Important Days in September 2023: National and International Special Days

Important days in September 2023: According to the Julian and Gregorian calendar, September is placed at 9th position. This month has 30 days. It includes many events that are observed worldwide such as teacher’s day (India), Skyscraper day, World Suicide prevention day, Hindi Diwas and many more. Let us check all the dates and their events below in the table.

Important days in September 2023

Date Events
September 1



Disaster Prevention Day (Japan) Independence Day (Uzbekistan)

Start of National Arbor Week (South Africa)

Random Acts of Kindness Day (New Zealand)

Wattle Day (Australia)

Knowledge Day (Russia, Ukraine, Armenia)

Emma Nutt Day

Anniversary of the Start of the Armed Struggle (Eritrea)

Constitution Day (Slovakia)

National Cherry Popover Day (US) Journalist Day (Taiwan)

Flag Day (Honduras)

September 2



World Coconut Day, Victory over Japan Day (US)

Independence Day (Transnistria, Nagorno-Karabakh Republic)

National Day (Vietnam)

National Blueberry Popsicle Day (US)

September 3


Feast of San Marino and the Republic (Republic of San Marino)

Flag Day (Australia)

Independence Day (Qatar)

Levy Mwanawasa Day (Zambia) National Welsh Rarebit Day (US) Memorial Day (Tunisia)

Tokehega Day (New Zealand)

China’s Victory

Merchant Navy Remembrance Day (Canada)

V-J Day (People’s Republic of China) Armed Forces Day (Republic of China) Merchant Navy (United Kingdom)

September 4


Newspaper Carrier Day (US) Immigrant’s Day (Argentina)

Clear Day (Scientology)

National Macadamia Nut Day (US)

September 5


International Day of Charity

Teachers day (India)

National Cheese Pizza Day (US)

September 6




Independence Day (Swaziland)

Flag Day (Bonaire)

Armed Forces Day (Sao Tome and Principe)

Unification Day (Bulgaria)

Defense Day or Army Day (Pakistan) National Coffee Ice Cream Day (US)

September 7


National Threatened Species Day (Australia)

Independence Day (Brazil)

Air Force Day (Pakistan)

National Acorn Squash Day (US)

Military Intelligence Day (Ukraine) National Salami Day (US)

National Beer Lover’s Day (US) Forgiveness Day

September 8


Victory Day (Pakistan, Malta)

Day of the Battle of Borodino (Russia) Nativity of Mary (Roman Catholic Church)

Feast Day of Our Lady of Meritxell (a national holiday in Andorra)

Martyrs’ Day (Afghanistan) Independence Day (Republic of Macedonia)

National Day (Andorra)

Monti Fest (Mangalorean Catholic) World Physical Therapy Day

September 9


Independence Day (Tajikistan) from USSR in 1991

Remembrance for Herman the Cheruscan (The Troth)

Chrysanthemum Day (Japan)

Day of the Victims of Holocaust and of Racial Violence (Slovakia)

Children’s Day (Costa Rica)

Emergency Services Day (United Kingdom)

National Steak Au Poivre Day (US) Wienerschnitzel Day (US), Armored Forces Day (Ukraine)

Wonderful Weirdos Day

California Admission Day (California, US)

Independence Day or Republic Day (North Korea)

September 10


Teachers’ Day (China)

Amerindian Heritage Day (Guyana) National TV Dinner Day (US)

Children’s Day (Honduras)

Saint George’s Caye Day (Belize) National Day (Gibraltar)

World First Aid Day

September 11


Emergency Number Day (US)

Nayrouz (Coptic Orthodox Church) National Hot Cross Bun Day (US)

Battle of Tendra Day (Russia)

Patriot Day (US)

Death Anniversary of Muhammad Ali Jinnah (Pakistan)

Teachers’ Day (Argentina)

National Day of Catalonia (Catalonia) Enkutatash (Ethiopia, Rastafari) Remember Freedom Day

September 12


National Day of Encouragement (US) Day of Conception (Russia)

Defenders Day (US)

National Chocolate Milkshake Day (US) Saragarhi Day (Sikhism)

National Day (Cape Verde)

September 13


Feast of the Cross (Assyrian Church of the East)

Engineer’s Day (Mauritius)

National Peanut Day (US)

September 14


Feast of the Cross (Christianity)

San Jacinto Day (Nicaragua)

Elevation of the Holy Cross (Eastern Orthodox)

Children’s Day (Nepal)

Mobilized Servicemen Day (Ukraine) National Cream-Filled Donut Day (US) Engineer’s Day (Romania)

National Eat a Hoagie Day (US)

September 15


International Day of Democracy

Battle of Britain Day (United Kingdom) National Double Cheeseburger Day (US)

Free Money Day (International) National Linguine Day (US)

Patriotic Day (Guatemala) Independence Day (Guatemala, El Salvador, Honduras, Nicaragua, and Costa Rica)

National Creme de Menthe Day (US) Knowledge Day (Azerbaijan)

Silpa Bhirasri Day (Thailand)

