Great Falls, MT weather in September 1974

Temperature for September 1974

In September 1974 the average high temperature in Great Falls, MT was 72.9°F, and this was 1.0°F cooler than the average of 73.9°F. The hottest day in September 1974 was 26 September when the temperature reached 87.1°F. Overnight the average temperature in September is 42.9°F and in 1974 the average overnight temperature was 3.1°F cooler at 39.8°F.

Precipitation for September 1974

In September the average monthly rainfall in Great Falls, MT is 1.36 inches with rain usually falling on 6 days. In September 1974 there was a total of 1.99 inches of rain, that fell on 9 days.