In September, the weather in Toyama is typically warm. Average daily high temperature in September is about 23 degrees above zero. On average, Toyama has 10 sunny, 9 partly cloudy, 8 rainy, and 3 cloudy days in September. The rains are usually heavy. September as well as {{month_nom: February}}, and {{month_nom: February}} is considered the most comfortable time to visit Toyama.