In September, the weather in Novy Nekouz is typically warm. Average daily high temperature in September is about 15 degrees above zero. On average, Novy Nekouz has 11 rainy, 10 partly cloudy, 5 cloudy, and 4 sunny days in September. The rains are usually moderate. September as well as March, April, October, and November is considered the most uncomfortable time to visit Novy Nekouz.