Silent Valley Reservoir Weather Forecast

    • 5
    • 10

    Light rain

    • 5
    • 9

    Light rain shower

    • 6
    • 10

    Cloudy

    • 7
    • 12

    Light rain

    • 6
    • 10

    Cloudy

    • 7
    • 11

    Light rain

Today 7 Sep Northern Ireland

A dry bright start then cloud and showers spreading from the west, some heavy. Brightening up again later. Maximum temperature 18 °C.

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Silent Valley Reservoir Temperature Statistics

September Temperature

Glenanne (34km)

  • Lowest 5 September, 2026

    10.4 °C

  • Average September

    14.2 °C

  • Highest 2 September, 2026

    20.4 °C

Climate (2021–2026)

Glenanne (34km)

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  • Average Low 2021–2026

    6.9 °C

  • Average 2021–2026

    9.8 °C

  • Average High 2021–2026

    12.8 °C
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