O B Flat Weather Forecast

    • 10
    • 17

    Showers increasing

    • 8
    • 14

    Partly cloudy

    • 7
    • 13

    Cloudy

    • 4
    • 16

    Cloudy

    • 5
    • 21

    Sunny

    • 10
    • 24

    Mostly sunny

    • 12
    • 17

    Shower or two

Today 14 Sep Mount Gambier

Cloudy. Very high chance of showers, most likely in the evening. Light winds becoming west to northwesterly 15 to 25 km/h in the morning then becoming light in the evening.

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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 12 September, 2026

    21.8 °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 °C
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