Underwood Weather Forecast

    • 10
    • 15

    Light rain shower

    • 13
    • 18

    Heavy rain

    • 12
    • 16

    Light rain shower

    • 13
    • 17

    Cloudy

    • 12
    • 18

    Light rain

    • 11
    • 18

    Sunny day

Today 13 Sep Wales

Scattered showers and patchy cloud in the southwest, becoming widespread and occasionally heavy through the morning. Showers fade later, leaving some early evening bright or sunny spells. Winds easing. Maximum Temperature 16C.

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Underwood Temperature Statistics

September Temperature

St-athan (44km)

  • Lowest 11 September, 2025

    11.4 °C

  • Average September

    15.9 °C

  • Highest 6 September, 2025

    22 °C

Climate (2020–Present)

St-athan (44km)

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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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