Knaphill Weather Forecast

    • 7
    • 21

    Light rain

    • 14
    • 18

    Cloudy

    • 18
    • 23

    Cloudy

    • 12
    • 21

    Light rain shower

    • 10
    • 19

    Partly cloudy

    • 10
    • 19

    Sunny day

    • 11
    • 20

    Cloudy

Today 27 Sep London and South East England

Cloudy periods to start, with outbreaks of rain gradually pushing east, possibly turning heavy for some by the evening, before drier and clearer conditions settle in. Maximum temperature 23 °C.

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Knaphill Temperature Statistics

September Temperature

Heathrow (21km)

  • Lowest 21 September, 2026

    9.2 °C

  • Average September

    18.1 °C

  • Highest 6 September, 2026

    27.6 °C

Climate (2021–2026)

Heathrow (21km)

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  • Average Low 2021–2026

    8.9 °C

  • Average 2021–2026

    12.7 °C

  • Average High 2021–2026

    16.6 °C
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