Click on a day for an hourly weather forecast
The temperatures in Cantabria in September are comfortable with low of 17°C and and high up to 21°C.
You can expect a few rainy days in Cantabria during September, but usually the weather is comfortable in September.
Our weather forecast can give you a great sense of what weather to expect in Cantabria in September 2025.
If you’re planning to visit Cantabria in the near future, we highly recommend that you review the 14 day weather forecast for Cantabria before you arrive.
| Month | Temperatures | Rainy Days | Dry Days | Snowy Days | Rainfall | Weather | More details |
|---|---|---|---|---|---|---|---|
| January | 12° / 9° | 7 | 24 | 0 | 110 mm | Bad | Cantabria in January |
| February | 12° / 9° | 7 | 20 | 1 | 112 mm | Bad | Cantabria in February |
| March | 13° / 9° | 5 | 26 | 0 | 71 mm | Ok | Cantabria in March |
| April | 15° / 11° | 4 | 26 | 0 | 55 mm | Good | Cantabria in April |
| May | 16° / 12° | 4 | 27 | 0 | 52 mm | Good | Cantabria in May |
| June | 19° / 15° | 4 | 26 | 0 | 66 mm | Good | Cantabria in June |
| July | 21° / 17° | 2 | 29 | 0 | 35 mm | Good | Cantabria in July |
| August | 22° / 18° | 2 | 29 | 0 | 34 mm | Good | Cantabria in August |
| September | 21° / 17° | 2 | 28 | 0 | 41 mm | Good | Cantabria in September |
| October | 19° / 15° | 3 | 28 | 0 | 74 mm | Good | Cantabria in October |
| November | 15° / 12° | 7 | 23 | 0 | 111 mm | Ok | Cantabria in November |
| December | 13° / 10° | 5 | 26 | 0 | 80 mm | Ok | Cantabria in December |