Blanes weather in September 2025

Expect daytime maximum temperatures of 77°F in Blanes, Costa Brava in September based on long-term weather averages. There are 6 hours of sunshine per day on average with typically 2.7 inches of rainfall in the month.

  • 77°F maximum daytime temperature in September in Blanes77
    77°F max day temperature
  • 6 hours of sunshine per day
  • 9 days with some rainfall in September in Blanes9
    9 days with some rainfall
  • 61°F minimum night-time temperature in September in Blanes61
    61°F min night temperature
  • 12 hours of daylight per day in September in Blanes12
    12 hours of daylight per day
  • No heat & humidity in September in Blanes0
    No heat & humidity
  • 2.7 inches monthly rainfall in September in Blanes2.7
    2.7 inches of monthly rainfall
  • UV (maximum) index 6 (High) in September in Blanes6
    6 (High) UV index
  • 73°F sea temperature in September in Blanes73
    73°F sea temperature

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The September weather guide for Costa Brava (Blanes) 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)  |  Imperial (°F)

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More about Spain

How hot is it in Blanes in September?

Daytime temperatures usually reach 77°F in Blanes in September with no heat and humidity, falling to 61°F at night.

How sunny is it in Blanes in September?

There are normally 6 hours of bright sunshine each day in Blanes in September - that's 51% of daylight hours.

How warm is the sea around Blanes in September?

The average sea temperature around Blanes in September is 73°F.

Does it rain in Blanes in September?

There are usually 9 days with some rain in Blanes in September and the average monthly rainfall is 2.7 inches.

Blanes September sunrise & sunset times

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

JanFebMarAprMayJunJulAugSepOctNovDec

Date Sunrise times Sunset times
Monday, 1st September 2025 06:15 19:22
Monday, 15th September 2025 06:29 18:58
Tuesday, 30th September 2025 06:45 18:32

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