Click on a day for an hourly weather forecast
The temperatures in Cauterets in September are usually low and can range between 10°C and 17°C.
You can expect about 3 to 8 days of rain in Cauterets 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 Cauterets in September 2026.
If you’re planning to visit Cauterets in the near future, we highly recommend that you review the 14 day weather forecast for Cauterets before you arrive.
| Month | Temperatures | Rainy Days | Dry Days | Snowy Days | Rainfall | Weather | More details |
|---|---|---|---|---|---|---|---|
| January | 3° / -2° | 5 | 10 | 17 | 144 mm | Awful | Cauterets in January |
| February | 3° / -2° | 5 | 7 | 16 | 127 mm | Awful | Cauterets in February |
| March | 6° / 0° | 7 | 9 | 16 | 127 mm | Awful | Cauterets in March |
| April | 9° / 3° | 10 | 10 | 10 | 162 mm | Awful | Cauterets in April |
| May | 13° / 6° | 12 | 14 | 5 | 160 mm | Awful | Cauterets in May |
| June | 17° / 10° | 11 | 18 | 1 | 153 mm | Ok | Cauterets in June |
| July | 21° / 12° | 8 | 23 | 0 | 124 mm | Ok | Cauterets in July |
| August | 21° / 13° | 6 | 24 | 0 | 102 mm | Good | Cauterets in August |
| September | 17° / 10° | 5 | 24 | 0 | 94 mm | Good | Cauterets in September |
| October | 13° / 7° | 5 | 23 | 3 | 117 mm | Bad | Cauterets in October |
| November | 7° / 2° | 7 | 12 | 11 | 167 mm | Awful | Cauterets in November |
| December | 5° / 0° | 5 | 13 | 14 | 126 mm | Awful | Cauterets in December |