Great Falls, MT weather in September 1998

Temperature for September 1998

In September 1998 the average high temperature in Great Falls, MT was 80.8°F, and this was 7.0°F warmer than the average of 73.9°F. The hottest day in September 1998 was 8 September when the temperature reached 95.0°F. Overnight the average temperature in September is 42.9°F and in 1998 the average overnight temperature was 5.5°F warmer at 48.4°F.

Precipitation for September 1998

In September the average monthly rainfall in Great Falls, MT is 1.36 inches with rain usually falling on 6 days. In September 1998 there was a total of 1.00 inches of rain, that fell on 5 days.