Click on a day for an hourly weather forecast
The temperatures in Saint Hilaire Du Rosier in September are quite cold with temperatures between 9°C and 18°C, warm clothes are a must.
You can expect about 3 to 8 days of rain in Saint Hilaire Du Rosier 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 Saint Hilaire Du Rosier in September 2026.
If you’re planning to visit Saint Hilaire Du Rosier in the near future, we highly recommend that you review the 14 day weather forecast for Saint Hilaire Du Rosier before you arrive.
| Month | Temperatures | Rainy Days | Dry Days | Snowy Days | Rainfall | Weather | More details |
|---|---|---|---|---|---|---|---|
| January | 2° / -3° | 5 | 8 | 18 | 127 mm | Awful | Saint Hilaire Du Rosier in January |
| February | 3° / -3° | 6 | 7 | 16 | 105 mm | Awful | Saint Hilaire Du Rosier in February |
| March | 8° / 1° | 7 | 13 | 12 | 112 mm | Awful | Saint Hilaire Du Rosier in March |
| April | 12° / 4° | 7 | 17 | 6 | 103 mm | Awful | Saint Hilaire Du Rosier in April |
| May | 15° / 6° | 10 | 18 | 3 | 157 mm | Bad | Saint Hilaire Du Rosier in May |
| June | 20° / 10° | 9 | 21 | 0 | 140 mm | Ok | Saint Hilaire Du Rosier in June |
| July | 22° / 12° | 8 | 23 | 0 | 117 mm | Ok | Saint Hilaire Du Rosier in July |
| August | 22° / 12° | 6 | 25 | 0 | 101 mm | Good | Saint Hilaire Du Rosier in August |
| September | 18° / 9° | 6 | 24 | 0 | 90 mm | Good | Saint Hilaire Du Rosier in September |
| October | 13° / 6° | 7 | 21 | 4 | 117 mm | Awful | Saint Hilaire Du Rosier in October |
| November | 8° / 2° | 6 | 14 | 10 | 141 mm | Bad | Saint Hilaire Du Rosier in November |
| December | 4° / -2° | 7 | 10 | 15 | 141 mm | Awful | Saint Hilaire Du Rosier in December |