Chichester Channel - Chichester Marina Weather Forecast

    • 17
    • 18

    Overcast

    • 16
    • 19

    Cloudy

    • 15
    • 20

    Sunny day

    • 13
    • 18

    Light rain shower

    • 9
    • 16

    Partly cloudy

    • 10
    • 15

    Cloudy

Today 17 Sep London and South East England

Unsettled with cloud and some heavy rain at first, the rain becoming lighter and more intermittent by afternoon with some drier interludes developing later. Breezy. Maximum Temperature 20C.

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Chichester Channel - Chichester Marina Temperature Statistics

September Temperature

Thorney Island (7km)

  • Lowest 14 September, 2025

    7.3 °C

  • Average September

    16.3 °C

  • Highest 6 September, 2025

    21.7 °C

Climate (2020–Present)

Thorney Island (7km)

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  • Average Low 2020–2025

    8.6 °C

  • Average 2020–2025

    11.9 °C

  • Average High 2020–2025

    15.1 °C
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