Cottesloe Beach Weather Forecast

    • 11
    • 19

    Shower or two

    • 13
    • 21

    Shower or two

    • 14
    • 20

    Showers

    • 13
    • 19

    Shower or two

    • 13
    • 19

    Showers

    • 11
    • 19

    Shower or two

    • 10
    • 21

    Partly cloudy

Today 26 Sep Perth

Cloudy. High chance of showers, most likely in the morning and afternoon. The chance of a thunderstorm in the northeast. Winds southeasterly 30 to 45 km/h. Gusts to 80 km/h are possible about the hills and foothills in the morning.

Perth Local Waters

Two Rocks to Dawesville, inshore from Rottnest Island
Wind
Southeasterly 15 to 25 knots, reaching up to 30 knots in the afternoon.
Seas
1.5 to 2.5 metres.
1st Swell
Southwesterly 2 to 3 metres, decreasing to 1.5 to 2 metres by early evening.
Weather
Cloudy. 50% chance of showers.
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  • Temperature Forecast Bureau of Meteorology

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Cottesloe Beach Temperature Statistics View More

September Temperature

Swanbourne (4km)

  • Lowest 1 September, 2026

    9.6 °C

  • Average September

    16.7 °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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