In September, the weather in Kirkjubour is typically warm. Average daily high temperature in September is about 11 degrees above zero. On average, Kirkjubour has 21 rainy, 4 cloudy, 3 sunny, and 2 partly cloudy days in September. The rains are usually moderate. September as well as January, February, March, and April is considered the most uncomfortable time to visit Kirkjubour.