Great Falls, MT weather in September 2003

Temperature for September 2003

In September 2003 the average high temperature in Great Falls, MT was 74.2°F, and this was 0.3°F warmer than the average of 73.9°F. The hottest day in September 2003 was 5 September when the temperature reached 93.9°F. Overnight the average temperature in September is 42.9°F and in 2003 the average overnight temperature was 1.7°F cooler at 41.2°F.

Precipitation for September 2003

In September the average monthly rainfall in Great Falls, MT is 1.36 inches with rain usually falling on 6 days. In September 2003 there was a total of 1.13 inches of rain, that fell on 8 days.