Garrison Weather Forecast

    • 9
    • 16

    Cloudy

    • 8
    • 14

    Light rain

    • 7
    • 12

    Partly cloudy

    • 6
    • 13

    Overcast

    • 7
    • 14

    Overcast

    • 8
    • 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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Garrison Temperature Statistics

September Temperature

Castlederg (46km)

  • Lowest 8 September, 2025

    6.8 °C

  • Average September

    12.6 °C

  • Highest 6 September, 2025

    18.6 °C

Climate (2020–Present)

Castlederg (46km)

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  • Average Low 2020–2025

    6.1 °C

  • Average 2020–2025

    9.8 °C

  • Average High 2020–2025

    13.5 °C
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