Brunswick River - Mangrove Island Weather Forecast

    • 16
    • 20

    Shower or two. Windy

    • 13
    • 19

    Showers. Windy

    • 13
    • 21

    Shower or two

    • 12
    • 25

    Sunny

    • 13
    • 25

    Sunny

    • 14
    • 27

    Sunny

    • 16
    • 23

    Mostly sunny

Today 16 Sep Northern Rivers

Partly cloudy. Slight chance of a shower in the north in the morning. Near zero chance of rain elsewhere. Winds southerly 30 to 45 km/h. Overnight temperatures falling to between 12 and 15 with daytime temperatures reaching the low to mid 20s.

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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

    18.4 °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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