Loch Grannoch Weather Forecast

    • 10
    • 13

    Light rain

    • 7
    • 11

    Light rain

    • 2
    • 8

    Heavy rain

    • 1
    • 7

    Partly cloudy

    • 2
    • 7

    Cloudy

    • 2
    • 8

    Cloudy

    • 3
    • 9

    Cloudy

Today 18 Sep South West Scotland and Lothian Borders

Cloudy, the chance of an odd shower. Outbreaks of rain spread north and east from the early afternoon. Maximum Temperature 18C.

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Loch Grannoch Temperature Statistics

September Temperature

Dundrennan (28km)

  • Lowest 14 September, 2025

    9.3 °C

  • Average September

    13.4 °C

  • Highest 6 September, 2025

    18.2 °C

Climate (2020–Present)

Dundrennan (28km)

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  • Average Low 2020–2025

    7.2 °C

  • Average 2020–2025

    9.7 °C

  • Average High 2020–2025

    12.1 °C
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