Weather in Barcelona in September
In an average September, Barcelona sees a daily high around 25°C and a low around 16°C, based on 1980–2026 of local climate records.
| Average high | 25°C |
|---|---|
| Typical high range | 22°C to 28°C |
| Average low | 16°C |
| Typical low range | 13°C to 19°C |
| Average daily precipitation | 3 mm |
September records
The most extreme September on record for each metric, across 1980–2026. For rainfall, the wettest and driest are by total September accumulation.
High
Highest
32°C
2026-09-06
Lowest
16°C
1994-09-21
Low
Highest
23°C
2026-09-08
Lowest
7°C
2007-09-28
Feels-like
Highest
42°C
2016-09-04
Lowest
4°C
1995-09-26
Humidity
Highest
20.1 g/m³
2026-09-04
Lowest
6.0 g/m³
2020-09-25
Wind
Highest
33 km/h
1994-09-23
Lowest
6 km/h
2014-09-22
Gust
Highest
79 km/h
2019-09-11
Lowest
16 km/h
2008-09-23
Precip
Wettest
220 mm
1995
Driest
27 mm
1985
See Barcelona's live weather grade →
Visiting Barcelona in September? See how its comfort stacks up against where you live.
Compare Barcelona with your city →