O B Flat Weather Forecast

    • 9
    • 15

    Shower or two clearing

    • 5
    • 16

    Partly cloudy

    • 4
    • 20

    Partly cloudy

    • 13
    • 28

    Partly cloudy

    • 14
    • 20

    Showers

    • 10
    • 22

    Showers

    • 10
    • 15

    Shower or two

Today 26 Sep Mount Gambier

Cloudy. Medium chance of showers in the late morning and afternoon. Winds southerly 20 to 25 km/h tending southeasterly 20 to 30 km/h in the middle of the day then becoming light in the evening.

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  • Temperature Forecast Bureau of Meteorology

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O B Flat Temperature Statistics View More

September Temperature

Mount Gambier Airport (14km)

  • Lowest 22 September, 2026

    -0.3 °C

  • Average September

    11.8 °C

  • Highest 19 September, 2026

    25.8 °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

    20.1 °C
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