First Day Of Fall 2024 Date And Time Usa Schedule. So when exactly does fall start? The national weather service reported that the fall season officially starts on the autumnal equinox, which in 2024 occurs on sept.
The first day of fall in 2024 arrives with the fall equinox on sunday, september 22, 2024, at 8:44 a.m. The first day of fall is sunday, september 22, 2024—the same day as the autumn equinox—in the northern hemisphere.