Click on a day for an hourly weather forecast
The temperatures in Morlaix in September are usually low and can range between 12°C and 19°C.
You can expect about 3 to 8 days of rain in Morlaix 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 Morlaix in September 2026.
If you’re planning to visit Morlaix in the near future, we highly recommend that you review the 14 day weather forecast for Morlaix before you arrive.
| Month | Temperatures | Rainy Days | Dry Days | Snowy Days | Rainfall | Weather | More details |
|---|---|---|---|---|---|---|---|
| January | 9° / 5° | 11 | 18 | 1 | 166 mm | Bad | Morlaix in January |
| February | 9° / 5° | 10 | 16 | 2 | 142 mm | Awful | Morlaix in February |
| March | 11° / 5° | 7 | 23 | 1 | 92 mm | Bad | Morlaix in March |
| April | 13° / 6° | 6 | 24 | 0 | 90 mm | Ok | Morlaix in April |
| May | 16° / 9° | 5 | 26 | 0 | 83 mm | Good | Morlaix in May |
| June | 18° / 11° | 6 | 24 | 0 | 110 mm | Good | Morlaix in June |
| July | 20° / 13° | 6 | 25 | 0 | 88 mm | Good | Morlaix in July |
| August | 20° / 13° | 5 | 26 | 0 | 98 mm | Good | Morlaix in August |
| September | 19° / 12° | 5 | 25 | 0 | 70 mm | Good | Morlaix in September |
| October | 16° / 10° | 7 | 24 | 0 | 128 mm | Ok | Morlaix in October |
| November | 12° / 8° | 10 | 20 | 0 | 165 mm | Bad | Morlaix in November |
| December | 10° / 7° | 11 | 19 | 1 | 185 mm | Bad | Morlaix in December |