Lanark weather in September 2025

Expect 15°C daytime maximum temperatures in the shade with on average 4 hours of sunshine per day in Lanark in September. Check more long-term weather averages for Lanark in September before you book your next holiday to Scotland in 2025/2026.

  • 15°C maximum daytime temperature in September in Lanark15
    15°C max day temperature
  • 4 hours of sunshine per day
  • 19 days with some rainfall in September in Lanark19
    19 days with some rainfall
  • 7°C minimum night-time temperature in September in Lanark7
    7°C min night temperature
  • 13 hours of daylight per day in September in Lanark13
    13 hours of daylight per day
  • No heat & humidity in September in Lanark0
    No heat & humidity
  • 100 mm monthly rainfall in September in Lanark100
    100 mm of monthly rainfall
  • UV (maximum) index 3 (Moderate) in September in Lanark3
    3 (Moderate) UV index

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The September weather guide for Scotland (Lanark) 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 Lanark in September?

Daytime temperatures usually reach 15°C in Lanark in September, falling to 7°C at night.

How sunny is it in Lanark in September?

There are normally 4 hours of bright sunshine each day in Lanark in September - that's 28% of daylight hours.

Does it rain in Lanark in September?

There are usually 19 days with some rain in Lanark in September and the average monthly rainfall is 100mm.

Lanark September sunrise & sunset times

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

JanFebMarAprMayJunJulAugSepOctNovDec

Date Sunrise times Sunset times
Monday, 1st September 2025 05:20 19:08
Monday, 15th September 2025 05:47 18:32
Tuesday, 30th September 2025 06:16 17:53

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