Riddoch Bay Weather Forecast

    • 8
    • 14

    Cloudy

    • 6
    • 15

    Cloudy

    • 5
    • 21

    Sunny

    • 11
    • 23

    Sunny

    • 13
    • 20

    Shower or two

    • 11
    • 15

    Cloudy

    • 6
    • 16

    Partly cloudy

Today 16 Sep Mount Gambier

Cloudy. Light winds becoming southerly 15 to 20 km/h in the morning then becoming light in the late afternoon.

Lower South East Coastal Waters

Cape Jaffa to SA-Vic Border
Wind
Southerly 15 to 20 knots becoming variable about 10 knots in the late evening.
Seas
1 to 1.5 metres, decreasing below 1 metre around midday.
1st Swell
Southwesterly 4 to 5 metres.
Weather
Cloudy.
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  • Temperature Forecast Bureau of Meteorology

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Riddoch Bay Temperature Statistics View More

September Temperature

Mount Gambier Airport (33km)

  • 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 (33km)

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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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