Sebastopol Weather Forecast

    • 12
    • 21

    Shower

    • 10
    • 18

    Shower

    • 8
    • 17

    Shower

    • 6
    • 17

    Partly cloudy

    • 5
    • 17

    Cloudy

    • 5
    • 18

    Shower

    • 8
    • 15

    Shower

Today 30 Sep Lower South East

Cloudy. Very high chance of showers. The chance of a thunderstorm late this afternoon and evening. Light winds becoming northwesterly 15 to 20 km/h in the middle of the day then becoming light in the late afternoon. Daytime maximum temperatures in the low 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 22 September, 2026

    -0.3 °C

  • Average September

    11.9 °C

  • Highest 19 September, 2026

    25.8 °C

Climate (2021–2026)

Mount Gambier Airport (43km)

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  • Average Low 2021–2026

    8.9 °C

  • Average 2021–2026

    13.7 °C

  • Average High 2021–2026

    20.1 °C
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