In September, the weather in Shirokovskij is typically warm. Average daily high temperature in September is about 11 degrees above zero. On average, Shirokovskij has 15 rainy, 6 partly cloudy, 5 cloudy, and 4 sunny days in September. The rains are usually heavy. September as well as January, February, April, and June is considered the most uncomfortable time to visit Shirokovskij.