Ystalyfera Weather Forecast

    • 12
    • 20

    Cloudy

    • 8
    • 18

    Cloudy

    • 10
    • 17

    Partly cloudy

    • 9
    • 17

    Light rain shower

    • 12
    • 17

    Cloudy

    • 15
    • 20

    Light rain

Today 24 Sep Wales

Hazy sunny spells through much of Thursday and staying dry for all. Brighter sunshine later. Light winds with temperatures around, or just above average for the time of year. Maximum temperature 21 °C.

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Ystalyfera Temperature Statistics

September Temperature

Sennybridge (35km)

  • Lowest 10 September, 2026

    5.1 °C

  • Average September

    14 °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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