Boulder Weather Forecast

    • 9
    • 23

    Possible shower

    • 10
    • 18

    Showers easing

    • 7
    • 18

    Partly cloudy

    • 7
    • 16

    Partly cloudy

    • 4
    • 17

    Partly cloudy

    • 5
    • 18

    Partly cloudy

    • 6
    • 21

    Sunny

Today 5 Sep Kalgoorlie

Mostly sunny morning. Slight chance of a shower in the evening. Light winds becoming northerly 15 to 25 km/h during the morning then tending northwesterly 20 to 30 km/h during the day.

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  • Temperature Forecast Bureau of Meteorology

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Boulder Temperature Statistics View More

September Temperature

Kalgoorlie-Boulder Airport (3km)

  • Lowest 2 September, 2025

    4.8 °C

  • Average September

    15.1 °C

  • Highest 3 September, 2025

    25.6 °C

Climate (2020–Present)

Kalgoorlie-Boulder Airport (3km)

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  • Average Low 2020–2025

    12.6 °C

  • Average 2020–2025

    19.2 °C

  • Average High 2020–2025

    26.1 °C
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