Click on a day for an hourly weather forecast
The temperatures in Roanne in September are quite cold with temperatures between 9°C and 21°C, warm clothes are a must.
You can expect about 3 to 8 days of rain in Roanne 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 Roanne in September 2026.
If you’re planning to visit Roanne in the near future, we highly recommend that you review the 14 day weather forecast for Roanne before you arrive.
| Month | Temperatures | Rainy Days | Dry Days | Snowy Days | Rainfall | Weather | More details |
|---|---|---|---|---|---|---|---|
| January | 5° / -1° | 9 | 14 | 8 | 98 mm | Awful | Roanne in January |
| February | 7° / -1° | 7 | 15 | 6 | 85 mm | Awful | Roanne in February |
| March | 12° / 1° | 8 | 21 | 2 | 83 mm | Awful | Roanne in March |
| April | 15° / 4° | 8 | 22 | 1 | 119 mm | Ok | Roanne in April |
| May | 18° / 6° | 10 | 20 | 0 | 183 mm | Ok | Roanne in May |
| June | 22° / 10° | 11 | 19 | 0 | 185 mm | Ok | Roanne in June |
| July | 25° / 12° | 9 | 22 | 0 | 167 mm | Good | Roanne in July |
| August | 25° / 12° | 7 | 24 | 0 | 132 mm | Good | Roanne in August |
| September | 21° / 9° | 6 | 24 | 0 | 97 mm | Good | Roanne in September |
| October | 16° / 6° | 6 | 24 | 0 | 107 mm | Good | Roanne in October |
| November | 10° / 3° | 8 | 20 | 2 | 126 mm | Awful | Roanne in November |
| December | 7° / 1° | 9 | 17 | 5 | 109 mm | Awful | Roanne in December |