In September, the weather in Dalanzadgad is typically warm. Average daily high temperature in September is about 20 degrees above zero. On average, Dalanzadgad has 18 sunny, 7 partly cloudy, 4 rainy, and 1 cloudy day in September. The rains are usually light. September as well as May, June, and August is considered the most comfortable time to visit Dalanzadgad.