Spring Equinox 2024 Australia. The spring equinox, also known as the vernal equinox, holds cultural, astronomical, and astrological significance. The beginning of spring corresponds to the spring equinox, which usually falls september 21st or 22nd in the southern hemisphere.

Saturday saw the sun positioned directly over the equator, marking the spring equinox for the southern hemisphere. Here’s why spring starts when it does and what we can expect from the warmer months.