5.30pm (AEST) – Men’s Soccer -Australia Cup Quarter Final – Brisbane Roar v Western Sydney Wanderers – Brisbane

7.40pm (AEST) – AFL Semi Final – Port Adelaide v GWS – Adelaide

Independence Days for Mexico and Papua New Guinea

World Cleanup Day

International Day for the Preservation of the Ozone Layer

Start of Police Week (until 29 September)

Start of Jewish New Year

Start of Oktoberfest – Munich

Birthdays for Amy Poehler (1971) and Nick Jonas (1992)

Anniversary of:
• the birthdays of Lauren Bacall (1924) and BB King (1925)
• the sparking of widespread protests in Iran following the death of Mahsa Amini (2022)