Newcastle Weather Forecast

    • 14
    • 18

    Heavy rain

    • 10
    • 17

    Cloudy

    • 8
    • 13

    Heavy rain

    • 9
    • 13

    Partly cloudy

    • 8
    • 13

    Cloudy

    • 9
    • 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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Newcastle Temperature Statistics

September Temperature

Glenanne (40km)

  • Lowest 13 September, 2025

    6.7 °C

  • Average September

    12.3 °C

  • Highest 4 September, 2025

    17.3 °C

Climate (2020–Present)

Glenanne (40km)

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  • Average Low 2020–2025

    6.7 °C

  • Average 2020–2025

    9.6 °C

  • Average High 2020–2025

    12.7 °C
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