Fall Equinox 2024 Day. Visit the royal observatory the autumnal equinox occurs in september each. The autumnal equinox brings fall to the northern hemisphere today as the sun passes directly over the equator at noon.

In 2024, the fall equinox will be sunday, september 22, according to almanac.com. The first day of fall in 2024 arrives with the fall equinox on sunday, september 22, 2024, at 8:44 a.m.