Cottesloe Beach Weather Forecast

    • 13
    • 20

    Partly cloudy

    • 13
    • 20

    Possible shower

    • 12
    • 20

    Partly cloudy

    • 12
    • 22

    Possible shower. Windy

    • 11
    • 17

    Shower or two

    • 10
    • 19

    Showers

    • 14
    • 20

    Shower or two

Today 22 Sep Perth

Clear. Light winds.

Perth Local Waters

Two Rocks to Dawesville, inshore from Rottnest Island
Wind
South to southwesterly about 10 knots.
Seas
Below 1 metre.
1st Swell
Southwesterly 1.5 to 2 metres.
Weather
Partly cloudy.
Weather Situation
A ridge sits over the local waters. A cold front will pass to the south on Thursday and a deep low pressure system developing inland on Friday will cause winds to freshen.
Graph Plots Open in Graphs

  • Temperature Forecast Bureau of Meteorology

  • Temperature Real-Time

Cottesloe Beach Temperature Statistics View More

September Temperature

Swanbourne (4km)

  • Lowest 1 September, 2026

    9.6 °C

  • Average September

    16.8 °C

  • Highest 16 September, 2026

    30.7 °C

Climate (2021–2026)

Swanbourne (4km)

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  • Average Low 2021–2026

    14.5 °C

  • Average 2021–2026

    18.8 °C

  • Average High 2021–2026

    24.3 °C
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