When Does Spring Start In Australia

Here’s a concise, useful guide to when spring starts in Australia, including key differences from the northern hemisphere and practical considerations.

In the Southern Hemisphere, where Australia is located, the vernal equinox – which marks the beginning of spring – usually falls on September 22 or September 23. However, the exact date of the start of spring can vary slightly from year to year due to the Earth's elliptical orbit around the Sun. when does spring start in australia

. This means each season begins on the first day of the calendar month and lasts for exactly three months: Spring: September 1 – November 30 Summer: December 1 – February 28/29 Autumn: March 1 – May 31 Winter: June 1 – August 31 Why the Different Date? The Bureau of Meteorology (BOM) uses this system because it aligns more closely with Australia’s actual temperature cycles. It also makes record-keeping much simpler; comparing monthly climate data is easier when the seasons don't shift by a day or two every year due to leap years or Earth's elliptical orbit. Astronomical Spring vs. Meteorological Spring Even though the calendar says September 1st, astronomers still track the Here’s a concise, useful guide to when spring