Click on a day for an hourly weather forecast
The weather in Catalonia in September is hot. The average temperatures are between 20°C and 25°C.
You can expect about 3 to 8 days of rain in Catalonia during the month of September. It’s a good idea to bring along your umbrella so that you don’t get caught in poor weather.
Our weather forecast can give you a great sense of what weather to expect in Catalonia in September 2025.
If you’re planning to visit Catalonia in the near future, we highly recommend that you review the 14 day weather forecast for Catalonia before you arrive.
| Month | Temperatures | Rainy Days | Dry Days | Snowy Days | Rainfall | Weather | More details |
|---|---|---|---|---|---|---|---|
| January | 14° / 8° | 3 | 28 | 0 | 50 mm | Good | Catalonia in January |
| February | 14° / 8° | 3 | 25 | 0 | 36 mm | Good | Catalonia in February |
| March | 15° / 10° | 3 | 28 | 0 | 69 mm | Good | Catalonia in March |
| April | 17° / 12° | 5 | 25 | 0 | 79 mm | Good | Catalonia in April |
| May | 21° / 15° | 3 | 28 | 0 | 58 mm | Good | Catalonia in May |
| June | 25° / 19° | 3 | 27 | 0 | 55 mm | Perfect | Catalonia in June |
| July | 28° / 22° | 2 | 29 | 0 | 41 mm | Perfect | Catalonia in July |
| August | 28° / 23° | 3 | 28 | 0 | 57 mm | Perfect | Catalonia in August |
| September | 25° / 20° | 5 | 25 | 0 | 101 mm | Perfect | Catalonia in September |
| October | 22° / 17° | 4 | 27 | 0 | 110 mm | Good | Catalonia in October |
| November | 18° / 13° | 4 | 26 | 0 | 81 mm | Good | Catalonia in November |
| December | 15° / 10° | 2 | 29 | 0 | 35 mm | Good | Catalonia in December |