Sun Island Weather Forecast

    • 19
    • 21

    Sunny

    • 20
    • 21

    Shower

    • 19
    • 21

    Partly cloudy

    • 19
    • 22

    Sunny

    • 19
    • 21

    Sunny

    • 20
    • 21

    Partly cloudy

    • 20
    • 22

    Partly cloudy

Today 16 Sep Capricornia

The chance of fog in the early morning. Sunny day. Light winds becoming southeast to southwesterly 15 to 25 km/h in the middle of the day then tending east to southeasterly 15 to 20 km/h in the evening. Overnight temperatures falling to between 8 and 13 with daytime temperatures reaching the low 30s.

Capricornia Coastal Waters

St Lawrence to Burnett Heads
Wind
Variable about 10 knots becoming north to northeasterly 10 to 15 knots in the middle of the day then tending northeast to southeasterly in the late afternoon. Winds reaching up to 25 knots south of Cape Capricorn in the evening.
Seas
Below 1 metre, increasing to 1 to 2 metres south of Cape Capricorn by early evening.
1st Swell
Easterly below 1 metre inshore, increasing to around 1 metre offshore.
Weather
Sunny.
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  • Temperature Forecast Bureau of Meteorology

  • Temperature Real-Time

Sun Island Temperature Statistics View More

September Temperature

Williamson Airfield (18km)

  • Lowest 3 September, 2026

    8.6 °C

  • Average September

    19.5 °C

  • Highest 7 September, 2026

    30.4 °C

Climate (2021–2026)

Williamson Airfield (18km)

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  • Average Low 2021–2026

    17.5 °C

  • Average 2021–2026

    22.7 °C

  • Average High 2021–2026

    28.8 °C
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