Spring Equinox 2025 Australia. Earth’s tilt is now bringing spring and summer to the northern hemisphere. The beginning of spring corresponds to the spring equinox, which usually falls september 21st or 22nd in the southern hemisphere.

This year’s southern hemisphere spring equinox will occur at 10:44pm aest on sunday, september 22. Find sydney march and september equinox, june and december solstice seasons time and date like winter solstice, summer solstice, spring equinox, fall equinox.