O B Flat Weather Forecast

    • 11
    • 23

    Shower or two. Windy

    • 8
    • 14

    Partly cloudy

    • -1
    • 17

    Morning frost. Sunny

    • 3
    • 21

    Sunny

    • 11
    • 22

    Cloudy

    • 12
    • 22

    Possible shower

    • 11
    • 19

    Possible shower

Today 20 Sep Mount Gambier

Mostly sunny morning. High chance of showers, most likely in the late afternoon and evening. Winds north to northwesterly 30 to 45 km/h tending west to northwesterly 35 to 50 km/h in the morning then tending west to southwesterly 25 to 35 km/h in the late afternoon.

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O B Flat Temperature Statistics View More

September Temperature

Mount Gambier Airport (14km)

  • Lowest 8 September, 2026

    0.3 °C

  • Average September

    11.5 °C

  • Highest 18 September, 2026

    22.2 °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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