Myamyn Weather Forecast

    • 6
    • 15

    Possible shower

    • 5
    • 20

    Partly cloudy

    • 7
    • 17

    Showers increasing

    • 5
    • 13

    Showers increasing

    • 8
    • 15

    Shower or two

    • 6
    • 15

    Shower or two

    • 6
    • 16

    Shower or two

Today 17 Sep South West

Cloudy. High chance of showers near the Otways, medium chance elsewhere. Winds northwesterly 20 to 30 km/h tending westerly 25 to 40 km/h before dawn then becoming light in the evening. Overnight temperatures falling to around 6 with daytime temperatures reaching around 14.

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Myamyn Temperature Statistics View More

September Temperature

Portland Airport (40km)

  • Lowest 5 September, 2025

    2.2 °C

  • Average September

    12 °C

  • Highest 15 September, 2025

    24.1 °C

Climate (2020–Present)

Portland Airport (40km)

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  • Average Low 2020–2025

    9.7 °C

  • Average 2020–2025

    13.5 °C

  • Average High 2020–2025

    18.1 °C
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