Avalon Weather Forecast
- 13
- 18
Mostly clear
- 12
- 20
Cloud clearing
- 14
- 22
Sunny
- 15
- 26
Partly cloudy
- 17
- 23
Possible shower developing
- 11
- 17
Partly cloudy
- 12
- 18
Mostly sunny
Today 11 Sep Sydney
Mostly clear. Patchy smoke haze in the evening. Light winds.
Avalon Temperature Statistics View More
September Temperature
Terrey Hills (11km)
Lowest 10 September, 2026
8.1 °CAverage September
16.4 °CHighest 5 September, 2026
30.8 °C
Climate (2021–2026)
Terrey Hills (11km)
Average Low 2021–2026
13.6 °CAverage 2021–2026
17.1 °CAverage High 2021–2026
22 °C