When Is The Autumn Equinox 2024 Uk. When is the autumn equinox in 2024? In the northern hemisphere, the autumnal equinox happens on september 22, 2024, at 12:44 gmt (08:44 a.m.

Here’s everything you should know about the fall equinox—plus our. The autumn equinox falls on sunday, september 22 in 2024.