O B Flat Weather Forecast

    • 11
    • 15

    Showers. Windy

    • 8
    • 16

    Shower or two

    • 7
    • 15

    Possible morning shower

    • 2
    • 15

    Cloudy

    • 8
    • 14

    Partly cloudy

    • 3
    • 17

    Cloud clearing

    • 3
    • 19

    Sunny

Today 5 Sep Mount Gambier

Cloudy. Very high chance of showers, most likely in the morning and afternoon. The chance of a thunderstorm in the morning, possibly severe. Damaging winds possible. Winds north to northwesterly 20 to 30 km/h tending west to northwesterly 30 to 40 km/h in the early morning then tending west to southwesterly 25 to 40 km/h in the middle of the day.

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  • Temperature Forecast Bureau of Meteorology

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September Temperature

Mount Gambier Airport (14km)

  • Lowest 1 September, 2026

    6.9 °C

  • Average September

    11.5 °C

  • Highest 1 September, 2026

    18.3 °C

Climate (2021–2026)

Mount Gambier Airport (14km)

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  • Average Low 2021–2026

    8.9 °C

  • Average 2021–2026

    13.7 °C

  • Average High 2021–2026

    20 °C
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