Barcelona in September
Summer ease returns
The short answer
September is one of the best months to visit Barcelona.
Late-September warmth with the sea still at its best.
9/10 overall19–26°CHigh crowds€€€€ (High)
Weather9/10
Crowds5/10
Prices4/10
Events8/10
September in detail
What September actually feels like
- Weather
- 19–26°C
- Warm and golden, evenings turning pleasantly mild
- Crowds
- High
- Busy through the month; La Mercè adds a late-September surge
- Prices
- €€€€ (High)
- High, softening toward October outside La Mercè week
+Warm weather with slightly less intense heat.
–Crowds remain high; La Mercè can create an additional spike.
My tip for September
Check the La Mercè dates — wonderful if you want the festival, worth avoiding if you don't.
- Beach
- Walking
- Festivals
How September compares
Against the other eleven months
2nd of 12 overall in Barcelona, 2nd for weather, 9th for space, 9th for value. The emptiest month is January; the best value is January.
See all twelve months for BarcelonaPlan around
What’s on in Barcelona in September
- La Mercè
- Barcelona's major annual city festival, creating increased activity and crowds.
September
Not set on September?
Even stronger months in Barcelona
Ready to book September in Barcelona?
Warm weather with slightly less intense heat.
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