When Is The First Day Of Fall 2024 Usa In India. The first day of fall this year, also known as the autumnal equinox is sunday, sept. The first day of fall is sunday, september 22, 2024—the same day as the autumn equinox—in the northern hemisphere.
That’s the day of the autumnal equinox when day and night are nearly equal in length. Noaa’s climate prediction center says much of the.