Merilup Weather Forecast

    • 5
    • 16

    Cloudy

    • 6
    • 18

    Cloudy

    • 6
    • 20

    Cloudy

    • 7
    • 21

    Cloudy

    • 6
    • 23

    Partly cloudy

    • 8
    • 26

    Sunny

    • 10
    • 29

    Sunny

Today 18 Sep Great Southern

Partly cloudy. The chance of fog early this morning, mainly in the northwest. Slight chance of a shower in the west in the morning and early afternoon. Near zero chance of rain elsewhere. Winds westerly 20 to 30 km/h becoming light in the evening. Daytime maximum temperatures between 15 and 18.

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Merilup Temperature Statistics View More

September Temperature

Lake Grace (34km)

  • Lowest 1 September, 2025

    1.2 °C

  • Average September

    11 °C

  • Highest 12 September, 2025

    23.5 °C

Climate (2020–Present)

Lake Grace (34km)

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  • Average Low 2020–2025

    10.4 °C

  • Average 2020–2025

    16.4 °C

  • Average High 2020–2025

    23.8 °C
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