The autumnal equinox — the official start of fall in the Northern Hemisphere — will occur on Monday, September 22, 2025, at precisely 2:19 p.m. EDT, according to The Old Farmer’s Almanac. This ...

A NASA and NOAA weather satellite captured this image of an autumnal equinox in 2019. Are you ready for fall? The official arrival of fall is the autumnal equinox, which occurs in the Northern ...

It's fall, ya'll! Sweater weather is upon us. The beginning of the autumn season marks the end of warm summer days and the start of longer chilly nights. As the Earth travels around the sun, it does ...

Are you ready for fall? The official arrival of fall is the autumnal equinox, which occurs in the Northern Hemisphere on Monday. After a hot summer, the September equinox marks a welcome shift in the ...