Click on a day for an hourly weather forecast
The temperatures in Alkmaar in September are usually low and can range between 14°C and 18°C.
You can expect about 3 to 8 days of rain in Alkmaar 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 Alkmaar in September 2024.
If you’re planning to visit Alkmaar in the near future, we highly recommend that you review the 14 day weather forecast for Alkmaar before you arrive.
| Month | Temperatures | Rainy Days | Dry Days | Snowy Days | Rainfall | Weather | More details |
|---|---|---|---|---|---|---|---|
| January | 6° / 3° | 8 | 18 | 5 | 85 mm | Awful | Alkmaar in January |
| February | 6° / 3° | 7 | 16 | 5 | 65 mm | Awful | Alkmaar in February |
| March | 9° / 4° | 6 | 24 | 1 | 52 mm | Ok | Alkmaar in March |
| April | 12° / 7° | 3 | 26 | 1 | 46 mm | Ok | Alkmaar in April |
| May | 15° / 10° | 6 | 25 | 0 | 82 mm | Good | Alkmaar in May |
| June | 18° / 13° | 6 | 24 | 0 | 99 mm | Good | Alkmaar in June |
| July | 20° / 15° | 7 | 24 | 0 | 124 mm | Ok | Alkmaar in July |
| August | 21° / 16° | 8 | 23 | 0 | 142 mm | Ok | Alkmaar in August |
| September | 18° / 14° | 6 | 24 | 0 | 109 mm | Good | Alkmaar in September |
| October | 14° / 11° | 8 | 23 | 0 | 115 mm | Ok | Alkmaar in October |
| November | 10° / 7° | 8 | 22 | 1 | 102 mm | Bad | Alkmaar in November |
| December | 7° / 5° | 9 | 19 | 3 | 105 mm | Awful | Alkmaar in December |