Santiago de Compostela weather in September 2025

Expect 22°C daytime maximum temperatures in the shade with on average 6 hours of sunshine per day in Santiago de Compostela in September. Check more long-term weather averages for Santiago de Compostela in September before you book your next holiday to Spain in 2025/2026.

  • 22°C maximum daytime temperature in September in Santiago de Compostela22
    22°C max day temperature
  • 6 hours of sunshine per day
  • 12 days with some rainfall in September in Santiago de Compostela12
    12 days with some rainfall
  • 13°C minimum night-time temperature in September in Santiago de Compostela13
    13°C min night temperature
  • 12 hours of daylight per day in September in Santiago de Compostela12
    12 hours of daylight per day
  • No heat & humidity in September in Santiago de Compostela0
    No heat & humidity
  • 105 mm monthly rainfall in September in Santiago de Compostela105
    105 mm of monthly rainfall
  • UV (maximum) index 6 (High) in September in Santiago de Compostela6
    6 (High) UV index

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The September weather guide for Spain (Santiago de Compostela) 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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How hot is it in Santiago de Compostela in September?

Daytime temperatures usually reach 22°C in Santiago de Compostela in September, falling to 13°C at night.

How sunny is it in Santiago de Compostela in September?

There are normally 6 hours of bright sunshine each day in Santiago de Compostela in September - that's 49% of daylight hours.

Does it rain in Santiago de Compostela in September?

There are usually 12 days with some rain in Santiago de Compostela in September and the average monthly rainfall is 105mm.

Santiago de Compostela September sunrise & sunset times

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

JanFebMarAprMayJunJulAugSepOctNovDec

Date Sunrise times Sunset times
Monday, 1st September 2025 06:59 20:08
Monday, 15th September 2025 07:14 19:44
Tuesday, 30th September 2025 07:30 19:17

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