Castledawson Weather Forecast

    • 10
    • 16

    Cloudy

    • 14
    • 17

    Cloudy

    • 10
    • 17

    Light rain shower

    • 12
    • 15

    Partly cloudy

    • 11
    • 16

    Light rain shower

    • 11
    • 16

    Cloudy

Today 28 Sep Northern Ireland

All parts will have a dry day with some sunshine but high cloud spilling east later. Maximum temperature 17 °C.

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Castledawson Temperature Statistics

September Temperature

Lough Fea Samos (17km)

  • Lowest 23 September, 2026

    10 °C

  • Average September

    14.6 °C

  • Highest 21 September, 2026

    22.3 °C

Climate (2021–2026)

Lough Fea Samos (17km)

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  • Average Low 2021–2026

    6.6 °C

  • Average 2021–2026

    9.4 °C

  • Average High 2021–2026

    12.3 °C
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