Mullumbimby Weather Forecast

    • 14
    • 23

    Partly cloudy

    • 13
    • 26

    Possible late shower

    • 17
    • 20

    Showers. Becoming windy

    • 14
    • 21

    Partly cloudy

    • 12
    • 23

    Partly cloudy

    • 12
    • 24

    Mostly sunny

    • 13
    • 26

    Mostly sunny

Today 26 Sep Northern Rivers

Partly cloudy. The chance of fog early this morning. Slight chance of a shower near the Queensland border this morning. Near zero chance of rain elsewhere. Light winds becoming northeasterly 15 to 25 km/h in the middle of the day then becoming light in the evening. Daytime maximum temperatures in the low to high 20s.

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  • Temperature Forecast Bureau of Meteorology

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Mullumbimby Temperature Statistics View More

September Temperature

Cape Byron (16km)

  • Lowest 17 September, 2026

    12 °C

  • Average September

    18.8 °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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