Penn Weather Forecast

    • 11
    • 19

    Partly cloudy

    • 9
    • 21

    Light rain

    • 13
    • 18

    Cloudy

    • 18
    • 23

    Cloudy

    • 13
    • 21

    Light rain shower

    • 10
    • 19

    Light rain shower

    • 10
    • 18

    Partly cloudy

Today 26 Sep London and South East England

Any lingering overnight cloud will soon clear to leave a fine and dry day with light winds and plenty of sunshine, though hazy at times. Feeling pleasantly warm. Maximum temperature 21 °C.

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Penn Temperature Statistics

September Temperature

Northolt (20km)

  • Lowest 21 September, 2026

    7.1 °C

  • Average September

    17.3 °C

  • Highest 6 September, 2026

    27.9 °C

Climate (2021–2026)

Northolt (20km)

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  • Average Low 2021–2026

    8.1 °C

  • Average 2021–2026

    12.2 °C

  • Average High 2021–2026

    16.4 °C
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