Brunswick River - Mangrove Island Weather Forecast

    • 16
    • 22

    Becoming windy. Mostly sunny

    • 17
    • 25

    Mostly sunny

    • 17
    • 23

    Partly cloudy

    • 17
    • 23

    Partly cloudy

    • 18
    • 24

    Showers

    • 16
    • 23

    Mostly sunny

    • 16
    • 22

    Possible shower

Today 16 Sep Northern Rivers

Sunny. Light winds becoming northerly 15 to 25 km/h in the morning then becoming light in the late evening. Overnight temperatures falling to between 10 and 13 with daytime temperatures reaching the mid to high 20s.

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Brunswick River - Mangrove Island Temperature Statistics View More

September Temperature

Cape Byron (15km)

  • Lowest 1 September, 2025

    12.3 °C

  • Average September

    17.9 °C

  • Highest 14 September, 2025

    23.7 °C

Climate (2020–Present)

Cape Byron (15km)

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  • Average Low 2020–2025

    17.3 °C

  • Average 2020–2025

    20.2 °C

  • Average High 2020–2025

    23.7 °C
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