Akaroa Weather Forecast

    • 13
    • 23

    Sunny

    • 8
    • 23

    Becoming windy. Sunny

    • 9
    • 16

    Partly cloudy

    • 4
    • 17

    Mostly sunny

    • 5
    • 19

    Mostly sunny

    • 9
    • 19

    Possible shower

    • 10
    • 22

    Shower or two

Today 19 Sep St Helens

Sunny. Winds westerly 30 to 45 km/h tending northwesterly 15 to 25 km/h in the early morning then becoming light in the early afternoon.

East of Flinders Island Coastal Waters

North Flinders Island to St Helens Point
Wind
Westerly 20 to 30 knots decreasing to 15 to 20 knots in the late evening. Winds may reach up to 35 knots at times.
Seas
2 to 3 metres.
1st Swell
Southerly around 1 metre inshore, increasing to 1 to 1.5 metres offshore.
Weather
Mostly sunny.
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  • Temperature Forecast Bureau of Meteorology

  • Temperature Real-Time

Akaroa Temperature Statistics View More

September Temperature

St Helens Aerodrome (4km)

  • Lowest 17 September, 2026

    2.2 °C

  • Average September

    11.9 °C

  • Highest 10 September, 2026

    22.2 °C

Climate (2021–2026)

St Helens Aerodrome (4km)

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  • Average Low 2021–2026

    9.4 °C

  • Average 2021–2026

    13.4 °C

  • Average High 2021–2026

    18.3 °C
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