The climate of Rotterdam in September is humid. An average of 94 mm precipitation is recorded over 16 days. The situation is drier than the previous month: in August, the average recorded is 128 mm over 19 days.
Temperatures are rather cool in Rotterdam in September, but remain tolerable with appropriate clothing. The average maximum temperature reaches 18°C, while the minimum falls to about 15°C. The month's average temperature is 17°C. These normals should be compared with the records recorded in Rotterdam in September: 28°C as a maximum in 2016 and 9°C as a minimum in 2013. We can expect about 16 days with temperatures above 18°, i.e. 53% of the month.
In September, the days last on average 12:40 in Rotterdam. The sun rises around 06:18 and sets around 18:58.
With favorable weather, the month of September is a good month to travel to Rotterdam in the Netherlands.
In September, the most favorable activities in Rotterdam are: Beach and swimming, Cultural visits and heritage, Family and attractions, Watersports, Nature and landscapes, Nightlife, Gastronomy and Boat trip and cruise.
