Click on a day for an hourly weather forecast
The temperatures in Coimbra in September are comfortable with low of 13°C and and high up to 25°C.
You can expect about 3 to 8 days of rain in Coimbra 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 Coimbra in September 2025.
If you’re planning to visit Coimbra in the near future, we highly recommend that you review the 14 day weather forecast for Coimbra before you arrive.
| Month | Temperatures | Rainy Days | Dry Days | Snowy Days | Rainfall | Weather | More details |
|---|---|---|---|---|---|---|---|
| January | 8° / 2° | 8 | 17 | 6 | 101 mm | Awful | Coimbra in January |
| February | 10° / 2° | 6 | 17 | 5 | 108 mm | Bad | Coimbra in February |
| March | 12° / 4° | 8 | 20 | 3 | 107 mm | Awful | Coimbra in March |
| April | 15° / 5° | 8 | 20 | 2 | 101 mm | Bad | Coimbra in April |
| May | 20° / 8° | 5 | 26 | 0 | 75 mm | Good | Coimbra in May |
| June | 24° / 11° | 3 | 27 | 0 | 44 mm | Perfect | Coimbra in June |
| July | 28° / 14° | 1 | 30 | 0 | 18 mm | Perfect | Coimbra in July |
| August | 29° / 14° | 1 | 30 | 0 | 13 mm | Good | Coimbra in August |
| September | 25° / 13° | 3 | 27 | 0 | 46 mm | Perfect | Coimbra in September |
| October | 18° / 9° | 5 | 26 | 0 | 116 mm | Good | Coimbra in October |
| November | 11° / 5° | 6 | 22 | 1 | 104 mm | Ok | Coimbra in November |
| December | 9° / 3° | 7 | 22 | 2 | 125 mm | Awful | Coimbra in December |