Langstone Harbour - Sinah Lake Weather Forecast

    • 13
    • 21

    Cloudy

    • 18
    • 20

    Partly cloudy

    • 17
    • 21

    Cloudy

    • 17
    • 20

    Cloudy

    • 14
    • 20

    Sunny day

    • 15
    • 19

    Cloudy

Today 11 Sep London and South East England

Mostly dry with showers and low cloud along the coast at first. This clearing up during the morning to leave a fine day with good spells of sunshine. Maximum temperature 22 °C.

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Langstone Harbour - Sinah Lake Temperature Statistics

September Temperature

Thorney Island (5km)

  • Lowest 10 September, 2026

    10.7 °C

  • Average September

    17.3 °C

  • Highest 3 September, 2026

    23.5 °C

Climate (2021–2026)

Thorney Island (5km)

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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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