St James Weather Forecast

    • 13
    • 27

    Mostly sunny

    • 16
    • 30

    Mostly sunny

    • 19
    • 26

    Sunny

    • 15
    • 21

    Showers

    • 11
    • 19

    Showers easing

    • 12
    • 21

    Partly cloudy

    • 11
    • 21

    Shower or two

Today 15 Sep Perth

Mostly sunny. The chance of a thunderstorm in the northeast during the morning and afternoon. Winds easterly 25 to 35 km/h.

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St James Temperature Statistics View More

September Temperature

Perth Metro (9km)

  • Lowest 1 September, 2026

    8.3 °C

  • Average September

    15.8 °C

  • Highest 11 September, 2026

    27.4 °C

Climate (2021–2026)

Perth Metro (9km)

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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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