Joondalup Weather Forecast

    • 14
    • 21

    Cloudy

    • 13
    • 23

    Mostly sunny

    • 14
    • 26

    Partly cloudy

    • 17
    • 29

    Mostly sunny

    • 17
    • 24

    Mostly sunny

    • 15
    • 22

    Showers

    • 13
    • 20

    Possible shower

Today 13 Sep Perth

Partly cloudy. Slight chance of a shower in the southwest, near zero chance elsewhere. Light winds becoming westerly 15 to 20 km/h in the morning then becoming light in the evening.

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Joondalup Temperature Statistics View More

September Temperature

Perth Metro (21km)

  • Lowest 1 September, 2026

    8.3 °C
  • Average September

    16 °C
  • Highest 11 September, 2026

    27.4 °C

Climate (2021–2026)

Perth Metro (21km)

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  • Average Low 2021–2026

    13.4 °C
  • Average 2021–2026

    18.8 °C
  • Average High 2021–2026

    25.4 °C
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