When Is The Autumn Equinox 2024 Uk. This year, in 2023, the autumn equinox occurs on saturday, september 23. Take this as your official cue to embrace all things autumnal.

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,. This year, in 2023, the autumn equinox occurs on saturday, september 23.