Ironstone Weather Forecast

    • 10
    • 16

    Shower

    • 11
    • 14

    Cloudy

    • 10
    • 13

    Cloudy

    • 9
    • 14

    Partly cloudy

    • 9
    • 17

    Sunny

    • 13
    • 20

    Sunny

    • 13
    • 17

    Shower

Today 14 Sep Kangaroo Island

Cloudy. Medium chance of showers, most likely in the evening. Winds westerly 15 to 25 km/h tending southwesterly 20 to 30 km/h in the evening. Overnight temperatures falling to around 10 with daytime temperatures reaching around 18.

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Ironstone Temperature Statistics View More

September Temperature

Cape Willoughby (18km)

  • Lowest 2 September, 2026

    9.9 °C

  • Average September

    13.7 °C

  • Highest 12 September, 2026

    20.3 °C

Climate (2021–2026)

Cape Willoughby (18km)

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  • Average Low 2021–2026

    13.3 °C

  • Average 2021–2026

    15.4 °C

  • Average High 2021–2026

    18.5 °C
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