Autumn Equinox 2026
Wednesday, September 23, 2026
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When is Autumn Equinox 2026?
Autumn Equinox 2026 is on Wednesday, September 23, 2026. It falls on a Wednesday.
How many days until Autumn Equinox 2026?
There are 58 days until Autumn Equinox 2026, which falls on Wednesday, September 23, 2026. Thatโs 58 days ยท about 8 weeks ยท about 2 months.
- Date
- Wednesday, September 23, 2026
- Day of week
- Wednesday
- Type
- World Events
- Duration
- 1 day
The autumn equinox, around September 22-23, is the moment the sun crosses the celestial equator heading south, bringing nearly equal day and night worldwide and opening astronomical autumn in the northern hemisphere.
For the full story โ history, meaning, traditions, foods and FAQs โ see the Autumn Equinox guide.