Great Falls, MT weather in September 1985

Temperature for September 1985

In September 1985 the average high temperature in Great Falls, MT was 60.2°F, and this was 13.7°F cooler than the average of 73.9°F. The hottest day in September 1985 was 4 September when the temperature reached 73.9°F. Overnight the average temperature in September is 42.9°F and in 1985 the average overnight temperature was 5.2°F cooler at 37.7°F.

Precipitation for September 1985

In September the average monthly rainfall in Great Falls, MT is 1.36 inches with rain usually falling on 6 days. In September 1985 there was a total of 3.48 inches of rain, that fell on 20 days.