Santander weather in September 2026

Expect daytime maximum temperatures of 22°C in Santander, Spain in September based on long-term weather averages. There are 5 hours of sunshine per day on average with 13 days with some rainfall and typically 86 mm of rainfall in the month.

  • 22°C maximum daytime temperature in September in Santander22
    22°C max day temperature
  • 5 hours of sunshine per day
  • 13 days with some rainfall in September in Santander13
    13 days with some rainfall
  • 14°C minimum night-time temperature in September in Santander14
    14°C min night temperature
  • 12 hours of daylight per day in September in Santander12
    12 hours of daylight per day
  • No heat & humidity in September in Santander0
    No heat & humidity
  • 86 mm monthly rainfall in September in Santander86
    86 mm of monthly rainfall
  • UV (maximum) index 6 (High) in September in Santander6
    6 (High) UV index
  • 20°C sea temperature in September in Santander20
    20°C sea temperature

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The September weather guide for Spain (Santander) 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 Santander in September?

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

How sunny is it in Santander in September?

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

Does it rain in Santander in September?

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

Santander September sunrise & sunset times

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

JanFebMarAprMayJunJulAugSepOctNovDec

Date Sunrise times Sunset times
Tuesday, 1st September 2026 06:39 19:51
Tuesday, 15th September 2026 06:55 19:26
Wednesday, 30th September 2026 07:11 18:58

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