Sitges weather in September 2025

Expect daytime maximum temperatures of 25°C in Sitges, Costa Dorada in September based on long-term weather averages. There are 7 hours of sunshine per day on average with typically 73 mm of rainfall in the month.

  • 25°C maximum daytime temperature in September in Sitges25
    25°C max day temperature
  • 7 hours of sunshine per day
  • 8 days with some rainfall in September in Sitges8
    8 days with some rainfall
  • 16°C minimum night-time temperature in September in Sitges16
    16°C min night temperature
  • 12 hours of daylight per day in September in Sitges12
    12 hours of daylight per day
  • Low heat & humidity in September in SitgesL
    Low heat & humidity
  • 73 mm monthly rainfall in September in Sitges73
    73 mm of monthly rainfall
  • UV (maximum) index 6 (High) in September in Sitges6
    6 (High) UV index
  • 24°C sea temperature in September in Sitges24
    24°C sea temperature

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The September weather guide for Costa Dorada (Sitges) 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 Sitges in September?

Daytime temperatures usually reach 25°C in Sitges in September with low heat and humidity, falling to 16°C at night.

How sunny is it in Sitges in September?

There are normally 7 hours of bright sunshine each day in Sitges in September - that's 56% of daylight hours.

How warm is the sea around Sitges in September?

The average sea temperature around Sitges in September is 24°C.

Does it rain in Sitges in September?

There are usually 8 days with some rain in Sitges in September and the average monthly rainfall is 73mm.

Sitges September sunrise & sunset times

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

JanFebMarAprMayJunJulAugSepOctNovDec

Date Sunrise times Sunset times
Monday, 1st September 2025 06:19 19:25
Monday, 15th September 2025 06:33 19:02
Tuesday, 30th September 2025 06:49 18:36

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