Barcelona in September
Numbers fall after the first week, then La Mercè closes the summer with four days of free concerts and human towers.
Is September a good time to visit Barcelona?
September is a middling month in Barcelona — crowds around 76/100. Not the worst, but January is noticeably calmer.
What’s on in September
- La Mercè city festival (around 24 September)
- Catalan National Day (11 September)
Best days in September
Weekdays are almost always calmer than weekends.
Tue is normally the calmest day of the week.
Best hours in September
The daily rhythm, hour by hour.
The 9:00 AM window is usually the calmest of the day.
Weather in September
Typical highs, lows and wet days.
How September compares
Every month in Barcelona, ranked by how calm it is.
Quieter alternatives
If your dates are flexible, these months are calmer in Barcelona.
Book things to do
Tours and tickets in Barcelona, from our booking partner.




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Frequently asked questions
Is September a good month to visit Barcelona?
September is a middling month in Barcelona — crowds around 76/100. Not the worst, but January is noticeably calmer.
How crowded is Barcelona in September?
Barcelona sits at roughly 76/100 in September on our crowd scale, which is 10 points above the yearly average. The quietest month is January.
What is the weather like in Barcelona in September?
Expect highs around 26°C and lows near 18°C in September, with about 6 wet days across the month.