St Andrews weather in September 2025

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

  • 15°C maximum daytime temperature in September in St Andrews15
    15°C max day temperature
  • 4 hours of sunshine per day
  • 17 days with some rainfall in September in St Andrews17
    17 days with some rainfall
  • 8°C minimum night-time temperature in September in St Andrews8
    8°C min night temperature
  • 13 hours of daylight per day in September in St Andrews13
    13 hours of daylight per day
  • No heat & humidity in September in St Andrews0
    No heat & humidity
  • 70 mm monthly rainfall in September in St Andrews70
    70 mm of monthly rainfall
  • UV (maximum) index 3 (Moderate) in September in St Andrews3
    3 (Moderate) UV index
  • 13°C sea temperature in September in St Andrews13
    13°C sea temperature

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The September weather guide for Scotland (St Andrews) 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 St Andrews in September?

Daytime temperatures usually reach 15°C in St Andrews in September, falling to 8°C at night.

How sunny is it in St Andrews in September?

There are normally 4 hours of bright sunshine each day in St Andrews in September - that's 31% of daylight hours.

How warm is the sea around St Andrews in September?

The average sea temperature around St Andrews in September is 13°C.

Does it rain in St Andrews in September?

There are usually 17 days with some rain in St Andrews in September and the average monthly rainfall is 70mm.

St Andrews September sunrise & sunset times

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

JanFebMarAprMayJunJulAugSepOctNovDec

Date Sunrise times Sunset times
Monday, 1st September 2025 05:15 19:06
Monday, 15th September 2025 05:43 18:29
Tuesday, 30th September 2025 06:13 17:48

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