Great Falls, MT weather in September 1997

Temperature for September 1997

In September 1997 the average high temperature in Great Falls, MT was 76.1°F, and this was 2.2°F warmer than the average of 73.9°F. The hottest day in September 1997 was 25 September when the temperature reached 84.9°F. Overnight the average temperature in September is 42.9°F and in 1997 the average overnight temperature was 4.1°F warmer at 47.0°F.

Precipitation for September 1997

In September the average monthly rainfall in Great Falls, MT is 1.36 inches with rain usually falling on 6 days. In September 1997 there was a total of 0.28 inches of rain, that fell on 3 days.