When Is The Spring Equinox In Australia

When Is The Spring Equinox In Australia. In the northern hemisphere, the september equinox is known as the autumnal or fall equinox. In the southern hemisphere like australia, september equinox is known as the spring or vernal equinox.

That’s because we follow the meteorological seasonal system, which means the seasons change on the first of september, march, june and december. It is also the point in the calendar where the day length is more or less equal to the length of the night.