September Equinox 2024 Australian Calendar. 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 calendar for the whole year, the calendar for september, lunar calendar, printable calendar.

Practical calendar september 2024 with relevant dates for australia like stat holidays, school vacations etc. September’s arrival signals the beginning of spring in australia.