Great Falls, MT weather in September 2008

Temperature for September 2008

In September 2008 the average high temperature in Great Falls, MT was 71.6°F, and this was 2.3°F cooler than the average of 73.9°F. The hottest day in September 2008 was 19 September when the temperature reached 86.0°F. Overnight the average temperature in September is 42.9°F and in 2008 the average overnight temperature was 1.5°F cooler at 41.4°F.

Precipitation for September 2008

In September the average monthly rainfall in Great Falls, MT is 1.36 inches with rain usually falling on 6 days. In September 2008 there was a total of 2.30 inches of rain, that fell on 0 days.