Cold Knap Beach Weather Forecast

    • 18
    • 25

    Partly cloudy

    • 14
    • 19

    Cloudy

    • 13
    • 18

    Cloudy

    • 14
    • 18

    Partly cloudy

    • 16
    • 19

    Cloudy

    • 14
    • 19

    Partly cloudy

    • 16
    • 19

    Cloudy

Today 6 Sep Wales

A rather cloudy start with outbreaks of rain moving northeastwards. Turning dry and brighter towards lunchtime, with plenty of sunshine developing for the afternoon. Breezy but feeling warm in the sunshine. Maximum temperature 25 °C.

Tonight 6 Sep Wales

Dry initially this evening, but cloud and outbreaks of rain will spread southeastwards, perhaps turning heavy over higher ground. Rather humid but drier and clearer from the north towards dawn. Minimum temperature 15 °C.

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Cold Knap Beach Temperature Statistics

September Temperature

St-athan (10km)

  • Lowest 1 September, 2026

    13 °C

  • Average September

    18.1 °C

  • Highest 3 September, 2026

    21 °C

Climate (2021–2026)

St-athan (10km)

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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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