St Marys Weather Forecast

    • 10
    • 15

    Showers

    • 7
    • 13

    Partly cloudy

    • 2
    • 15

    Possible shower

    • 6
    • 15

    Showers

    • 3
    • 13

    Shower or two

    • 4
    • 14

    Shower or two

    • 5
    • 13

    Possible shower

Today 16 Sep East Coast

Partly cloudy. High chance of showers in the north, medium chance elsewhere. Damaging winds possible in the north. Winds northwesterly 25 to 40 km/h. Daytime maximum temperatures between 11 and 17.

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St Marys Temperature Statistics View More

September Temperature

St Helens Aerodrome (28km)

  • Lowest 5 September, 2025

    1 °C

  • Average September

    11 °C

  • Highest 12 September, 2025

    18.8 °C

Climate (2020–Present)

St Helens Aerodrome (28km)

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  • Average Low 2020–2025

    9.4 °C

  • Average 2020–2025

    13.3 °C

  • Average High 2020–2025

    18.2 °C
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