Cefn Weather Forecast

    • 10
    • 18

    Partly cloudy

    • 15
    • 19

    Light rain

    • 14
    • 19

    Cloudy

    • 13
    • 21

    Cloudy

    • 11
    • 17

    Partly cloudy

    • 12
    • 16

    Cloudy

    • 10
    • 17

    Partly cloudy

Today 11 Sep Wales

Isolated showers first thing Friday morning, but dissipating under a ridge of high pressure. This leaves brighter spells in the afternoon, especially in the west. Temperatures will be near average. Maximum temperature 20 °C.

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Cefn Temperature Statistics

September Temperature

Lake Vyrnwy Saws (26km)

  • Lowest 8 September, 2026

    9.7 °C

  • Average September

    13.6 °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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