September in Mananjary is the sunniest month of the year. In September, the weather in Mananjary is typically warm. Average daily high temperature in September is about 24 degrees above zero. On average, Mananjary has 19 sunny, 7 rainy, and 4 partly cloudy days 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 Mananjary.