Barcelona weather in September
September is one of the least pleasant months in Barcelona: highs of 32°C (89°F) and about 89 mm (3.5 in) of rain on average. Nights average 25°C (77°F) and cloud cover 63% (NASA POWER, 2001–2025 averages). It is the 3rd wettest month of the year and the 3rd warmest. Compared with August, it is warmer and drier; October brings highs of 32°C (89°F) and 80 mm (3.1 in) of rain.
Is September a good time to visit Barcelona?
least pleasant month Weather score 69/100.
September is one of the least pleasant months for weather in Barcelona. For better conditions, consider Jan–Mar.
Does it rain a lot in Barcelona in September?
Some rain is normal: about 89 mm (3.5 in) falls in an average September. It is the 3rd wettest month of the year.
How warm is Barcelona in September?
Days average 32°C (89°F) and nights 25°C (77°F).
Barcelona weather by month
| Month | High | Low | Rain | Cloud | Weather |
|---|---|---|---|---|---|
| January | 31°C (87°F) | 23°C (73°F) | 20 mm | 48% | best |
| February | 31°C (88°F) | 22°C (72°F) | 13 mm | 46% | best |
| March | 32°C (89°F) | 23°C (74°F) | 11 mm | 52% | best |
| April | 33°C (91°F) | 24°C (76°F) | 20 mm | 63% | fair |
| May | 33°C (91°F) | 25°C (76°F) | 53 mm | 68% | least pleasant |
| June | 32°C (89°F) | 24°C (76°F) | 88 mm | 70% | least pleasant |
| July | 31°C (88°F) | 24°C (76°F) | 110 mm | 65% | least pleasant |
| August | 31°C (88°F) | 25°C (77°F) | 114 mm | 62% | least pleasant |
| September | 32°C (89°F) | 25°C (77°F) | 89 mm | 63% | least pleasant |
| October | 32°C (89°F) | 25°C (77°F) | 80 mm | 64% | least pleasant |
| November | 31°C (88°F) | 25°C (77°F) | 63 mm | 62% | fair |
| December | 31°C (87°F) | 24°C (74°F) | 52 mm | 53% | fair |
Sources: 2001–2025 monthly averages from NASA POWER (MERRA-2 reanalysis). Page updated . How we rate months