Autumn Equinox 2024 Australia. This celestial event heralds the transition from summer to autumn, bringing about cooler. Also, either of the two points in the.

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,. The autumnal equinox brings fall to the northern hemisphere today as the sun passes directly over the equator at noon.