Llanrumney Weather Forecast

    • 13
    • 19

    Heavy rain

    • 13
    • 18

    Cloudy

    • 14
    • 19

    Sunny day

    • 14
    • 20

    Partly cloudy

    • 13
    • 18

    Cloudy

    • 15
    • 19

    Partly cloudy

Today 19 Sep Wales

A rather cloudy day for all on Saturday with a little patchy rain at times. Winds easing and turning drier towards the evening. Maximum temperature 19 °C.

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Llanrumney Temperature Statistics

September Temperature

St-athan (25km)

  • Lowest 10 September, 2026

    10.1 °C

  • Average September

    16.9 °C

  • Highest 6 September, 2026

    25.1 °C

Climate (2021–2026)

St-athan (25km)

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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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