Main Beach (Byron Bay) Weather Forecast

    • 19
    • 29

    Partly cloudy

    • 15
    • 21

    Partly cloudy

    • 15
    • 20

    Showers easing

    • 14
    • 21

    Showers increasing

    • 15
    • 20

    Showers easing. Windy

    • 14
    • 20

    Showers

    • 14
    • 21

    Shower or two

Today 6 Sep Northern Rivers

Sunny. The chance of smoke haze inland in the morning. Winds northwest to southwesterly 15 to 25 km/h tending southeasterly 20 to 30 km/h in the early afternoon then tending southeast to southwesterly 15 to 20 km/h in the evening. Overnight temperatures falling to between 15 and 18 with daytime temperatures reaching the low to mid 30s.

Byron Coastal Waters

Point Danger to Wooli
Wind
North to northwesterly 15 to 20 knots shifting south to southeasterly in the late morning. Winds reaching up to 25 knots south of Yamba during the afternoon and evening.
Seas
1 to 2 metres, decreasing to 1 to 1.5 metres during the morning, then increasing to 1.5 to 2 metres by early evening.
1st Swell
Southerly around 1 metre inshore, increasing to 1 to 2 metres offshore south of Cape Byron by early evening.
Weather
Sunny.
Graph Plots Open in Graphs

  • Temperature Forecast Bureau of Meteorology

  • Temperature Real-Time

Main Beach (Byron Bay) Temperature Statistics View More

September Temperature

Cape Byron (1km)

  • Lowest 1 September, 2026

    14.2 °C

  • Average September

    19.2 °C

  • Highest 3 September, 2026

    23.4 °C

Climate (2021–2026)

Cape Byron (1km)

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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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