In September, the weather in Jiamusi is typically warm. Average daily high temperature in September is about 20 degrees above zero. On average, Jiamusi has 17 sunny, 10 partly cloudy, 2 rainy, and 1 cloudy day in September. The rains are usually moderate. September as well as {{month_nom: February}}, and {{month_nom: February}} is considered the most comfortable time to visit Jiamusi.