September in Port Vila is the sunniest month of the year. In September, the weather in Port Vila is typically warm. Average daily high temperature in September is about 25 degrees above zero. On average, Port Vila has 15 partly cloudy, 11 sunny, 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 Port Vila.