Dump Beach Weather Forecast

    • 4
    • 19

    Clear

    • 8
    • 21

    Partly cloudy

    • 15
    • 23

    Shower or two. Windy

    • 9
    • 17

    Shower or two. Windy

    • 6
    • 17

    Partly cloudy

    • 7
    • 23

    Sunny day. Possible shower

    • 9
    • 18

    Showers

Today 13 Sep Mount Lofty Ranges

Mostly sunny. The chance of morning fog about the southern Fleurieu Peninsula. Winds north to northwesterly 15 to 25 km/h becoming light in the late afternoon then becoming northerly 15 to 20 km/h in the late evening. Daytime maximum temperatures between 15 and 19.

South Central Coastal Waters

Wind
Northerly 15 to 20 knots.
Seas
Around 1 metre, increasing to 1 to 1.5 metres west of Kangaroo Island.
1st Swell
Southwesterly 2.5 to 3 metres.
Weather
Clear.
Weather Situation
A high pressure system over NSW will move into the Tasman Sea on Sunday whilst maintaining a north to northwesterly airstream across coastal waters. A cold front will move across coastal waters on Monday, followed by another high pressure system on Tuesday.
Graph Plots Open in Graphs

  • Temperature Forecast Bureau of Meteorology

  • Temperature Real-Time

Dump Beach Temperature Statistics View More

September Temperature

Encounter Bay (4km)

  • Lowest 2 September, 2025

    3.5 °C

  • Average September

    13.4 °C

  • Highest 6 September, 2025

    27.4 °C

Climate (2020–Present)

Encounter Bay (4km)

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  • Average Low 2020–2025

    10.4 °C

  • Average 2020–2025

    15.1 °C

  • Average High 2020–2025

    20.6 °C
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