Petworth Weather Forecast

    • 16
    • 20

    Cloudy

    • 12
    • 22

    Sunny day

    • 11
    • 19

    Light rain shower

    • 8
    • 15

    Partly cloudy

    • 7
    • 15

    Partly cloudy

    • 9
    • 15

    Sunny day

    • 9
    • 16

    Cloudy

Today 18 Sep London and South East England

Mainly dry with plenty of low cloud at first. The cloud slowly lifting through the morning to leave some brighter spells later on. Gusty winds developing, particularly along the coast. Maximum Temperature 22C.

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Petworth Temperature Statistics

September Temperature

Shoreham (28km)

  • Lowest 14 September, 2025

    4.9 °C

  • Average September

    16 °C

  • Highest 7 September, 2025

    22.4 °C

Climate (2020–Present)

Shoreham (28km)

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  • Average Low 2020–2025

    7.9 °C

  • Average 2020–2025

    11.6 °C

  • Average High 2020–2025

    14.9 °C
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