Climate guide for Barcelona, Spain

Barcelona in September

Weather, crowds & best time to visit

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September · Spain

Best time to visit Barcelona in September Weather, crowds & prices

Weather in Barcelona in September

Average temperature 22°C, 115 mm of rain, about 28 days with 6+ hours of sunshine and 76% humidity — based on the five most recent complete years of ERA5 data (2021–2025).

September score

7.8/10

Ranked #12 of 12 months

Full year for Barcelona
Avg temp
22°C
Rainfall
115 mm
Humidity
76%
Days with 6h+ sun
28
Crowd Density
Quiet / Uncrowded
Average Expenses
$ · Budget Friendly ($)

September in Barcelona scores 7.8/10 for sightseeing and cultural travel - ranked #12 of 12. Expect around 22°C, 115 mm of rain, and roughly 28 days with 6+ hours of sunshine this month.

Modernisme, golden beaches, and lively tapas terraces come alive from April through June.

September in Barcelona — reliably good (12th best month)

At 22°C (71°F) this is comfortable city weather in September, with sightseeing easiest before lunch and after the afternoon peak.

115 mm of rain makes this a wet month here, though with about 28 days with 6+ hours of sunshine there is still bright weather between the fronts.

That is 7.8/10 on the same scale — 12th of 12 months, versus 9.1/10 for the best month here.

Pack light clothing, a hat and real sun protection, a proper rain shell rather than an umbrella.

Expect low-season pricing, and crowds are light for this destination.

View all 12 months

Ranked by pure climate comfort

Score scale: 0.0 → 10.0Quiet / UncrowdedModerate CrowdsPeak Tourist Rush

Frequently asked

What is the weather like in Barcelona in September?
In September, Barcelona averages 22°C, 115 mm of rain, and about 28 days with 6+ hours of sunshine. Its climate-comfort score is 7.8/10.
Is September a good time to visit Barcelona?
September earns a 7.8/10 climate-comfort score. Use the year-round chart to weigh the weather against your budget and crowd preferences.
How much does it rain in Barcelona in September?
Expect about 115 mm of rain in September. Average humidity is 76% and there are about 28 days with 6+ hours of sunshine.

Curated in Barcelona

Tickets & experiences

Things to do in Barcelona

Barcelona, Spain. Live activities and tours from GetYourGuide, matched to this destination.