Cut Bank Weather in September

The climate in Cut Bank during September can be summarized as mild and dry.

September is in the fall / autumn in Cut Bank and is typically the 4th warmest month of the year. Daytime maximum temperatures average around a cool 20°C (67°F), whilst at night 5°C (40°F) is normal.

On average September is the 5th wettest month of the year in Cut Bank with around 27mm 1.1 inches of rain making it a dry time to visit. This rainfall is typically spread over 6 days, although this may vary considerably.

On the flip side this corresponds to an average of 8.1 hours of sunshine per day.

The data used in these monthly averages covers a period of over 100 years right up until last year. As such they are a valid prediction of what to expect for the weather in Cut Bank in September 2025.