Sebastopol Weather Forecast

    • 13
    • 23

    Shower

    • 9
    • 16

    Shower

    • 7
    • 15

    Shower

    • 5
    • 21

    Partly cloudy

    • 8
    • 16

    Shower

    • 6
    • 15

    Shower

    • 7
    • 14

    Shower

Today 15 Sep Lower South East

Partly cloudy. High chance of showers in the afternoon and evening. The chance of a thunderstorm in the late afternoon and evening. Winds northerly 25 to 40 km/h turning northwesterly in the middle of the day then decreasing to 20 to 30 km/h in the late afternoon. Daytime maximum temperatures in the low to mid 20s.

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  • Temperature Forecast Bureau of Meteorology

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Sebastopol Temperature Statistics View More

September Temperature

Mount Gambier Airport (43km)

  • Lowest 5 September, 2025

    -0.2 °C

  • Average September

    10.9 °C

  • Highest 7 September, 2025

    21.5 °C

Climate (2020–Present)

Mount Gambier Airport (43km)

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  • Average Low 2020–2025

    8.8 °C

  • Average 2020–2025

    13.7 °C

  • Average High 2020–2025

    20 °C
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