Early autumn · Weather & things to do
Barcelona in September
Barcelona cools off: highs slip to 81°F (27°C), from 88°F in August, with lows of 65°F (18°C) and about 2.3 in (59 mm) of rain.
September opens the best stretch on our comfort score, at 88/100 (3rd of 12).

- Avg high
- 81°F (27°C)
- Avg low
- 65°F (18°C)
- Rain
- 2.3 in (59 mm)
- Humidity
- 70%
- Cloud cover
- 56%
- Daylight
- ~12 h 16 min
- Comfort score
- 88/100 · Great
What September feels like
Days are warm, averaging 81°F (27°C), easy weather for being outside from morning to evening.
Lows average 65°F (18°C).
About 2.3 in (59 mm) of rain falls in a typical year's September.
Plan around September
September is one of Barcelona's best months on the climate data.
- Start of the wettest three-month stretch (September – November), which brings about 7.2 in (183 mm) in total.
- Opens the best-scoring stretch on our comfort score: March – June, September and November.
- Last of the best-scoring months: by October, the score drops to 82/100.
- Comfort improves from 78/100 in August to 88/100.
- September sits inside the May – Jun, Sep window our Barcelona, Girona & the Costa Brava route recommends.
What to pack for September
- Light, breathable clotheshighs average 81°F
- Comfortable walking shoesmost places below are best reached on foot or with short walks
What to do in Barcelona in September
September is good outdoor weather here, so these picks lean toward the open air.
Bunkers del Carmel
Civil War anti-aircraft site on Turó de la Rovira with a 360° city view.
Why now September scores 88/100 for comfort, good conditions for being outside.
Palau de la Música Catalana
Modernist concert hall with a stained-glass skylight; tours or concerts.
Park Güell
Hillside park of mosaic terraces and Gaudí structures overlooking the city.
Why now Highs near 81°F and 2.3 in of monthly rain make this an easy outdoor pick.
Gothic Quarter
Medieval lanes around the cathedral, Plaça del Rei and Roman wall remains.
El Xampanyet
Tiled cava bar near the Picasso Museum, busy since the 1920s.
Nearby in September
- Girona in September~53 mi · highs 76°F, 2.3 in rain · 3°C (5°F) cooler by day, about as wet
- Calella de Palafrugell in September~63 mi · highs 77°F, 2.3 in rain · 2°C (4°F) cooler by day, about as wet
- Cadaqués in September~84 mi · highs 77°F, 1.9 in rain · 2°C (4°F) cooler by day, about as wet
- Avignon in September~222 mi · highs 80°F, 2.4 in rain · similar daytime temperatures, about as wet
NASA POWER 2001–2025 monthly averages on a ~50 km grid, temperatures adjusted from the grid cell's ~302 m to Barcelona's ~33 m elevation (standard lapse rate). Comfort scores weigh temperature, rain, humidity and cloud: see how we score each month. Check a forecast before you go.
Barcelona in September: quick answers
Is September a good time to visit Barcelona?
Yes. On the climate data it's one of the best months, scoring 88/100. Expect highs of 81°F (27°C) and 2.3 in (59 mm) of rain. September is inside the May – Jun, Sep window our Barcelona, Girona & the Costa Brava route recommends.
How hot is Barcelona in September?
Average highs are 81°F (27°C) and average lows 65°F (18°C), making it the 4th-warmest month by daytime highs.
Does it rain a lot in Barcelona in September?
Not much: about 2.3 in (59 mm) of rain falls across September on average, the 2nd-wettest month of the year. The annual total is about 20.4 in (518 mm).
What should I pack for Barcelona in September?
Bring light, breathable clothes (highs average 81°F) and comfortable walking shoes (most places below are best reached on foot or with short walks).
More on Barcelona
Routes in season in September
- Barcelona, Girona & the Costa Brava May – Jun, Sep
Planning Barcelona in September?
Bring the crew into one shared trip: vote on dates, build the day-by-day plan, split costs and share one packing list.





