Middleton-on-Sea Weather Forecast

    • 11
    • 21

    Sunny day

    • 12
    • 20

    Sunny day

    • 12
    • 20

    Sunny day

    • 10
    • 21

    Cloudy

    • 15
    • 18

    Partly cloudy

    • 13
    • 20

    Sunny day

    • 13
    • 20

    Sunny day

Today 20 Sep London and South East England

A dry day with plenty of sunny spells and variable amounts of cloud, perhaps becoming mostly sunny during the afternoon. Feeling pleasant in the sunshine with light winds. Maximum temperature 21 °C.

Tonight 20 Sep London and South East England

Dry with mostly clear skies, leading to a chilly night with light winds. A grass frost is possible by dawn for any prone rural spots. Minimum temperature 4 °C.

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Middleton-on-Sea Temperature Statistics

September Temperature

Thorney Island (21km)

  • Lowest 12 September, 2026

    9.5 °C
  • Average September

    17.6 °C
  • Highest 3 September, 2026

    23.5 °C

Climate (2021–2026)

Thorney Island (21km)

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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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