Cefn Weather Forecast

    • 15
    • 22

    Cloudy

    • 11
    • 18

    Partly cloudy

    • 12
    • 17

    Cloudy

    • 10
    • 16

    Partly cloudy

    • 13
    • 16

    Cloudy

    • 12
    • 18

    Partly cloudy

    • 13
    • 18

    Partly cloudy

Today 14 Sep Wales

Largely cloudy skies on Monday with a few outbreaks of rain or drizzle possible at times. Becoming drier and brighter during the afternoon, feeling warm and humid in the sunshine. Maximum temperature 21 °C.

Tonight 14 Sep Wales

Dry with clear spells this evening. Becoming cloudy with outbreaks of rain soon arriving, some heavier bursts are likely. Turning drier in the north towards dawn. Minimum temperature 10 °C.

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Cefn Temperature Statistics

September Temperature

Lake Vyrnwy Saws (26km)

  • Lowest 12 September, 2026

    8.3 °C

  • Average September

    13.8 °C

  • Highest 6 September, 2026

    21.7 °C

Climate (2021–2026)

Lake Vyrnwy Saws (26km)

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  • Average Low 2021–2026

    6.4 °C

  • Average 2021–2026

    9.1 °C

  • Average High 2021–2026

    12 °C
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