September 2026 Holidays & Observances
41 holidays and observances fall in September 2026. Floating holidays show their actual weekday.
September 2026
All September observances
- Sep 1 Tuesday World Letter Writing Day
- Sep 2 Wednesday Vietnam National Day World Coconut Day
- Sep 4 Friday National Wildlife Day
- Sep 5 Saturday International Day of Charity
- Sep 7 Monday Brazil Independence Day Labor Day (US)
- Sep 8 Tuesday International Literacy Day World Physiotherapy Day
- Sep 10 Thursday World Suicide Prevention Day
- Sep 11 Friday Patriot Day Rosh Hashanah World First Aid Day
- Sep 12 Saturday National Video Games Day
- Sep 13 Sunday National Grandparents Day Programmer's Day
- Sep 15 Tuesday International Day of Democracy
- Sep 16 Wednesday International Day for the Preservation of the Ozone Layer Mexican Independence Day National Guacamole Day
- Sep 17 Thursday Constitution Day
- Sep 18 Friday National Cheeseburger Day
- Sep 19 Saturday International Red Panda Day Talk Like a Pirate Day
- Sep 21 Monday International Day of Peace Malta Independence Day World Alzheimer's Day Yom Kippur
- Sep 22 Tuesday World Rhino Day
- Sep 23 Wednesday Autumn Equinox International Day of Sign Languages Saudi National Day
- Sep 24 Thursday South Africa Heritage Day World Gorilla Day
- Sep 25 Friday Mid-Autumn Festival
- Sep 26 Saturday National Dumpling Day World Rabbit Day
- Sep 27 Sunday World Tourism Day
- Sep 28 Monday International Bluetooth Day
- Sep 29 Tuesday National Coffee Day
- Sep 30 Wednesday National Podcast Day