Riddoch Bay Weather Forecast

    • 7
    • 22

    Partly cloudy

    • 11
    • 21

    Showers

    • 12
    • 17

    Showers increasing

    • 9
    • 14

    Partly cloudy

    • 8
    • 14

    Cloudy

    • 6
    • 15

    Cloudy

    • 6
    • 21

    Sunny

Today 12 Sep Mount Gambier

Partly cloudy. Light winds.

Lower South East Coastal Waters

Cape Jaffa to SA-Vic Border
Wind
North to northeasterly 10 to 15 knots.
Seas
Below 1 metre.
1st Swell
Southwesterly 2.5 metres.
Weather
Partly cloudy.
Weather Situation
A trough is approaching from the west and will move across SA on Sunday, as an upper level disturbance moves over the far west later on Sunday. A high pressure ridge will also extend into the state from a high located southwest of WA from late Sunday. A cold front will then slip across southern coasts late Monday and early Tuesday, before the high moves across waters to the south to be centred over Victoria by Thursday.
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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 °C
  • Highest 11 September, 2026

    19.4 °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 °C
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