September in Hazelbrook is the sunniest month of the year. In September, the weather in Hazelbrook is typically warm. Average daily high temperature in September is about 19 degrees above zero. On average, Hazelbrook has 25 sunny, 3 partly cloudy, and 2 rainy days in September. The rains are usually light. September as well as April, October, and December is considered the most comfortable time to visit Hazelbrook.