American River - Picnic Point Weather Forecast

    • 7
    • 16

    Becoming cloudy

    • 11
    • 14

    Cloudy

    • 10
    • 16

    Partly cloudy

    • 10
    • 17

    Sunny

    • 11
    • 19

    Partly cloudy

    • 14
    • 21

    Shower or two

    • 12
    • 20

    Shower or two

Today 8 Sep Kangaroo Island

Partly cloudy. Slight chance of a shower in the evening. Light winds becoming southerly 15 to 25 km/h in the early afternoon then increasing to 25 to 35 km/h in the late evening. Overnight temperatures falling to between 4 and 7 with daytime temperatures reaching around 16.

Investigator Strait Coastal Waters

Wind
East to northeasterly 10 to 15 knots becoming variable about 10 knots in the morning then becoming southerly 15 to 20 knots in the late afternoon.
Seas
Below 1 metre, decreasing below 0.5 metres during the morning, then increasing to around 1 metre by early evening.
1st Swell
West to southwesterly around 1 metre, increasing to 1 to 1.5 metres inshore around midday.
Weather
Becoming cloudy.
Graph Plots Open in Graphs

  • Temperature Forecast Bureau of Meteorology

  • Temperature Real-Time

American River - Picnic Point Temperature Statistics View More

September Temperature

Kingscote Airport (23km)

  • Lowest 2 September, 2026

    5.6 °C

  • Average September

    12.8 °C

  • Highest 1 September, 2026

    21.3 °C

Climate (2021–2026)

Kingscote Airport (23km)

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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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