Illeroo Weather Forecast

    • 10
    • 26

    Partly cloudy

    • 12
    • 21

    Shower

    • 8
    • 17

    Shower

    • 8
    • 18

    Cloudy

    • 6
    • 20

    Partly cloudy

    • 6
    • 24

    Sunny

    • 12
    • 25

    Partly cloudy

Today 8 Sep North West Pastoral

Mostly sunny. Slight chance of a shower. The chance of a thunderstorm east of Stuart Highway. Light winds becoming northeast to southeasterly 15 to 20 km/h in the morning then tending northwest to southwesterly 20 to 30 km/h in the middle of the day. Overnight temperatures falling to between 7 and 15 with daytime temperatures reaching 26 to 31.

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Illeroo Temperature Statistics View More

September Temperature

Whyalla Airport (62km)

  • Lowest 1 September, 2025

    2.8 °C

  • Average September

    15.6 °C

  • Highest 6 September, 2025

    33.8 °C

Climate (2020–Present)

Whyalla Airport (62km)

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  • Average Low 2020–2025

    11.9 °C

  • Average 2020–2025

    17.5 °C

  • Average High 2020–2025

    23.8 °C
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