Rockdale Weather Forecast

    • 11
    • 24

    Possible shower

    • 16
    • 23

    Early shower or two

    • 10
    • 22

    Sunny

    • 12
    • 22

    Shower or two developing

    • 11
    • 18

    Shower or two

    • 11
    • 21

    Sunny

    • 12
    • 25

    Mostly sunny

Today 19 Sep Sydney

Cloudy. Medium chance of showers, most likely later this evening. Winds northwesterly 15 to 20 km/h tending northerly in the late evening.

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  • Temperature Forecast Bureau of Meteorology

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Rockdale Temperature Statistics View More

September Temperature

Sydney Airport (3km)

  • Lowest 1 September, 2025

    9 °C

  • Average September

    17.5 °C

  • Highest 8 September, 2025

    30.1 °C

Climate (2020–Present)

Sydney Airport (3km)

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  • Average Low 2020–2025

    14.7 °C

  • Average 2020–2025

    18.6 °C

  • Average High 2020–2025

    23.3 °C
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