Austin Bay Weather Forecast

    • 10
    • 19

    Cloudy

    • 9
    • 21

    Partly cloudy

    • 10
    • 24

    Sunny

    • 12
    • 26

    Sunny

    • 14
    • 26

    Sunny

    • 13
    • 26

    Sunny

    • 12
    • 26

    Mostly sunny

Today 19 Sep Lower West

Cloudy. The chance of fog inland early this morning. Slight chance of a shower. Light winds becoming south to southwesterly 15 to 20 km/h in the early afternoon then becoming light in the evening. Daytime maximum temperatures around 20.

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Austin Bay Temperature Statistics View More

September Temperature

Mandurah (13km)

  • Lowest 8 September, 2025

    6.8 °C

  • Average September

    14.4 °C

  • Highest 12 September, 2025

    21.1 °C

Climate (2020–Present)

Mandurah (13km)

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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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