Koonoomoo Weather Forecast

    • 4
    • 17

    Clear

    • 0
    • 17

    Morning frost. Sunny

    • 4
    • 22

    Partly cloudy

    • 13
    • 23

    Showers

    • 10
    • 23

    Possible shower

    • 7
    • 20

    Shower or two

    • 7
    • 16

    Shower or two

Today 4 Sep Northern Country

Partly cloudy. The chance of morning fog. Medium chance of showers, most likely in the morning and afternoon. Light winds becoming west to northwesterly 15 to 25 km/h during the morning then becoming light during the evening. Overnight temperatures falling to around 4 with daytime temperatures reaching around 16.

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Koonoomoo Temperature Statistics View More

September Temperature

Yarrawonga (43km)

  • Lowest 2 September, 2025

    -0.1 °C

  • Average September

    8.4 °C

  • Highest 2 September, 2025

    15.8 °C

Climate (2020–Present)

Yarrawonga (43km)

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  • Average Low 2020–2025

    9 °C

  • Average 2020–2025

    15.6 °C

  • Average High 2020–2025

    23.1 °C
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