September in Aquiraz is the windiest, the sunniest, and the coldest month of the year. In September, the weather in Aquiraz is typically hot. Average daily high temperature in September is about 28 degrees above zero. On average, Aquiraz has 22 sunny and 8 partly cloudy days in September. September as well as August, October, and November is considered the most comfortable time to visit Aquiraz.