What Day Is The Fall Equinox 2024 Date. America the exact moment of the autumnal equinox in 2024. The first day of fall is sunday, september 22, 2024—the same day as the autumn equinox—in the northern hemisphere.

 — in 2024, the autumnal equinox will happen on sunday, sept. According to the national weather service, the fall equinox in 2024 will happen at 8:44 a.m.