National Cheese Toast Day (US) Restoration of Primorska to the Motherland Day (Slovenia)

World Lymphoma Awareness Day Beginning of National Hispanic Heritage Month (US)

September 16


Malaysia Day

Heroes’ Day (Saint Kitts and Nevis)

Grito de Dolores (Mexico) Independence Day (Papua New Guinea)

Martyrs’ Day (Libya)

National Cinnamon Raisin Toast Day (US)

National Guacamole Day (US)

Malaysian Armed Forces Day (Malaysia)

September 17


Teachers’ Day (Honduras)

Australian Citizenship Day

Heroes’ Day (Angola)

Constitution Day (US)

Marathwada Liberation Day (India) Start of Constitution Week

National Monte Cristo Sandwich Day (US)

National Apple Dumpling Day (US)

Von Steuben Day (US)

September 18


Day of National Music (Azerbaijan)

First day of Fiestas Patrias (Chile) or Dieciocho (Chile)

Navy Day (Croatia)

Island Language Day (Okinawa Prefecture, Japan)

National Cheeseburger Day (US)

September 19


The second day of Fiestas Patrias (Chile) Armed Forces Day (Chile)

Independence Day (Saint Kitts and Nevis)

Feast of San Gennaro

Day of the First Public Appearance of the Slovak National Council

National Butterscotch Pudding Day (US)

International Talk Like a Pirate Day

September 20


National Youth Day (Thailand)

National Rum Punch Day (US)

Universal Children’s Day (Germany) Independence Day of South Ossetia

Oil Workers’ Day (Azerbaijan)

National Pepperoni Pizza Day (US) National Punch Day (US)

September 21


Independence Day (Armenia, Belize, Malta)

Commemoration of the Declaration of Martial Law (Philippines)

Arbor Day (Brazil)

Founder’s Day and National Volunteer Day (Ghana)

Customs Service Day (Poland)

Victory over the Golden Horde in the Battle of Kulikovo (Russia)

Student’s Day (Bolivia)

National Pecan Cookie Day (US)

World Alzheimer’s Day

September 22


Rose Day (Welfare of Cancer patients) Resistance Fighting Day (Estonia) American Business Women’s Day (US) OneWebDay

Dear Diary Day

Hobbit Day (American Tolkien Society) Independence Day (Bulgaria, Mali)

September 23


Kyrgyz Language Day (Kyrgyzstan) Holocaust Memorial Day (Lithuania) Celebrate Bisexuality Day

National Day (Saudi Arabia)

Grito de Lares (Puerto Rico)

Teachers’ Day (Brunei)

Celebrate Bisexuality Day

September 24


Mahidol Day (Thailand)

Heritage Day (South Africa)

La Merce (Barcelona)

Armed Forces Day (Peru)

National Punctuation Day (US) Constitution Day (Cambodia) Independence Day (Guinea-Bissau) Republic Day (Trinidad and Tobago) New Caledonia Day (New Caledonia)

September 25


National Youth Day (Nauru)

German Butterbrot Day (Germany)

Day of National Recognition for the Harkis (France)

Revolution Day (Mozambique)

National Lobster Day (US)

September 26


European Day of Languages

World Contraception Day

National Dumpling Day (US)

Johnny Appleseed Day (US)

Day of the National Flag (Ecuador) Revolution Day (Yemen)

National Better Breakfast Day (US) Dominion Day (New Zealand)

National Good Neighbor Day (US) National Pancake Day (US)

September 27


French Community Holiday (French Community of Belgium)

National Chocolate Milk Day (US) Consumacion de la Independencia (Mexico)

National Gay Men’s HIV/AIDS Awareness Day (US)

National Corned Beef Hash Day (US) Meskel (Ethiopian and Eritrean Orthodox Church)

Polish Underground State’s Day (Poland)

September 28


International Right to Know Day

Family Day (US)

National Day of Awareness and Unity against Child Pornography (Philippines) Czech Statehood Day (Czech Republic) Freedom from Hunger Day

Teachers’ Day (Taiwan and Chinese-Filipino schools in the Philippines)

September 29


The victory of Boqueron Day (Paraguay) Feast of the Archangels Michael Gabriel, and Raphael

Coffee Day

National Biscotti Day (US)

Inventors’ Day (Argentina)

World Heart Day

September 30


Orange Shirt Day (Canada)

Boy’s Day (Poland)

National Hot Mulled Cider Day (US) Blasphemy Day (US, Canada) Independence Day (Botswana) Recovery Day (Canada)

Birth of Morelos (Mexico)

Agricultural Reform (Nationalization) Day (Sao Tome and Principe)

 Important days in October 2023: National and International Special Days

Important days in September 2023 FAQs

Question: On which day teacher’s day is celebrated in India?

Ans. It is celebrated on 5th September every year.

Question: Why is coffee day celebrated?

Ans. It is celebrated to promote coffee as a beverage and to raise awareness for the coffee growers.

Question: Why is world heart day observed?

Ans. It is observed to create awareness regarding heart diseases among people as it is the leading cause of death around the world. This day promotes the prevention and control of heart diseases.

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