Click on a day for an hourly weather forecast
The temperatures in Argenteuil in September are comfortable with low of 13°C and and high up to 22°C.
The wather in Argenteuil in September can vary between cold and nice weather days. Expect a few rainy days but usually not more than 3.
Our weather forecast can give you a great sense of what weather to expect in Argenteuil in September 2026.
If you’re planning to visit Argenteuil in the near future, we highly recommend that you review the 14 day weather forecast for Argenteuil before you arrive.
| Month | Temperatures | Rainy Days | Dry Days | Snowy Days | Rainfall | Weather | More details |
|---|---|---|---|---|---|---|---|
| January | 7° / 2° | 6 | 22 | 3 | 37 mm | Bad | Argenteuil in January |
| February | 8° / 2° | 6 | 19 | 4 | 37 mm | Bad | Argenteuil in February |
| March | 12° / 4° | 4 | 26 | 1 | 33 mm | Ok | Argenteuil in March |
| April | 16° / 7° | 2 | 27 | 0 | 31 mm | Good | Argenteuil in April |
| May | 19° / 9° | 5 | 27 | 0 | 52 mm | Good | Argenteuil in May |
| June | 23° / 13° | 4 | 26 | 0 | 58 mm | Perfect | Argenteuil in June |
| July | 25° / 15° | 3 | 28 | 0 | 53 mm | Perfect | Argenteuil in July |
| August | 25° / 15° | 3 | 28 | 0 | 45 mm | Perfect | Argenteuil in August |
| September | 22° / 13° | 2 | 28 | 0 | 27 mm | Good | Argenteuil in September |
| October | 17° / 10° | 4 | 27 | 0 | 38 mm | Good | Argenteuil in October |
| November | 11° / 6° | 4 | 25 | 1 | 40 mm | Ok | Argenteuil in November |
| December | 8° / 3° | 6 | 23 | 2 | 49 mm | Bad | Argenteuil in December |