Southwick Weather Forecast

    • 16
    • 18

    Cloudy

    • 12
    • 21

    Cloudy

    • 18
    • 20

    Partly cloudy

    • 15
    • 21

    Light rain

    • 17
    • 20

    Cloudy

    • 13
    • 21

    Partly cloudy

Today 10 Sep London and South East England

A dry and bright but mostly cloudy day. Cloud will thicken into the evening as outbreaks of rain spread eastward on a freshening breeze. Maximum temperature 21 °C.

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Southwick Temperature Statistics

September Temperature

Thorney Island (15km)

  • Lowest 1 September, 2026

    10.8 °C

  • Average September

    18.3 °C

  • Highest 3 September, 2026

    23.5 °C

Climate (2021–2026)

Thorney Island (15km)

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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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