Lower Cwm Weather Forecast

    • 16
    • 23

    Partly cloudy

    • 11
    • 18

    Cloudy

    • 10
    • 17

    Partly cloudy

    • 10
    • 16

    Cloudy

    • 14
    • 18

    Light rain

    • 11
    • 18

    Partly cloudy

Today 6 Sep Wales

Outbreaks of showery rain moving through during the morning, perhaps heavy. Dry and rather warm in the afternoon with some bright spells, though clouding over again in the west later. Maximum temperature 23 °C.

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Lower Cwm Temperature Statistics

September Temperature

St-athan (42km)

  • Lowest 1 September, 2026

    13 °C

  • Average September

    18.1 °C

  • Highest 3 September, 2026

    21 °C

Climate (2021–2026)

St-athan (42km)

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  • Average Low 2021–2026

    9.1 °C

  • Average 2021–2026

    12 °C

  • Average High 2021–2026

    14.8 °C
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