Sepulchre Island Weather Forecast

    • 7
    • 23

    Sunny

    • 14
    • 29

    Sunny

    • 13
    • 30

    Sunny

    • 16
    • 23

    Shower or two

    • 12
    • 19

    Cloudy

    • 12
    • 22

    Partly cloudy

    • 11
    • 24

    Partly cloudy

Today 18 Sep Illawarra

Sunny. Winds west to northwesterly and light increasing to 15 to 25 km/h in the morning then becoming westerly 25 to 35 km/h in the early afternoon. Overnight temperatures falling to between 4 and 7 with daytime temperatures reaching the low to mid 20s.

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  • Temperature Forecast Bureau of Meteorology

  • Temperature Real-Time

Sepulchre Island Temperature Statistics View More

September Temperature

Nowra (RAN Air Station) (18km)

  • Lowest 17 September, 2026

    4.9 °C

  • Average September

    15 °C

  • Highest 5 September, 2026

    30.4 °C

Climate (2021–2026)

Nowra (RAN Air Station) (18km)

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  • Average Low 2021–2026

    12.1 °C

  • Average 2021–2026

    16.6 °C

  • Average High 2021–2026

    22.6 °C
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