When Is The Fall Equinox 2024. For autumnal equinoxes for the next 12 years scroll down the page. After a scorching summer for many areas, cooler temperatures are always a welcome relief.
Autumn equinox 2024 (beginning of astronomical autumn) on the day of the autumn (september) equinox, the sun, moving along the ecliptic, crosses the celestial equator, moving from the northern hemisphere to the southern. The march equinox marks the beginning of spring in the northern hemisphere and the first day of fall in the southern hemisphere.