Barcelona weather in September 2026

Q: How hot is it in Barcelona in September?

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

Q: How sunny is it in Barcelona in September?

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

Q: Does it rain in Barcelona in September?

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

Expect daytime maximum temperatures of 25°C in Barcelona, Spain 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
25°C max day temperature
7
7 hours of sunshine per day
9
9 days with some rainfall
17
17°C min night temperature
12
12 hours of daylight per day
L
Low heat & humidity
73
73 mm of monthly rainfall
6
6 (High) UV index
24
24°C sea temperature

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The September weather guide for Spain (Barcelona) 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)

More about Spain

How hot is it in Barcelona in September?

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

How sunny is it in Barcelona in September?

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

Does it rain in Barcelona in September?

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

Barcelona September sunrise & sunset times

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

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