What National Day Is It Today?
Today is Friday 18 September 2026. There are 9 awareness days, national days and international observances being celebrated today, including National HIV/ AIDS and Ageing Awareness Day 2026, International Equal Pay Day 2026 and National POW / MIA Recognition Day 2026. It is day 261 of 365, in week 38 of 2026, with 104 days remaining. This page updates automatically every day.
National days, world days and awareness days observed today:
- National HIV/ AIDS and Ageing Awareness Day 2026September Awareness Days And Weeks
- International Equal Pay Day 2026Business & Finance
- National POW / MIA Recognition Day 2026September Awareness Days And Weeks
- National Cartonnage DayArts & Culture
- National Ceiling Fan DayFun & Quirky
- World Water Monitoring DayEnvironment
- Chile – Independence DayGlobal & National
- National Cheeseburger DayFood & Nutrition
- National Day of Civic HackingScience & Technology
Last updated Friday 18 September 2026
Today's National & Awareness Days
Friday 18 September 2026 — 9 national, international and awareness days observed today
National HIV/ AIDS and Ageing Awareness Day 2026
September Awareness Days And Weeks
International Equal Pay Day 2026
Business & Finance
National POW / MIA Recognition Day 2026
September Awareness Days And WeeksNational Cartonnage Day
Arts & Culture
National Ceiling Fan Day
Fun & Quirky
World Water Monitoring Day
Environment
Chile – Independence Day
Global & National
National Cheeseburger Day
Food & Nutrition
National Day of Civic Hacking
Science & TechnologyComing Tomorrow
Saturday 19 September — 11 events
International Talk Like A Pirate Day 2026Australia→
National Cat DNA DayAnimals & Wildlife→
National Sew a Jelly Roll DayFun & Quirky→
Love and Friendship DayCommunity→Big Whopper Liar DayFun & Quirky→
International Eat An Apple DayFood & Nutrition→
International Red Panda DayAnimals & Wildlife→National Boys and Girls Club Day for KidsEducation & Youth→
Batman DayFun & Quirky→Gata FestivalArts & Culture→National AKC Responsible Dog Ownership DayAnimals & Wildlife→This Week
82 awareness days over the next 7 days
More in September 2026
Other awareness days happening this month
Key dates in the next 30 days
The big observances and retail moments coming up, with planning notes for each.
- Fairtrade Fortnight21 Sep
- Macmillan Coffee Morning25 Sep
- World Tourism Day27 Sep
- Breast Cancer Awareness Month1 Oct
- Black History Month1 Oct
- National Vegetarian Week1 Oct
- Stoptober1 Oct
- World Mental Health Day10 Oct
On This Day in History
Memorable events that happened on 18 September through history
1948The Australian cricket team's Invincibles tour of England concluded; they had played 34 matches, including five Tests, without defeat.→
1950Korean War: The Korean People's Army retreated from the Battle of the Pusan Perimeter after six weeks of fighting, marking the farthest that the KPA would advance in the war.→
1961An aircraft crashed near Ndola in Northern Rhodesia, resulting in the deaths of 16 people, including United Nations secretary-general Dag Hammarskjöld.→
1962Aeroflot Flight 213 crashed into a mountain near Chersky Airport, killing 32 people.→1964The wedding of King Constantine II of Greece and Princess Anne-Marie of Denmark took place in Athens.→1981While posing as an aristocrat, Belgian serial killer Nestor Pirotte murdered an antiques dealer in Brussels, for which crime he was sentenced to death.→Historical events via Wikipedia, under CC BY-SA.
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Frequently Asked Questions
What awareness days are today, 18 September 2026?
There are 9 awareness days on Friday 18 September 2026:
- National HIV/ AIDS and Ageing Awareness Day 2026
- International Equal Pay Day 2026
- National POW / MIA Recognition Day 2026
- National Cartonnage Day
- National Ceiling Fan Day
- World Water Monitoring Day
- Chile – Independence Day
- National Cheeseburger Day
- National Day of Civic Hacking
What national day is it today?
Today, Friday 18 September, there are 9 national and international awareness days being observed. This page is updated daily with all the awareness days, national days, and international observances happening right now.
What is today's national day?
Today's national days, Friday 18 September 2026, are:
What are we celebrating today?
Today, Friday 18 September 2026, we are celebrating 9 awareness days and observances, including National HIV/ AIDS and Ageing Awareness Day 2026, International Equal Pay Day 2026 and National POW / MIA Recognition Day 2026. See the full list at the top of this page.
What international day is it today?
Today is Friday, 18 September 2026. There are 9 international days, world days and awareness observances marked today, including National HIV/ AIDS and Ageing Awareness Day 2026, International Equal Pay Day 2026 and National POW / MIA Recognition Day 2026. This list of international days is updated automatically every day.
How many awareness days are there?
There are over 1,500 awareness days, weeks, and months observed throughout the year worldwide. Awareness Days maintains one of the most comprehensive calendars of these observances, updated regularly with new events.
What is today's date?
Today is Friday, 18 September 2026. It is day 261 of 365, in week 38 of the year. There are 104 days remaining in 2026.
What special day is it today?
Today, 18 September 2026, there are 9 special awareness days and observances:
What day is it tomorrow?
Tomorrow is Saturday 19 September 2026. There are 11 awareness days including International Talk Like A Pirate Day 2026, National Cat DNA Day, National Sew a Jelly Roll Day, Love and Friendship Day, Big Whopper Liar Day, and more. See the full list for tomorrow.
What week of the year is it?
It is currently week 38 of 2026. This is day 261 of 365, with 104 days remaining. Visit our week number page for more details.