Lower Cwm Weather Forecast

    • 9
    • 18

    Cloudy

    • 11
    • 20

    Sunny day

    • 11
    • 20

    Sunny day

    • 6
    • 17

    Partly cloudy

    • 9
    • 17

    Partly cloudy

    • 9
    • 18

    Partly cloudy

Today 20 Sep Wales

A fine day on Sunday with lighter winds and plenty of sunny spells. The sunshine may turn hazy at times, but staying bright and feeling warm. Maximum temperature 21 °C.

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Lower Cwm Temperature Statistics

September Temperature

St-athan (42km)

  • Lowest 10 September, 2026

    10.1 °C

  • Average September

    16.7 °C

  • Highest 6 September, 2026

    25.1 °C

Climate (2021–2026)

St-athan (42km)

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  • Average Low 2021–2026

    9.1 °C

  • Average 2021–2026

    11.9 °C

  • Average High 2021–2026

    14.8 °C
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