River Hamble - Swanwick Marina Weather Forecast

    • 13
    • 21

    Partly cloudy

    • 16
    • 23

    Sunny day

    • 15
    • 21

    Cloudy

    • 11
    • 19

    Partly cloudy

    • 11
    • 19

    Partly cloudy

    • 14
    • 18

    Cloudy

    • 13
    • 20

    Cloudy

Today 5 Sep London and South East England

Generally fine and dry with sunny spells. Winds easing further to become light by the evening. Maximum temperature 23 °C.

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River Hamble - Swanwick Marina Temperature Statistics

September Temperature

Thorney Island (27km)

  • Lowest 1 September, 2026

    10.8 °C

  • Average September

    19 °C

  • Highest 3 September, 2026

    23.5 °C

Climate (2021–2026)

Thorney Island (27km)

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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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