Brunswick River - Mangrove Island Weather Forecast

    • 13
    • 19

    Showers. Windy

    • 13
    • 21

    Possible shower

    • 13
    • 25

    Sunny

    • 13
    • 25

    Sunny

    • 14
    • 27

    Sunny

    • 16
    • 23

    Possible shower

    • 17
    • 22

    Shower or two

Today 17 Sep Northern Rivers

Partly cloudy. Medium chance of showers along the coastal fringe, slight chance elsewhere. Winds south to southwesterly 25 to 35 km/h tending south to southeasterly in the early afternoon then becoming light in the evening. Overnight temperatures falling to between 8 and 12 with daytime temperatures reaching between 19 and 22.

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  • Temperature Forecast Bureau of Meteorology

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Brunswick River - Mangrove Island Temperature Statistics View More

September Temperature

Cape Byron (15km)

  • Lowest 11 September, 2026

    12.5 °C

  • Average September

    18.5 °C

  • Highest 6 September, 2026

    26.9 °C

Climate (2021–2026)

Cape Byron (15km)

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  • Average Low 2021–2026

    17.4 °C

  • Average 2021–2026

    20.2 °C

  • Average High 2021–2026

    23.8 °C
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