26 September, as proclaimed by the Council of Europe on 6 December 2001, at the end of the European Year of Languages (2001), which had been jointly organised by the Council of Europe and the European Uni ...

(

European Union The European Union (EU) is a supranational union, supranational political union, political and economic union of Member state of the European Union, member states that are located primarily in Europe, Europe. The union has a total area of ...

) **

Johnny Appleseed Day John Chapman (September 26, 1774March 18, 1845), better known as Johnny Appleseed, was an American pioneer nurseryman who introduced apple trees to large parts of Pennsylvania, Ohio, Indiana, Illinois, and Ontario, as well as the northern coun ...

(

) ** National Better Breakfast Day (

) ** National Dumpling Day (

) ** National Good Neighbor Day (

) ** National Pancake Day (

) ** Revolution Day (

Yemen Yemen (; ar, ٱلْيَمَن, al-Yaman), officially the Republic of Yemen,, ) is a country in Western Asia. It is situated on the southern end of the Arabian Peninsula, and borders Saudi Arabia to the north and Oman to the northeast and ...

) * September 27 **

Consumación de la Independencia In Mexico there are three major kinds of public holidays: * Statutory holiday: Holidays observed all around Mexico. Employees are entitled to a day off with regular pay and schools (public and private) are closed for the day. * Civic holiday: T ...

(

Mexico Mexico (Spanish language, Spanish: México), officially the United Mexican States, is a List of sovereign states, country in the southern portion of North America. It is borders of Mexico, bordered to the north by the United States; to the so ...

) **

French Community Holiday , nickname = , observedby = French Community of Belgium , litcolor = , longtype = , significance = , begins = , ends = , duration = 1 day , frequency = annual , scheduling = same day ea ...

(French community of Belgium) ** Meskel (

Ethiopian Ethiopians are the native inhabitants of Ethiopia, as well as the global diaspora of Ethiopia. Ethiopians constitute several component ethnic groups, many of which are closely related to ethnic groups in neighboring Eritrea and other parts of ...

and Eritrean Orthodox Church, following

Julian calendar The Julian calendar, proposed by Roman consul Julius Caesar in 46 BC, was a reform of the Roman calendar. It took effect on , by edict. It was designed with the aid of Greek mathematicians and astronomers such as Sosigenes of Alexandri ...

, September 28 on leap years) ** National Chocolate Milk Day (

) ** National Corned Beef Hash Day (

) ** National Gay Men's HIV/AIDS Awareness Day (

) **

Polish Underground State's Day Holidays in Poland are regulated by the Non-working Days Act of 18 January 1951 (Ustawa z dnia 18 stycznia 1951 o dniach wolnych od pracy; Journal of Laws 1951 No. 4, Item 28). The Act, as amended in 2010, currently defines thirteen public holiday ...

(

) ** World Tourism Day *

September 28 Events Pre-1600 *48 BC – Pompey disembarks at Pelusium upon arriving in Egypt, whereupon he is assassinated by order of King Ptolemy XIII. * 235 – Pope Pontian resigns. He is exiled to the mines of Sardinia, along with Hippolytu ...

(

) ** Czech Statehood Day (

Czech Republic The Czech Republic, or simply Czechia, is a landlocked country in Central Europe. Historically known as Bohemia, it is bordered by Austria to the south, Germany to the west, Poland to the northeast, and Slovakia to the southeast. The ...

) ** Family Day – A Day to Eat Dinner with Your Children (

) ** Fish Tank Floorshow Night ** Freedom from Hunger Day **

International Right to Know Day The International Day for Universal Access to Information (IDUAI) was proclaimed on 15 October 2019 at the 74th UN General Assembly to be held on 28 September. Initially the day (commonly called the Access to Information Day) was designated by t ...

** Meskel (

and Eritrean Orthodox Church, September 28 on leap years only, all other years is September 27) **

National Day of Awareness and Unity against Child Pornography Child pornography (also called CP, child sexual abuse material, CSAM, child porn, or kiddie porn) is pornography that unlawfully exploits children for sexual stimulation. It may be produced with the direct involvement or sexual assault of a chi ...

(

) **

(

and Chinese-Filipino schools in the

) **

World Rabies Day World Rabies Day is an international awareness campaign coordinated by the Global Alliance for Rabies Control, a non-profit organization with headquarters in the United States. It is a United Nations Observance and has been endorsed by internatio ...

September 29 Events Pre-1600 *61 BC – Pompey the Great celebrates his third triumph for victories over the pirates and the end of the Mithridatic Wars on his 45th birthday. * 1011 – Danes capture Canterbury after a siege, taking Ælfheah, ...

** Feast of the

Archangel Archangels () are the second lowest rank of angel in the hierarchy of angels. The word ''archangel'' itself is usually associated with the Abrahamic religions, but beings that are very similar to archangels are found in a number of other relig ...

