St Marys Weather Forecast

    • 3
    • 13

    Cloudy

    • 3
    • 18

    Mostly sunny

    • 4
    • 19

    Mostly sunny

    • 11
    • 23

    Sunny

    • 10
    • 22

    Partly cloudy

    • 7
    • 15

    Partly cloudy

    • 5
    • 15

    Partly cloudy

Today 16 Sep East Coast

Cloudy. Areas of frost about higher ground in the early morning. Slight chance of a shower in the morning. Snow possible above 600 metres. Winds southwesterly 25 to 35 km/h turning westerly 15 to 20 km/h in the evening. Overnight temperatures falling to between zero and 5 with daytime temperatures reaching between 9 and 15.

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  • Temperature Forecast Bureau of Meteorology

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St Marys Temperature Statistics View More

September Temperature

St Helens Aerodrome (28km)

  • Lowest 8 September, 2026

    3.5 °C

  • Average September

    12.3 °C

  • Highest 10 September, 2026

    22.2 °C

Climate (2021–2026)

St Helens Aerodrome (28km)

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  • Average Low 2021–2026

    9.4 °C

  • Average 2021–2026

    13.4 °C

  • Average High 2021–2026

    18.3 °C
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