Letterloan Weather Forecast

    • 9
    • 17

    Cloudy

    • 9
    • 14

    Light rain

    • 9
    • 13

    Light rain shower

    • 7
    • 13

    Cloudy

    • 6
    • 14

    Cloudy

    • 7
    • 15

    Cloudy

Today 19 Sep Northern Ireland

Mostly dry with sunny spells and the chance of an odd shower Friday. Showers become scattered Saturday but clear later to leave Sunday mainly dry.

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Letterloan Temperature Statistics

September Temperature

Magilligan No 2 (16km)

  • Lowest 13 September, 2025

    8.4 °C

  • Average September

    13.6 °C

  • Highest 7 September, 2025

    19.3 °C

Climate (2020–Present)

Magilligan No 2 (16km)

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  • Average Low 2020–2025

    7.5 °C

  • Average 2020–2025

    10.4 °C

  • Average High 2020–2025

    13.2 °C
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