Birchmont Weather Forecast
- 15
- 18
Showers. Windy
- 13
- 15
Shower or two
- 11
- 17
Shower or two
- 15
- 18
Showers
- 12
- 17
Shower or two
- 14
- 18
Cloudy
- 12
- 19
Cloudy
Today 14 Sep Lower West
Cloudy. Very high chance of showers, most likely during the morning and afternoon. The chance of a thunderstorm in the south during the morning and afternoon. Damaging winds possible. Winds northwesterly 35 to 50 km/h tending westerly 35 to 55 km/h in the middle of the day then decreasing to 30 to 45 km/h in the evening. Daytime maximum temperatures between 15 and 19.
Birchmont Temperature Statistics View More
September Temperature
Mandurah (21km)
Lowest 8 September, 2025
6.8 °CAverage September
14.4 °CHighest 12 September, 2025
21.1 °C
Climate (2020–Present)
Mandurah (21km)
Average Low 2020–2025
15.1 °CAverage 2020–2025
19.2 °CAverage High 2020–2025
23.8 °C