Barcelona Weather in September

What's the weather like in Barcelona (Catalonia) in September 2023?

The climate in Barcelona during September can be summarized as warm, humid and reasonably dry.

September is in the fall / autumn in Barcelona and is typically the 3rd warmest month of the year. Daytime maximum temperatures average around a muggy 25°C (77°F), whilst at night 17°C (62°F) is normal.

Barcelona weather averages (imperial / metric)
Daytime temperature 24.8°C 76.6°F
Nightly temperature 16.9°C 62.3°F
Average temperature 20.8°C 69.4°F
Daily sunshine 7.3 hrs
Avg rainfall 75 mm 3 ins
Rainy days 9 days
Sea temperature 23.6°C 74.5°F
Humidity 73%
Windspeed 10.8kph 7 mph

On average September is the 2nd wettest month of the year in Barcelona with around 75mm 3 inches of rain making it a reasonably dry time to visit. This rainfall is typically spread over 9 days, although this may vary considerably.

On the flip side this corresponds to an average of 7.3 hours of sunshine per day.

September temperatures in Barcelona

Barcelona average temperature in September

September rainfall

Barcelona average rain in September

September hourly sunshine

Barcelona average rain in September

The data used in these monthly averages covers a period of over 100 years right up until last year. As such they are a valid prediction of what to expect for the weather in Barcelona in September 2023.

Other monthly averages

Best places to visit in September

UV index Best time to go?

Barcelona weather stats

Barcelona weather statistics
Hottest month: August 26.8°C 80.2°F
Driest month: July 25mm 1ins
Sunniest month: July 10.5hrs
Coldest month: January 12.8°C 55°F
Wettest month: October 84mm 3.3ins
Map showing location of Barcelona (41.38879, 2.15899)

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