Lettershendony Weather Forecast

    • 13
    • 17

    Light rain

    • 9
    • 16

    Sunny day

    • 11
    • 14

    Cloudy

    • 8
    • 15

    Light rain shower

    • 11
    • 15

    Cloudy

    • 12
    • 16

    Cloudy

    • 11
    • 16

    Overcast

Today 29 Sep Northern Ireland

A dry and cloudy start with light outbreaks of rain possible by late morning. Cloudy with light rain possible through the afternoon. Brisk southeasterly winds will be strong at times with coastal gales. Maximum temperature 18 °C.

Tonight 29 Sep Northern Ireland

Cloudy with a band of heavy rain spreading east through the evening, accompanied by strong winds and severe coastal gales. Rain clears east overnight, leaving clear skies and easing winds. Minimum temperature 12 °C.

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Lettershendony Temperature Statistics

September Temperature

Magilligan No 2 (26km)

  • Lowest 23 September, 2026

    7.7 °C

  • Average September

    14.2 °C

  • Highest 6 September, 2026

    22.4 °C

Climate (2021–2026)

Magilligan No 2 (26km)

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  • Average Low 2021–2026

    7.7 °C

  • Average 2021–2026

    10.6 °C

  • Average High 2021–2026

    13.4 °C
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