Robert Bay Weather Forecast

    • 16
    • 22

    Showers

    • 15
    • 19

    Showers easing. Windy

    • 15
    • 20

    Shower or two

    • 13
    • 20

    Sunny

    • 13
    • 20

    Partly cloudy

    • 12
    • 20

    Mostly sunny

    • 13
    • 19

    Shower or two

Today 18 Sep Mandurah

Cloudy. Very high chance of showers. Winds northwesterly 25 to 35 km/h increasing to 30 to 40 km/h in the late evening.

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Robert Bay Temperature Statistics View More

September Temperature

Mandurah (13km)

  • Lowest 1 September, 2026

    10.4 °C

  • Average September

    16.9 °C

  • Highest 16 September, 2026

    26.9 °C

Climate (2021–2026)

Mandurah (13km)

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  • Average Low 2021–2026

    15.1 °C

  • Average 2021–2026

    19.1 °C

  • Average High 2021–2026

    23.8 °C
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