When Is The Autumn Equinox 2024 Usa. 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. Find out when foliage foliage starts, how long fall foliage lasts, and.

The fall equinox will occur at exactly 8:44 a.m. Edt, the center of the sun will line up perfectly with the earth’s equator.