Illawong Weather Forecast
- 18
- 25
Sunny
- 14
- 22
Sunny
- 16
- 29
Windy. Mostly sunny
- 15
- 21
Sunny
- 13
- 20
Shower or two
- 14
- 18
Partly cloudy
- 13
- 18
Possible shower
Today 3 Sep Sydney
Sunny. Winds westerly 25 to 35 km/h decreasing to 15 to 20 km/h in the late afternoon.
Illawong Temperature Statistics View More
September Temperature
Bankstown Airport (10km)
Lowest 1 September, 2026
6.8 °CAverage September
17.6 °CHighest 1 September, 2026
26.5 °C
Climate (2021–2026)
Bankstown Airport (10km)
Average Low 2021–2026
12.9 °CAverage 2021–2026
17.9 °CAverage High 2021–2026
24.1 °C