Keynsham Weather Forecast

    • 14
    • 21

    Cloudy

    • 11
    • 18

    Light rain

    • 8
    • 14

    Cloudy

    • 6
    • 14

    Partly cloudy

    • 7
    • 15

    Partly cloudy

    • 8
    • 16

    Cloudy

Today 19 Sep South West England

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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Keynsham Temperature Statistics

September Temperature

Lyneham (36km)

  • Lowest 14 September, 2025

    8.3 °C

  • Average September

    14.2 °C

  • Highest 6 September, 2025

    21.6 °C

Climate (2020–Present)

Lyneham (36km)

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  • Average Low 2020–2025

    7.4 °C

  • Average 2020–2025

    10.8 °C

  • Average High 2020–2025

    14.4 °C
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