Brentwood Weather Forecast

    • 12
    • 22

    Mostly sunny

    • 13
    • 25

    Sunny

    • 16
    • 28

    Mostly sunny

    • 19
    • 24

    Mostly sunny

    • 15
    • 22

    Showers

    • 11
    • 19

    Possible shower

    • 12
    • 20

    Partly cloudy

Today 14 Sep Perth

Mostly sunny. Winds east to southeasterly and light becoming southeasterly 15 to 20 km/h in the late afternoon then increasing to 20 to 30 km/h in the late evening.

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  • Temperature Forecast Bureau of Meteorology

  • Temperature Real-Time

Brentwood Temperature Statistics View More

September Temperature

Jandakot Airport (6km)

  • Lowest 1 September, 2026

    6.8 °C

  • Average September

    15.5 °C

  • Highest 11 September, 2026

    26.3 °C

Climate (2021–2026)

Jandakot Airport (6km)

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  • Average Low 2021–2026

    12.5 °C

  • Average 2021–2026

    18.6 °C

  • Average High 2021–2026

    25.4 °C
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