Barcelona in September

September in Barcelona brings highs around 79°F (26°C), lows near 64°F and about 6 rainy days. The sun sets around 8:02 pm. The sea is about 75°F (24°C). It's one of the most comfortable months for sightseeing.

Photo: dronepicr, CC BY 2.0

What September is good for in Barcelona

Each activity rated for September's weather and sea.

September next to August and October

Month	August	September	October
High	84°F (29°C)	79°F (26°C)	72°F (22°C)
Low	70°F (21°C)	64°F (18°C)	58°F (14°C)
Rainy days	4	6	6
Sea	78°F	75°F	70°F
Sunset	8:51 pm	8:02 pm	7:11 pm
Daylight	13 h 51 min	12 h 30 min	11 h 08 min

Averages for Barcelona Airport, 1991–2020; sunrise and sunset on the 15th. Barcelona water temperature by month.

Tours in Barcelona

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Questions

Is September a good time to visit Barcelona?

It's one of the most comfortable months for sightseeing. The most comfortable months overall are March, April, May, June, July, September, October and November.