Boilup Weather Forecast

    • 5
    • 15

    Cloudy

    • 6
    • 17

    Shower

    • 5
    • 19

    Cloudy

    • 6
    • 20

    Cloudy

    • 6
    • 22

    Partly cloudy

    • 8
    • 25

    Sunny

    • 9
    • 28

    Sunny

Today 18 Sep Great Southern

Partly cloudy. The chance of morning fog. Slight chance of a shower. Light winds becoming westerly 20 to 30 km/h in the morning then becoming light in the evening. Overnight temperatures falling to around 5 with daytime temperatures reaching between 15 and 18.

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  • Temperature Forecast Bureau of Meteorology

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Boilup Temperature Statistics View More

September Temperature

Katanning Research Station (53km)

  • Lowest 8 September, 2025

    1.8 °C

  • Average September

    10.1 °C

  • Highest 12 September, 2025

    20.7 °C

Climate (2020–Present)

Katanning Research Station (53km)

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  • Average Low 2020–2025

    9.7 °C

  • Average 2020–2025

    15.4 °C

  • Average High 2020–2025

    22.6 °C
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