What Time Is The Autumn Equinox 2024. In the southern hemisphere , the autumnal equinox takes place. When is the 2024 fall equinox?

The 2024 fall equinox—also called the autumn equinox—takes place on sunday, september 22, 2024. While meteorologists like to call fall at the beginning of september, astronomical autumn starts later, on the autumnal equinox.