Michael Michael may refer to: People * Michael (given name), a given name * Michael (surname), including a list of people with the surname Michael Given name "Michael" * Michael (archangel), ''first'' of God's archangels in the Jewish, Christian and ...

Gabriel In Abrahamic religions (Judaism, Christianity and Islam), Gabriel (); Greek: grc, Γαβριήλ, translit=Gabriḗl, label=none; Latin: ''Gabriel''; Coptic: cop, Ⲅⲁⲃⲣⲓⲏⲗ, translit=Gabriêl, label=none; Amharic: am, ገብ� ...

, and

Raphael Raffaello Sanzio da Urbino, better known as Raphael (; or ; March 28 or April 6, 1483April 6, 1520), was an Italian painter and architect of the High Renaissance. His work is admired for its clarity of form, ease of composition, and visual ...

. ** National Biscotti Day (

) ** National Coffee Day (multiple countries, see article) **

Inventors' Day Inventors' Day is a day of the year set aside by a country to recognise the contributions of inventors. Not all countries recognise Inventors' Day. Those countries which do recognise an Inventors' Day do so with varying degrees of emphasis and on ...

(

) **

Michaelmas Michaelmas ( ; also known as the Feast of Saints Michael, Gabriel, and Raphael, the Feast of the Archangels, or the Feast of Saint Michael and All Angels) is a Christian festival observed in some Western liturgical calendars on 29 September, a ...

One of the four

quarter days In British and Irish tradition, the quarter days were the four dates in each year on which servants were hired, school terms started, and rents were due. They fell on four religious festivals roughly three months apart and close to the two sols ...

in the

Irish calendar The Irish calendar is the Gregorian calendar as it is in use in Ireland, but also incorporating Irish cultural festivals and views of the division of the seasons, presumably inherited from earlier Celtic calendar traditions. For example, th ...

. (England and Ireland) **

Victory of Boquerón Day The following are national holidays in Paraguay All holidays in Paraguay can be moved by presidential decree, but there has to be a presidential decree for such a change. The following holidays are the exception (dates are fixed and to not cha ...

(Paraguay) ** World Heart Day * September 30 **

Agricultural Reform (Nationalization) Day Agriculture or farming is the practice of cultivating plants and livestock. Agriculture was the key development in the rise of sedentary human civilization, whereby farming of domesticated species created food surpluses that enabled people to ...

(

São Tomé and Príncipe São Tomé and Príncipe (; pt, São Tomé e Príncipe (); English: " Saint Thomas and Prince"), officially the Democratic Republic of São Tomé and Príncipe ( pt, República Democrática de São Tomé e Príncipe), is a Portuguese-speaking ...

) **

Birth of Morelos In Mexico there are three major kinds of public holidays: * Statutory holiday: Holidays observed all around Mexico. Employees are entitled to a day off with regular pay and schools (public and private) are closed for the day. * Civic holiday: T ...

(

) ** Blasphemy Day (

, other countries) ** Boy's Day (

) **

Independence Day (Botswana) The Independence Day of Botswana, commonly called Boipuso, is a national holiday observed in Botswana on September 30 of every year. The date celebrates Botswana's Declaration of Independence from the United Kingdom on September 30, 1966. Indepen ...

** International Translation Day ( International Federation of Translators) ** National Hot Mulled Cider Day (

) ** Recovery Day (

) **

Orange Shirt Day The Truth and Reconciliation Day (french: Journée de la vérité et de la réconciliation), originally and still colloquially known as Orange Shirt Day (french: Jour du chandail orange), is a Canadian statutory holiday to recognize the legacy ...

(

)

References

External links

* * * {{Authority control *09

September events

September in astronomy and astrology

September symbols

Observances

Non-Gregorian observances: 2020 dates

Month-long observances

United States observances

= Food Months

Movable Gregorian observances

First Wednesday

First Thursday

First Friday

First Sunday

First Sunday after September 4

Week of the First Monday

Week of September 10

First Monday

Nearest weekday to September 12

Second Saturday

Saturday after first Monday

Second Sunday

First Sunday after first Monday

Week of September 17

Third Tuesday

September 17 but observed on previous Friday if it falls on a Saturday or following Monday if on a Sunday

Third Friday

Third Saturday

Weekend of the week of September 17

Third Sunday

Week of Sunday before September 23

Week of September 22

Last week

Last full week

Third Monday

Observances pertaining to the September Equinox The September equinox (or southward equinox) is the moment when the Sun appears to cross the celestial equator, heading southward. Because of differences between the calendar year and the tropical year, the September equinox may occur anyt ...

Fourth Friday

Last Friday

Last Saturday

Last Sunday

Fourth Monday

Last Wednesday

Last weekday in September

Fixed Gregorian observances

References

External links

Observances pertaining to the
September Equinox The September equinox (or southward equinox) is the moment when the Sun appears to cross the celestial equator, heading southward. Because of differences between the calendar year and the tropical year, the September equinox may occur anyt ...