Chalfont St Peter Weather Forecast

    • 11
    • 23

    Partly cloudy

    • 10
    • 20

    Partly cloudy

    • 12
    • 20

    Partly cloudy

    • 12
    • 20

    Cloudy

    • 12
    • 20

    Partly cloudy

    • 13
    • 19

    Sunny day

    • 12
    • 20

    Partly cloudy

Today 30 Sep London and South East England

Cloudy with patchy, mostly light, rain. The rain clears to the east by mid-afternoon to leave a partly cloudy and dry evening. Warm in the sunshine and easing winds. Maximum temperature 25 °C.

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Chalfont St Peter Temperature Statistics

September Temperature

Northolt (12km)

  • Lowest 21 September, 2026

    7.1 °C

  • Average September

    17.4 °C

  • Highest 6 September, 2026

    27.9 °C

Climate (2021–2026)

Northolt (12km)

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  • Average Low 2021–2026

    8.1 °C

  • Average 2021–2026

    12.3 °C

  • Average High 2021–2026

    16.4 °C
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