George Best Belfast City Airport Weather Forecast

    • 12
    • 19

    Cloudy

    • 14
    • 17

    Light rain

    • 11
    • 17

    Cloudy

    • 10
    • 14

    Light rain

    • 10
    • 13

    Light rain shower

    • 10
    • 13

    Cloudy

    • 10
    • 14

    Cloudy

Today 17 Sep Northern Ireland

The morning will begin cloudy with outbreaks of rain. This rain will clear north as bright or sunny spells increase during the morning. The afternoon will continue dry with sunny spells. Maximum Temperature 18C.

Tonight 17 Sep Northern Ireland

The evening will be dry with clear periods. Cloud will increase from the late evening but the night will stay dry with clear spells. Minimum Temperature 9C.

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George Best Belfast City Airport Temperature Statistics

September Temperature

Aldergrove (23km)

  • Lowest 13 September, 2025

    7.6 °C

  • Average September

    13.3 °C

  • Highest 6 September, 2025

    18.2 °C

Climate (2020–Present)

Aldergrove (23km)

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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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