St Mary's Island Weather Forecast

    • 14
    • 22

    Cloudy

    • 13
    • 18

    Cloudy

    • 11
    • 20

    Cloudy

    • 15
    • 19

    Cloudy

    • 15
    • 21

    Cloudy

    • 14
    • 21

    Partly cloudy

    • 14
    • 21

    Sunny day

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 in the west and north. Maximum temperature 24 °C.

Tonight 15 Sep London and South East England

Mostly dry with clear spells, though more cloud in the north or west at times. Wind easing light inland but breezy near the north Kent coast. Minimum temperature 9 °C.

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St Mary's Island Temperature Statistics

September Temperature

Shoeburyness (25km)

  • Lowest 9 September, 2026

    11.7 °C

  • Average September

    18.3 °C

  • Highest 3 September, 2026

    25.9 °C

Climate (2021–2026)

Shoeburyness (25km)

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  • Average Low 2021–2026

    8.5 °C

  • Average 2021–2026

    12 °C

  • Average High 2021–2026

    15.4 °C
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