The climate of Alkmaar in September is humid. An average of 109 mm precipitation is recorded over 16 days. The situation is drier than the previous month: in August, the average recorded is 142 mm over 20 days.
Temperatures are rather cool in Alkmaar in September, but remain tolerable with appropriate clothing. The average maximum temperature reaches 18°C, while the minimum falls to about 14°C. The month's average temperature is 16°C. These normals should be compared with the records recorded in Alkmaar in September: 29°C as a maximum in 2016 and 8°C as a minimum in 2010. We can expect about 17 days with temperatures above 18°, i.e. 57% of the month.
In September, the days last on average 12:41 in Alkmaar. The sun rises around 06:15 and sets around 18:56.
With favorable weather, the month of September is a good month to travel to Alkmaar in the Netherlands.
In September, the most favorable activities in Alkmaar are: Cultural visits and heritage, Nightlife and Gastronomy.
Some activities remain possible even if conditions are not optimal: Family and attractions and Nature and landscapes.