Glasgow weather in September 2025

Expect 15°C daytime maximum temperatures in the shade with on average 4 hours of sunshine per day in Glasgow in September based on long-term weather averages. There is usually 19 days with some rainfall and 132 mm of average monthly rainfall in September.

  • 15°C maximum daytime temperature in September in Glasgow15
    15°C max day temperature
  • 4 hours of sunshine per day
  • 19 days with some rainfall in September in Glasgow19
    19 days with some rainfall
  • 9°C minimum night-time temperature in September in Glasgow9
    9°C min night temperature
  • 13 hours of daylight per day in September in Glasgow13
    13 hours of daylight per day
  • No heat & humidity in September in Glasgow0
    No heat & humidity
  • 132 mm monthly rainfall in September in Glasgow132
    132 mm of monthly rainfall
  • UV (maximum) index 3 (Moderate) in September in Glasgow3
    3 (Moderate) UV index

More about Glasgow

Glasgow by month

Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec

Recommended for Scotland

Point A Hotels: FREE breakfast with direct bookings

  • Book directly for FREE breakfast included with stays
  • Offer available at 9/11 hotels across the UK
  • Add breakfast when booking for offer to apply
Go to Point A Hotels deal >>

View all Point A Hotels offers

The September weather guide for Scotland (Glasgow) 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)

Back to top

More about Scotland

How warm is it in Glasgow in September?

Daytime temperatures usually reach 15°C in Glasgow in September, falling to 9°C at night.

How sunny is it in Glasgow in September?

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

Does it rain in Glasgow in September?

There are usually 19 days with some rain in Glasgow in September and the average monthly rainfall is 132mm.

Glasgow September sunrise & sunset times

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

JanFebMarAprMayJunJulAugSepOctNovDec

Date Sunrise times Sunset times
Monday, 1st September 2025 05:22 19:11
Monday, 15th September 2025 05:49 18:34
Tuesday, 30th September 2025 06:18 17:55

Related posts

Popular travel offers

Explore holidays in the sun for less

More holidays

Airport parking

More parking

Airport lounges

More lounges

Top ^