Mortana Weather Forecast

    • 9
    • 18

    Shower

    • 6
    • 19

    Partly cloudy

    • 8
    • 26

    Sunny

    • 8
    • 19

    Shower

    • 10
    • 17

    Shower

    • 10
    • 18

    Shower

    • 9
    • 19

    Cloudy

Today 16 Sep West Coast

Partly cloudy. Medium chance of showers south of Streaky Bay, slight chance elsewhere. Winds westerly 25 to 35 km/h becoming light in the evening. Overnight temperatures falling to between 6 and 9 with daytime temperatures reaching around 19.

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Mortana Temperature Statistics View More

September Temperature

Streaky Bay (29km)

  • Lowest 1 September, 2025

    5.9 °C

  • Average September

    14.6 °C

  • Highest 14 September, 2025

    26.8 °C

Climate (2020–Present)

Streaky Bay (29km)

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  • Average Low 2020–2025

    12.1 °C

  • Average 2020–2025

    16.4 °C

  • Average High 2020–2025

    23.5 °C
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