American River Weather Forecast

    • 9
    • 16

    Sunny

    • 10
    • 20

    Sunny

    • 13
    • 22

    Possible shower

    • 14
    • 20

    Shower or two

    • 14
    • 19

    Partly cloudy

    • 14
    • 23

    Partly cloudy

    • 16
    • 24

    Possible shower

Today 22 Sep Kangaroo Island

Mostly sunny. Winds east to southeasterly 15 to 20 km/h tending east to northeasterly before dawn. Overnight temperatures falling to between 5 and 8 with daytime temperatures reaching around 17.

Investigator Strait Coastal Waters

Wind
Easterly 10 to 15 knots, reaching up to 20 knots through the Backstairs Passage during the morning. Winds becoming variable about 10 knots in the middle of the day then becoming east to southeasterly 10 to 15 knots in the early afternoon.
Seas
Around 1 metre.
1st Swell
West to southwesterly 1 to 1.5 metres, increasing to 1 to 2 metres through the Backstairs Passage.
Weather
Sunny.
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  • Temperature Forecast Bureau of Meteorology

  • Temperature Real-Time

American River Temperature Statistics View More

September Temperature

Kingscote Airport (24km)

  • Lowest 18 September, 2026

    1.8 °C

  • Average September

    12.5 °C

  • Highest 19 September, 2026

    25.5 °C

Climate (2021–2026)

Kingscote Airport (24km)

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  • Average Low 2021–2026

    9.3 °C

  • Average 2021–2026

    14.8 °C

  • Average High 2021–2026

    21.1 °C
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