Holywood Weather Forecast

    • 14
    • 17

    Light rain

    • 11
    • 17

    Cloudy

    • 9
    • 13

    Light rain

    • 10
    • 13

    Light rain shower

    • 10
    • 13

    Cloudy

    • 10
    • 14

    Cloudy

Today 18 Sep Northern Ireland

The day will start dry with bright spells, rain will spread north from mid-morning becoming heavy in the south for a time in the afternoon. Maximum Temperature 18C.

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Holywood Temperature Statistics

September Temperature

Aldergrove (25km)

  • Lowest 13 September, 2025

    7.6 °C

  • Average September

    13.4 °C

  • Highest 6 September, 2025

    18.2 °C

Climate (2020–Present)

Aldergrove (25km)

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  • Average Low 2020–2025

    7.3 °C

  • Average 2020–2025

    10.3 °C

  • Average High 2020–2025

    13.3 °C
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