Helensburgh Weather Forecast

    • 11
    • 17

    Cloudy

    • 13
    • 16

    Light rain

    • 13
    • 16

    Heavy rain shower

    • 15
    • 16

    Cloudy

    • 15
    • 17

    Light rain

    • 13
    • 18

    Light rain

Today 2 Sep Strathclyde

Showers and brighter spells, but always with the risk of outbreaks merging to longer periods of rain at times across the south of the area.

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Helensburgh Temperature Statistics

September Temperature

Glasgow/bishopton (16km)

  • Lowest 1 September, 2025

    13 °C

  • Average September

    13.3 °C

  • Highest 1 September, 2025

    13.5 °C

Climate (2020–Present)

Glasgow/bishopton (16km)

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  • Average Low 2020–2025

    6.4 °C

  • Average 2020–2025

    9.6 °C

  • Average High 2020–2025

    13.1 °C
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