Groper Bay Weather Forecast

    • 9
    • 19

    Cloudy

    • 9
    • 23

    Sunny

    • 12
    • 27

    Sunny

    • 13
    • 21

    Cloudy

    • 12
    • 17

    Cloudy

    • 10
    • 20

    Partly cloudy

    • 11
    • 24

    Partly cloudy

Today 17 Sep Lower Eyre Peninsula

Mostly sunny. Winds east to northeasterly 15 to 25 km/h becoming light in the late afternoon. Overnight temperatures falling to between 5 and 9 with daytime temperatures reaching between 17 and 21.

Central Coastal Waters

Wind
Easterly 10 to 15 knots turning northeasterly in the early morning.
Seas
Around 1 metre.
1st Swell
Southwesterly 2.5 to 3 metres.
Weather
Cloud clearing.
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  • Temperature Forecast Bureau of Meteorology

  • Temperature Real-Time

Groper Bay Temperature Statistics View More

September Temperature

Port Lincoln Airport (43km)

  • Lowest 11 September, 2026

    5.6 °C

  • Average September

    13.7 °C

  • Highest 4 September, 2026

    25.1 °C

Climate (2021–2026)

Port Lincoln Airport (43km)

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  • Average Low 2021–2026

    11.5 °C

  • Average 2021–2026

    15.8 °C

  • Average High 2021–2026

    21.3 °C
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