Southampton Water - River Itchen Entrance Weather Forecast

    • 13
    • 21

    Partly cloudy

    • 15
    • 19

    Cloudy

    • 13
    • 19

    Light rain shower

    • 16
    • 18

    Cloudy

    • 15
    • 20

    Cloudy

    • 14
    • 19

    Partly cloudy

Today 15 Sep London and South East England

Mild and humid to start, as a weakening band of rain moves southeast. Becoming drier, brighter and fresher later, with a breeze and some warm sunny spells. Maximum temperature 24 °C.

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Southampton Water - River Itchen Entrance Temperature Statistics

September Temperature

Middle Wallop (31km)

  • Lowest 10 September, 2026

    7.8 °C

  • Average September

    16.8 °C

  • Highest 6 September, 2026

    25.5 °C

Climate (2021–2026)

Middle Wallop (31km)

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  • Average Low 2021–2026

    7.7 °C

  • Average 2021–2026

    11.6 °C

  • Average High 2021–2026

    15.5 °C
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