St Helens Weather Forecast

    • 9
    • 16

    Showers

    • 7
    • 15

    Shower or two

    • 6
    • 20

    Mostly sunny

    • 8
    • 17

    Showers increasing

    • 6
    • 14

    Showers

    • 7
    • 15

    Showers

    • 7
    • 15

    Shower or two

Today 16 Sep South West

Cloudy. Very high chance of showers, becoming less likely late this afternoon and evening. The chance of a thunderstorm during the morning and afternoon. Winds northwesterly 25 to 40 km/h. Daytime maximum temperatures around 15.

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  • Temperature Forecast Bureau of Meteorology

  • Temperature Real-Time

St Helens Temperature Statistics View More

September Temperature

Port Fairy (20km)

  • Lowest 5 September, 2025

    4.2 °C

  • Average September

    12.6 °C

  • Highest 14 September, 2025

    22.2 °C

Climate (2020–Present)

Port Fairy (20km)

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  • Average Low 2020–2025

    10.7 °C

  • Average 2020–2025

    14.2 °C

  • Average High 2020–2025

    18.8 °C
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