River Foyle - Cuttymanhill Weather Forecast

    • 12
    • 15

    Cloudy

    • 13
    • 18

    Cloudy

    • 9
    • 16

    Partly cloudy

    • 11
    • 15

    Cloudy

    • 8
    • 15

    Light rain shower

    • 9
    • 15

    Cloudy

    • 11
    • 16

    Overcast

Today 28 Sep Northern Ireland

It will stay dry for all parts throughout the day with variable and patchy cloud allowing long spells of sunshine to break through. Winds remaining light throughout. Maximum temperature 16 °C.

Tonight 28 Sep Northern Ireland

A dry and settled night with mostly cloudy skies, though some clear intervals are still possible. Winds will strengthen overnight, especially around the coasts. Minimum temperature 8 °C.

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River Foyle - Cuttymanhill Temperature Statistics

September Temperature

Castlederg (23km)

  • Lowest 20 September, 2026

    5.9 °C

  • Average September

    14 °C

  • Highest 21 September, 2026

    23 °C

Climate (2021–2026)

Castlederg (23km)

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  • Average Low 2021–2026

    6.2 °C

  • Average 2021–2026

    9.9 °C

  • Average High 2021–2026

    13.6 °C
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