St Peters Weather Forecast

    • 15
    • 22

    Shower or two

    • 17
    • 24

    Partly cloudy

    • 15
    • 26

    Sunny

    • 17
    • 29

    Mostly sunny

    • 15
    • 20

    Shower or two

    • 15
    • 21

    Cloudy

    • 13
    • 22

    Cloud clearing

Today 23 Sep Sydney

Cloudy. High chance of showers, becoming less likely in the late afternoon and evening. Light winds becoming easterly 20 to 30 km/h in the middle of the day then tending northeasterly 15 to 25 km/h in the evening.

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St Peters Temperature Statistics View More

September Temperature

Sydney Airport (3km)

  • Lowest 18 September, 2026

    9.1 °C

  • Average September

    18 °C

  • Highest 20 September, 2026

    32.7 °C

Climate (2021–2026)

Sydney Airport (3km)

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  • Average Low 2021–2026

    15 °C

  • Average 2021–2026

    18.8 °C

  • Average High 2021–2026

    23.5 °C
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