Blanche Bay Weather Forecast

    • 11
    • 15

    Windy

    • 8
    • 18

    Shower

    • 11
    • 16

    Windy

    • 11
    • 16

    Shower

    • 10
    • 15

    Shower

    • 5
    • 16

    Shower

    • 8
    • 16

    Partly cloudy

Today 3 Sep Lower South East

Cloudy. High chance of showers, most likely in the early morning. Winds northwesterly 25 to 35 km/h tending westerly in the early morning then becoming light in the evening. Overnight temperatures falling to around 10 with daytime temperatures reaching around 16.

Lower South East Coastal Waters

Cape Jaffa to SA-Vic Border
Wind
Northwesterly 20 to 25 knots, reaching up to 30 knots during the morning and early afternoon. Winds turning westerly 15 to 25 knots before dawn.
Seas
2 to 3 metres, decreasing to 1 to 2 metres by early evening.
1st Swell
Westerly 4 to 5 metres, tending southwesterly 5 to 6 metres around midday.
Weather
Partly cloudy. 90% chance of showers.
Graph Plots Open in Graphs

  • Temperature Forecast Bureau of Meteorology

  • Temperature Real-Time

Blanche Bay Temperature Statistics View More

September Temperature

Mount Gambier Airport (35km)

  • Lowest 1 September, 2026

    6.9 °C

  • Average September

    11.1 °C

  • Highest 1 September, 2026

    18.3 °C

Climate (2021–2026)

Mount Gambier Airport (35km)

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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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