American River Weather Forecast

    • 11
    • 21

    Sunny

    • 15
    • 21

    Partly cloudy

    • 11
    • 14

    Cloudy

    • 9
    • 16

    Sunny

    • 10
    • 20

    Partly cloudy

    • 14
    • 22

    Partly cloudy

    • 15
    • 23

    Partly cloudy

Today 19 Sep Kangaroo Island

Sunny. Winds north to northwesterly 15 to 25 km/h becoming light in the late afternoon then becoming northerly 15 to 25 km/h in the late evening. Overnight temperatures falling to between 10 and 14 with daytime temperatures reaching the low to mid 20s.

Investigator Strait Coastal Waters

Wind
Northerly about 10 knots increasing to 15 to 20 knots before dawn.
Seas
Below 1 metre.
1st Swell
West to southwesterly below 1 metre.
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 °C

  • Highest 1 September, 2026

    21.3 °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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