Chichester Harbour Entrance Weather Forecast

    • 19
    • 22

    Overcast

    • 15
    • 21

    Cloudy

    • 16
    • 19

    Sunny day

    • 18
    • 21

    Sunny day

    • 16
    • 21

    Cloudy

    • 13
    • 19

    Partly cloudy

Today 3 Sep London and South East England

A little rain at first, soon clearing, then brighter with sunny spells and a few showers developing, perhaps heavy in places. Remaining breezy and feeling warm in any sunshine. Maximum temperature 27 °C.

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Chichester Harbour Entrance Temperature Statistics

September Temperature

Thorney Island (3km)

  • Lowest 1 September, 2026

    10.8 °C

  • Average September

    17.2 °C

  • Highest 1 September, 2026

    22.7 °C

Climate (2021–2026)

Thorney Island (3km)

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  • Average Low 2021–2026

    9 °C

  • Average 2021–2026

    12.4 °C

  • Average High 2021–2026

    15.6 °C
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