Mullumbimby Weather Forecast

    • 13
    • 22

    Showers

    • 13
    • 22

    Partly cloudy

    • 12
    • 23

    Mostly sunny

    • 13
    • 27

    Sunny

    • 15
    • 21

    Showers. Windy

    • 12
    • 20

    Showers. Windy

    • 12
    • 22

    Possible shower

Today 12 Sep Northern Rivers

Partly cloudy. High chance of showers, becoming less likely late this afternoon and evening. The chance of a thunderstorm inland during this afternoon and evening. Light winds becoming southeasterly 15 to 20 km/h in the middle of the day then becoming light in the evening. Daytime maximum temperatures in the low 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 11 September, 2026

    12.5 °C
  • Average September

    18.4 °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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