When Is First Day of Fall (Autumnal Equinox)?
September 23
2026 (Wednesday)
The next First Day of Fall (Autumnal Equinox) is on Wednesday, September 23, 2026 — 183 days from today.
Countdown to First Day of Fall (Autumnal Equinox)
About First Day of Fall (Autumnal Equinox)
The autumnal equinox marks the start of fall. Day and night are again approximately equal. Temperatures begin to cool and leaves change color. Typically September 22 or 23.
- Country: Northern Hemisphere
- Federal holiday: No
- Next occurrence: Wednesday, September 23, 2026
- Days until next: 183
First Day of Fall (Autumnal Equinox) Dates (2024 – 2034)
| Year | Date | Day | Status |
|---|---|---|---|
| 2024 | September 22 | Sunday | 546 days ago |
| 2025 | September 22 | Monday | 181 days ago |
| 2026 | September 23 | Wednesday | in 183 days |
| 2027 | September 23 | Thursday | in 549 days |
| 2028 | September 22 | Friday | in 914 days |
| 2029 | September 22 | Saturday | in 1279 days |
| 2030 | September 22 | Sunday | in 1644 days |
| 2031 | September 23 | Tuesday | in 2009 days |
| 2032 | September 22 | Wednesday | in 2375 days |
| 2033 | September 22 | Thursday | in 2740 days |
| 2034 | September 22 | Friday | in 3105 days |
Countdown to First Day of Fall (Autumnal Equinox) · All Holidays
Share This
Frequently Asked Questions
When is First Day of Fall (Autumnal Equinox) 2026?
Wednesday, September 23, 2026.
How many days until First Day of Fall (Autumnal Equinox)?
183 days.
Is First Day of Fall (Autumnal Equinox) a federal holiday?
No, but it is widely observed.
Related Calculators
- Days Until Calculator — Countdown to any date.
- Days Ago Calculator — How many days since any date.
- What Day of the Week — What day was any date?
- Age Calculator — Calculate your exact age.
- Leap Year Calculator — Is any year a leap year?