Mount Saint Thomas Weather Forecast

    • 8
    • 23

    Sunny

    • 17
    • 28

    Sunny

    • 16
    • 30

    Sunny

    • 18
    • 24

    Shower or two

    • 14
    • 17

    Possible shower

    • 14
    • 21

    Possible shower

    • 14
    • 23

    Mostly sunny

Today 18 Sep Wollongong

Sunny. Light winds becoming east to northeasterly 15 to 25 km/h in the middle of the day then shifting west to northwesterly in the late afternoon.

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Mount Saint Thomas Temperature Statistics View More

September Temperature

Bellambi (9km)

  • Lowest 16 September, 2026

    9.2 °C

  • Average September

    16.7 °C

  • Highest 5 September, 2026

    30.7 °C

Climate (2021–2026)

Bellambi (9km)

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  • Average Low 2021–2026

    15.1 °C

  • Average 2021–2026

    18 °C

  • Average High 2021–2026

    21.8 °C
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