Days Until Fall
Astronomical fall (autumn) in the Northern Hemisphere begins at the September equinox, on September 22 or 23 in most years.
Fall
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About the date
At the equinox the Sun crosses the celestial equator heading south. From then until the March equinox, nights are longer than days in the Northern Hemisphere. This countdown runs to that instant, shown in your time zone.
Meteorological fall is September, October and November, starting September 1. In the Southern Hemisphere the September equinox starts spring.
The time is calculated on this page from a standard astronomical formula and is accurate to about a minute.
Upcoming dates
| Year | Date | Day | Time (UTC) |
|---|---|---|---|
| 2026 | September 23 | Wednesday | 00:05 |
| 2027 | September 23 | Thursday | 06:01 |
| 2028 | September 22 | Friday | 11:45 |
| 2029 | September 22 | Saturday | 17:38 |
| 2030 | September 22 | Sunday | 23:27 |
| 2031 | September 23 | Tuesday | 05:15 |
Questions people ask
Is fall the same as autumn?
Yes. “Fall” is the usual word in American English and “autumn” in British English; they are the same season.
When does meteorological fall start?
September 1 in the Northern Hemisphere.