September in Moshi is the windiest month of the year. In September, the weather in Moshi is typically warm. Average daily high temperature in September is about 23 degrees above zero. On average, Moshi has 15 cloudy, 9 partly cloudy, 5 sunny, and 1 rainy day in September. The rains are usually light. September as well as January, June, July, and August is considered the most comfortable time to visit Moshi.