Swansea Bay Weather Forecast

    • 14
    • 18

    Light rain

    • 12
    • 18

    Thunder shower

    • 14
    • 18

    Cloudy

    • 17
    • 20

    Cloudy

    • 15
    • 19

    Light rain shower

    • 15
    • 17

    Light rain shower

    • 14
    • 17

    Light rain shower

Today 3 Sep Wales

Widely wet and windy through the morning, with heavy, sometimes thundery spells of rain at times. Brighter skies developing by the afternoon bringing a mixture of sunshine and blustery heavy showers. Maximum Temperature 19C.

Tonight 3 Sep Wales

A few showers this evening but most places dry with some late sunny spells. Turning cloudier overnight with showery outbreaks of rain clearing eastwards. Winds easing. Minimum Temperature 8C.

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Swansea Bay Temperature Statistics

September Temperature

Pembrey Sands Samos (29km)

  • Lowest 2 September, 2025

    13.5 °C

  • Average September

    15.9 °C

  • Highest 1 September, 2025

    18.5 °C

Climate (2020–Present)

Pembrey Sands Samos (29km)

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  • Average Low 2020–2025

    8.2 °C

  • Average 2020–2025

    11.5 °C

  • Average High 2020–2025

    14.3 °C
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