Duffryn Weather Forecast

    • 12
    • 17

    Cloudy

    • 13
    • 17

    Cloudy

    • 17
    • 19

    Heavy rain

    • 15
    • 20

    Light rain

    • 15
    • 19

    Light rain

    • 12
    • 18

    Light rain shower

    • 10
    • 16

    Partly cloudy

Today 15 Sep Wales

Very windy with gales, locally severe in coastal and upland areas, especially during the morning. Scattered showers, heaviest and most frequent in the north, but occasional bright spells too. Feeling cool. Maximum Temperature 16C.

Tonight 15 Sep Wales

Windy this evening with coastal gales at first but winds gradually easing into the early hours. Scattered showers, some heavy this evening, but many places turning drier overnight. Staying fairly mild. Minimum Temperature 10C.

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Duffryn Temperature Statistics

September Temperature

St-athan (33km)

  • Lowest 14 September, 2025

    10.1 °C

  • Average September

    15.6 °C

  • Highest 6 September, 2025

    22 °C

Climate (2020–Present)

St-athan (33km)

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  • Average Low 2020–2025

    8.8 °C

  • Average 2020–2025

    11.6 °C

  • Average High 2020–2025

    14.5 °C
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