Loch Ness weather in September 2025

Expect 14°C daytime maximum temperatures in the shade with on average 3 hours of sunshine per day in Loch Ness in September. Check more long-term weather averages for Loch Ness in September before you book your next holiday to Scotland in 2025/2026.

  • 14°C maximum daytime temperature in September in Loch Ness14
    14°C max day temperature
  • 3 hours of sunshine per day
  • 22 days with some rainfall in September in Loch Ness22
    22 days with some rainfall
  • 7°C minimum night-time temperature in September in Loch Ness7
    7°C min night temperature
  • 13 hours of daylight per day in September in Loch Ness13
    13 hours of daylight per day
  • No heat & humidity in September in Loch Ness0
    No heat & humidity
  • 112 mm monthly rainfall in September in Loch Ness112
    112 mm of monthly rainfall
  • UV (maximum) index 3 (Moderate) in September in Loch Ness3
    3 (Moderate) UV index

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Loch Ness by month

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The September weather guide for Scotland (Loch Ness) shows long term weather averages processed from data supplied by CRU (University of East Anglia), the Met Office & the Netherlands Meteorological Institute. Find out more about our data sources.

Metric (°C / mm)  |  Imperial (°F / inches)

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More about Scotland

How warm is it in Loch Ness in September?

Daytime temperatures usually reach 14°C in Loch Ness in September, falling to 7°C at night.

How sunny is it in Loch Ness in September?

There are normally 3 hours of bright sunshine each day in Loch Ness in September - that's 22% of daylight hours.

Does it rain in Loch Ness in September?

There are usually 22 days with some rain in Loch Ness in September and the average monthly rainfall is 112mm.

Loch Ness September sunrise & sunset times

Browse the sunrise and sunset times for Loch Ness in September 2025. Select a month to view Loch Ness sunrise and sunset times for the next 12 months.

JanFebMarAprMayJunJulAugSepOctNovDec

Date Sunrise times Sunset times
Monday, 1st September 2025 05:20 19:15
Monday, 15th September 2025 05:49 18:36
Tuesday, 30th September 2025 06:20 17:55

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