The Diamond Weather Forecast

    • 12
    • 15

    Heavy rain

    • 12
    • 15

    Heavy rain shower

    • 12
    • 15

    Cloudy

    • 13
    • 17

    Cloudy

    • 12
    • 16

    Partly cloudy

    • 13
    • 17

    Cloudy

Today 14 Sep Northern Ireland

A dry start. Rain will then spread northeast across all parts through the rest of the morning, clearing away late afternoon. Maximum Temperature 15C.

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The Diamond Temperature Statistics

September Temperature

Aldergrove (4km)

  • Lowest 8 September, 2025

    9.2 °C

  • Average September

    13.6 °C

  • Highest 6 September, 2025

    18.2 °C

Climate (2020–Present)

Aldergrove (4km)

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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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