Santiago de Compostela weather in September 2026

Expect daytime maximum temperatures of 22°C in Santiago de Compostela, Spain in September based on long-term weather averages. There are 6 hours of sunshine per day on average with 12 days with some rainfall and typically 105 mm of rainfall in the month.

  • 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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More about Spain

How hot is it in Santiago de Compostela in September?

Daytime temperatures usually reach 27°C in Santiago de Compostela in September with no heat and humidity, falling to 14°C at night.

How sunny is it in Santiago de Compostela in September?

There are normally 8 hours of bright sunshine each day in Santiago de Compostela in September - that's 66% of daylight hours.

Does it rain in Santiago de Compostela in September?

There are usually 7 days with some rain in Santiago de Compostela in September and the average monthly rainfall is 27mm.

Santiago de Compostela September sunrise & sunset times

Browse the sunrise and sunset times for Santiago de Compostela in September 2026. Select a month to view Santiago de Compostela sunrise and sunset times for the next 12 months.

JanFebMarAprMayJunJulAugSepOctNovDec

Date Sunrise times Sunset times
Tuesday, 1st September 2026 06:59 20:09
Tuesday, 15th September 2026 07:14 19:44
Wednesday, 30th September 2026 07:30 19:17

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