Weather in Barcelona in September
September in Barcelona is warm outdoor weather. Days are long enough to be useful. Shade starts to matter at midday.
In Spain, this is how Barcelona actually wears September, not how a country centroid would. Compared with August and January, September sits in the middle of Barcelona's year.
- Average temp
- 22°C
18–26°C
- Rainfall
- 83 mm
Showers likely
- Sunshine
- 7.4 h
hours per day
What to expect
Daytime
Warm days in Barcelona in September. A hat starts to earn its keep at midday. Evenings are the comfortable part of the clock.
You can walk at more hours than in the fierce months. Still build in a pause when the sun is high. Nights are easy.
Rain
September is the wet side of the year in Barcelona. Days can be heavy. Plans that cannot survive rain are the wrong plans.
This is not a reason to skip Barcelona if you like the place. It is a reason to pack for weather and to stop treating every grey hour as a failed holiday.
Evening
Evenings are cooler. A layer helps after sunset.
What to pack
Sun protection
Rain jacket
A layer for cooler evenings
Where to stay in Barcelona
Dates are a starting point for September.
Travel guides for Barcelona
What to read before you book.
Average weather in Barcelona
TemperatureRainfall
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FAQs about Barcelona
Climate averages for Barcelona, 1991–2020.
The best time to visit Barcelona is between May and October, the most comfortable stretch of the year on these averages.
August is the hottest month, with an average around 25°C.
September is the wettest month, with about 83 mm of rain.
No. These are 1991–2020 climate normals from Meteostat, not a live forecast. Actual weather in any given week can differ.
