September in Tamworth is the windiest month of the year. In September, the weather in Tamworth is typically warm. Average daily high temperature in September is about 18 degrees above zero. On average, Tamworth has 24 sunny, 4 partly cloudy, and 2 rainy days in September. The rains are usually light. September as well as March, April, and October is considered the most comfortable time to visit Tamworth.