Mortana Weather Forecast

    • 6
    • 22

    Clear

    • 11
    • 27

    Partly cloudy

    • 16
    • 23

    Shower

    • 10
    • 17

    Partly cloudy

    • 6
    • 20

    Partly cloudy

    • 9
    • 26

    Shower

    • 9
    • 18

    Shower

Today 13 Sep West Coast

Sunny. Patchy morning fog south of Streaky Bay. Winds northeasterly 15 to 25 km/h tending northerly 25 to 35 km/h in the morning then decreasing to 15 to 25 km/h in the evening. Daytime maximum temperatures 22 to 27.

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Mortana Temperature Statistics View More

September Temperature

Streaky Bay (29km)

  • Lowest 1 September, 2025

    5.9 °C

  • Average September

    14 °C

  • Highest 6 September, 2025

    26.1 °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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