Dismal Swamp Weather Forecast

    • 9
    • 15

    Showers

    • 7
    • 15

    Shower or two

    • 5
    • 20

    Partly cloudy

    • 7
    • 17

    Showers increasing

    • 6
    • 14

    Showers

    • 8
    • 15

    Shower or two

    • 7
    • 15

    Shower or two

Today 16 Sep Mount Gambier

Partly cloudy. High chance of showers, most likely in the morning and afternoon. The chance of a thunderstorm in the morning and afternoon. Winds northwesterly 25 to 35 km/h tending westerly 25 to 40 km/h in the middle of the day then decreasing to 20 to 25 km/h in the evening.

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  • Temperature Forecast Bureau of Meteorology

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Dismal Swamp Temperature Statistics View More

September Temperature

Mount Gambier Airport (7km)

  • Lowest 5 September, 2025

    -0.2 °C

  • Average September

    11.5 °C

  • Highest 14 September, 2025

    21.9 °C

Climate (2020–Present)

Mount Gambier Airport (7km)

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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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