September in Vaya is the rainiest month of the year. In September, the weather in Vaya is typically cold. Average daily high temperature in September is about 9 degrees above zero. On average, Vaya has 26 rainy, 2 sunny, and 2 cloudy days in September. The rains are usually moderate. September as well as January, February, April, and October is considered the most uncomfortable time to visit Vaya.