Griffithstown Weather Forecast

    • 14
    • 19

    Cloudy

    • 9
    • 16

    Heavy rain

    • 6
    • 13

    Cloudy

    • 5
    • 13

    Sunny day

    • 6
    • 14

    Partly cloudy

    • 7
    • 14

    Partly cloudy

Today 19 Sep Wales

Remaining changeable with showers or longer spells of rain at times. Some brighter periods are also likely, mainly on Friday. Temperatures close to average but turning colder later Sunday. Breezy.

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Griffithstown Temperature Statistics

September Temperature

St-athan (42km)

  • Lowest 14 September, 2025

    10.1 °C

  • Average September

    15.8 °C

  • Highest 6 September, 2025

    22 °C

Climate (2020–Present)

St-athan (42km)

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  • Average Low 2020–2025

    8.8 °C

  • Average 2020–2025

    11.6 °C

  • Average High 2020–2025

    14.5 °C
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