Trefechan Weather Forecast

    • 7
    • 16

    Cloudy

    • 8
    • 16

    Partly cloudy

    • 7
    • 16

    Heavy rain

    • 11
    • 15

    Sunny day

    • 14
    • 18

    Heavy rain

    • 11
    • 17

    Light rain shower

    • 8
    • 15

    Light rain shower

Today 25 Sep Wales

Some bright spells in the southeast this morning, otherwise a rather cloudy and at times, damp day with mostly light showery rain edging southeastwards across Wales. A little brighter in the northwest later, but feeling cooler than on Thursday. Maximum temperature 19 °C.

Tonight 25 Sep Wales

Rain across the south will move away during the evening, leaving a dry and clear night for many. A few mist patches. A chilly night to come away from coasts. Minimum temperature 5 °C.

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Trefechan Temperature Statistics

September Temperature

Sennybridge (35km)

  • Lowest 24 September, 2026

    3.9 °C

  • Average September

    13.8 °C

  • Highest 6 September, 2026

    23.2 °C

Climate (2021–2026)

Sennybridge (35km)

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  • Average Low 2021–2026

    5.7 °C

  • Average 2021–2026

    9.5 °C

  • Average High 2021–2026

    13 °C
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