Upper Swan Weather Forecast

    • 9
    • 21

    Cloudy

    • 8
    • 24

    Sunny

    • 10
    • 27

    Sunny

    • 12
    • 28

    Sunny

    • 13
    • 29

    Sunny

    • 13
    • 31

    Sunny

    • 11
    • 31

    Sunny

Today 19 Sep Perth

Partly cloudy. Slight chance of a shower, most likely in the early morning. The chance of fog about the hills in the early morning. Light winds becoming south to southwesterly 15 to 20 km/h in the early afternoon then becoming light in the evening.

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Upper Swan Temperature Statistics View More

September Temperature

Pearce RAAF Base (11km)

  • Lowest 10 September, 2025

    3.9 °C

  • Average September

    13.4 °C

  • Highest 12 September, 2025

    26.1 °C

Climate (2020–Present)

Pearce RAAF Base (11km)

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  • Average Low 2020–2025

    13.1 °C

  • Average 2020–2025

    19.2 °C

  • Average High 2020–2025

    26.6 °C
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