Fontygary Bay Weather Forecast

    • 13
    • 18

    Partly cloudy

    • 12
    • 19

    Light rain

    • 14
    • 18

    Sunny day

    • 18
    • 21

    Cloudy

    • 15
    • 20

    Partly cloudy

    • 13
    • 18

    Partly cloudy

Today 26 Sep Wales

A bright start to the weekend with sunny spells. The odd shower possible in the west with brisk winds at times in the north. Temperatures a touch above the average. Maximum temperature 20 °C.

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Fontygary Bay Temperature Statistics

September Temperature

St-athan (5km)

  • Lowest 10 September, 2026

    10.1 °C

  • Average September

    16.6 °C

  • Highest 6 September, 2026

    25.1 °C

Climate (2021–2026)

St-athan (5km)

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  • Average Low 2021–2026

    9.1 °C

  • Average 2021–2026

    12 °C

  • Average High 2021–2026

    14.8 °C
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