Autumn Equinox 2024 Dates Usa. 22, will depend on where you live: Our long, hot summer finally comes to an end on sunday at 8:48 a.m.

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,. 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,.