When Is The First Day Of Fall 2024 Usa Time. In 2024, the exact time of the start of fall is at. Autumn 2024 starts on sunday, september 22nd in the northern hemisphere, with daylight time shortening and the leaves begining to fall with the changing tilt of the.

The first day of fall this year, also known as the autumnal equinox is sunday, sept. In the northern hemisphere, the closest autumnal equinox will take place on september 22, 2024, at 12:44 gmt (08:44 a.m.