In September, the weather in Skedsmo is typically warm. Average daily high temperature in September is about 13 degrees above zero. On average, Skedsmo has 13 rainy, 8 sunny, 8 partly cloudy, and 1 cloudy day in September. The rains are usually moderate. September as well as March, April, May, and July is considered the most uncomfortable time to visit Skedsmo.