St Donat's Bay Weather Forecast

    • 15
    • 19

    Light rain

    • 14
    • 19

    Light rain shower

    • 15
    • 17

    Light rain shower

    • 15
    • 18

    Cloudy

    • 17
    • 20

    Cloudy

    • 15
    • 19

    Light rain

Today 2 Sep Wales

Remaining unsettled throughout with further spells of rain and showers. The rain will be heavy at times, but some drier and sunnier interludes will develop. Temperatures around average.

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St Donat's Bay Temperature Statistics

September Temperature

St-athan (6km)

  • Lowest 1 September, 2025

    15.5 °C

  • Average September

    15.8 °C

  • Highest 1 September, 2025

    16 °C

Climate (2020–Present)

St-athan (6km)

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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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