Yanchep Weather Forecast

    • 11
    • 19

    Cloudy

    • 11
    • 19

    Shower or two

    • 9
    • 22

    Sunny

    • 10
    • 25

    Sunny

    • 13
    • 27

    Sunny

    • 14
    • 27

    Sunny

    • 13
    • 27

    Sunny

Today 18 Sep Perth

Cloudy. Slight chance of a shower about the southern suburbs, most likely later this evening. Near zero chance of rain elsewhere. Winds south to southwesterly 15 to 20 km/h becoming light in the late evening.

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  • Temperature Forecast Bureau of Meteorology

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Yanchep Temperature Statistics View More

September Temperature

Gingin Airport (23km)

  • Lowest 1 September, 2025

    1.6 °C

  • Average September

    12.5 °C

  • Highest 12 September, 2025

    26.6 °C

Climate (2020–Present)

Gingin Airport (23km)

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  • Average Low 2020–2025

    11.5 °C

  • Average 2020–2025

    18.3 °C

  • Average High 2020–2025

    26.2 °C
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