Chippenham Weather Forecast

    • 12
    • 17

    Light rain shower

    • 13
    • 17

    Cloudy

    • 16
    • 19

    Light rain

    • 16
    • 20

    Cloudy

    • 14
    • 20

    Cloudy

    • 10
    • 18

    Light rain

    • 9
    • 16

    Cloudy

Today 15 Sep South West England

A windy day with strong westerly winds and gales at times. Occasional brief heavy showers but also plenty of dry weather with sunny periods. Feeling cool in the wind. Maximum Temperature 17C.

Tonight 15 Sep South West England

Windy this evening with coastal gales at first but winds gradually easing into the early hours. Scattered showers, some heavy this evening, but many places turning drier overnight. Staying fairly mild. Minimum Temperature 11C.

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Chippenham Temperature Statistics

September Temperature

Lyneham (9km)

  • Lowest 14 September, 2025

    8.3 °C

  • Average September

    14.2 °C

  • Highest 6 September, 2025

    21.6 °C

Climate (2020–Present)

Lyneham (9km)

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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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