Willoughby Weather Forecast

    • 11
    • 14

    Cloudy

    • 10
    • 15

    Sunny

    • 11
    • 18

    Partly cloudy

    • 14
    • 22

    Partly cloudy

    • 14
    • 20

    Shower

    • 14
    • 18

    Cloudy

    • 14
    • 22

    Partly cloudy

Today 21 Sep Kangaroo Island

Cloudy. Winds southerly 20 to 30 km/h turning east to southeasterly 15 to 20 km/h in the late morning and afternoon. Daytime maximum temperatures around 14.

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  • Temperature Forecast Bureau of Meteorology

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Willoughby Temperature Statistics View More

September Temperature

Cape Willoughby (4km)

  • Lowest 2 September, 2026

    9.9 °C

  • Average September

    13.9 °C

  • Highest 19 September, 2026

    21.9 °C

Climate (2021–2026)

Cape Willoughby (4km)

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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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