September weather forecast in Foz do Iguaçu

September in Foz do Iguaçu is the windiest month of the year. In September, the weather in Foz do Iguaçu is typically warm. Average daily high temperature in September is about 26 degrees above zero. On average, Foz do Iguaçu has 15 sunny, 10 rainy, and 5 partly cloudy days in September. The rains are usually heavy.