Typical Weather in Bangor, ME in September

70° F Avg High

49° F Avg Low

6 Rainy Days

☀️ Temperature Summary

In Bangor, September stands out as one of the warmer months, featuring average high temperatures near 70°F. You can expect overnight lows near 49°F most days. Daily high temperatures can range between 75°F and 64°F for the month of September.

September is a great time to visit Bangor, with mild temperatures and sunny days being very common.

High Temps Throughout the Year

☔ Rain Summary

In September you can expect close to a 20% chance of rain for any given day. It rains less than usual in September, with total rainfall for the month typically near 4 inches.