Autumnal Equinox 2024 Uk. 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. The autumnal equinox, or the first day of fall in the northern hemisphere takes place every year on september 22nd or september 23rd.
As the days grow shorter and the air becomes crisper, we approach the autumn equinox, also known as mabon or alban elfed in the druidic tradition. The autumnal equinox brings fall to the northern hemisphere today as the sun passes directly over the equator at noon.