September in Bluefield is the sunniest month of the year. In September, the weather in Bluefield is typically warm. Average daily high temperature in September is about 22 degrees above zero. On average, Bluefield has 15 sunny, 11 partly cloudy, 3 rainy, and 1 cloudy day in September. The rains are usually light. September as well as {{month_nom: February}}, and {{month_nom: February}} is considered the most comfortable time to visit Bluefield.