Sizewell Weather Forecast

    • 13
    • 21

    Light rain shower

    • 12
    • 19

    Thunder shower

    • 12
    • 20

    Sunny day

    • 17
    • 20

    Sunny day

    • 16
    • 21

    Cloudy

    • 14
    • 20

    Sunny day

Today 3 Sep East of England

A wet and windy day. Low cloud and rain moving in during the morning, turning heavy and persistent at times. This mostly clearing by the afternoon, leaving behind a risk of scattered, heavy showers. Gales possible along the coast. Maximum Temperature 22C.

Tonight 3 Sep East of England

Scattered showers dying away through the evening and the winds easing. Then a generally dry night with some clear spells. Minimum Temperature 13C.

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Sizewell Temperature Statistics

September Temperature

Wattisham (46km)

  • Lowest 2 September, 2025

    11.5 °C

  • Average September

    14 °C

  • Highest 1 September, 2025

    20.3 °C

Climate (2020–Present)

Wattisham (46km)

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  • Average Low 2020–2025

    7.2 °C

  • Average 2020–2025

    10.9 °C

  • Average High 2020–2025

    14.6 °C
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