When Is The First Day Of Autumn 2024 Usa. Fall begins with the autumnal equinox, sunday, september 22, 2024, 8:44 a.m. Here's everything you should know about the fall equinox—plus our.
The autumnal equinox, or the first day of fall in the northern hemisphere takes place every year on september 22nd or september 23rd. What is the fall equinox?