Great Falls, MT weather in September 1979

Temperature for September 1979

In September 1979 the average high temperature in Great Falls, MT was 81.6°F, and this was 7.7°F warmer than the average of 73.9°F. The hottest day in September 1979 was 9 September when the temperature reached 98.1°F. Overnight the average temperature in September is 42.9°F and in 1979 the average overnight temperature was 1.7°F warmer at 44.6°F.

Precipitation for September 1979

In September the average monthly rainfall in Great Falls, MT is 1.36 inches with rain usually falling on 6 days. In September 1979 there was a total of 0.37 inches of rain, that fell on 6 days.