September in Traralgon is the rainiest and the windiest month of the year. In September, the weather in Traralgon is typically warm. Average daily high temperature in September is about 15 degrees above zero. On average, Traralgon has 12 rainy, 9 partly cloudy, 8 sunny, and 1 cloudy day in September. The rains are usually light. September as well as June, July, and August is considered the most uncomfortable time to visit Traralgon.