Birchmont Weather Forecast

    • 17
    • 20

    Showers

    • 15
    • 18

    Showers. Windy

    • 13
    • 15

    Shower or two

    • 12
    • 17

    Shower or two

    • 15
    • 18

    Showers

    • 13
    • 17

    Shower or two

    • 13
    • 18

    Partly cloudy

Today 13 Sep Lower West

Cloudy. Very high chance of showers. Winds northerly 15 to 20 km/h turning northwesterly 15 to 25 km/h in the morning then increasing to 25 to 35 km/h in the middle of the day. Daytime maximum temperatures in the low 20s.

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Birchmont Temperature Statistics View More

September Temperature

Mandurah (21km)

  • Lowest 8 September, 2025

    6.8 °C

  • Average September

    14 °C

  • Highest 3 September, 2025

    20.1 °C

Climate (2020–Present)

Mandurah (21km)

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  • Average Low 2020–2025

    15.1 °C

  • Average 2020–2025

    19.2 °C

  • Average High 2020–2025

    23.8 °C
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