Brunswick River - Mullumbimby Weather Forecast

    • 16
    • 23

    Shower or two

    • 16
    • 22

    Shower or two

    • 14
    • 23

    Partly cloudy

    • 13
    • 24

    Partly cloudy

    • 13
    • 25

    Shower or two

    • 15
    • 22

    Shower or two

    • 14
    • 22

    Possible shower

Today 23 Sep Northern Rivers

Cloudy. Medium chance of showers, becoming less likely this afternoon. The chance of a thunderstorm in the south during this afternoon and evening. Winds southeasterly 15 to 20 km/h tending easterly 15 to 25 km/h in the morning then becoming light in the evening. Daytime maximum temperatures in the low to mid 20s.

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Brunswick River - Mullumbimby Temperature Statistics View More

September Temperature

Cape Byron (16km)

  • Lowest 17 September, 2026

    12 °C

  • Average September

    18.6 °C

  • Highest 6 September, 2026

    26.9 °C

Climate (2021–2026)

Cape Byron (16km)

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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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