The climate of Oslo in September is humid. An average of 128 mm precipitation is recorded over 15 days. The situation is drier than the previous month: in August, the average recorded is 161 mm over 21 days.
Temperatures are rather cool in Oslo in September, but remain tolerable with appropriate clothing. The average maximum temperature reaches 15°C, while the minimum falls to about 8°C. The month's average temperature is 11°C. These normals should be compared with the records recorded in Oslo in September: 24°C as a maximum in 2016 and 0°C as a minimum in 2018. We can expect about 6 days with temperatures above 18°, i.e. 20% of the month.
In September, the days last on average 12:52 in Oslo. The sun rises around 05:45 and sets around 18:37.
With only fair weather, the month of September is not the best month of the year, but a stay to Oslo in Norway remains possible depending on your priorities.
In September, the most favorable activities in Oslo are: Cultural visits and heritage, Nightlife, Gastronomy and Well-being.
Some activities remain possible even if conditions are not optimal: Beach and swimming, Hiking and trekking, Family and attractions, Nature and landscapes and Boat trip and cruise.
