Brunswick Weather Forecast

    • 9
    • 18

    Showers

    • 7
    • 17

    Shower or two

    • 7
    • 19

    Partly cloudy

    • 7
    • 22

    Mostly sunny

    • 8
    • 25

    Mostly sunny

    • 9
    • 27

    Sunny

    • 12
    • 28

    Sunny

Today 17 Sep South West

Cloudy. Very high chance of showers, most likely in the morning and early afternoon. The chance of a thunderstorm in the east. Winds northwesterly 20 to 30 km/h turning westerly in the early morning. Overnight temperatures falling to between 7 and 11 with daytime temperatures reaching around 17.

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Brunswick Temperature Statistics View More

September Temperature

Bunbury (21km)

  • Lowest 8 September, 2025

    2 °C

  • Average September

    12.3 °C

  • Highest 12 September, 2025

    21.8 °C

Climate (2020–Present)

Bunbury (21km)

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  • Average Low 2020–2025

    11.8 °C

  • Average 2020–2025

    17.5 °C

  • Average High 2020–2025

    23.7 °C
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