Storm Lake September Weather Statistics

Storm Lake had an average high temperature of 77 degrees during the month of September.

There were 13 days when the temperature reached 80-degrees or higher last month. On September 20th, the temperature got as high as 93 degrees in Storm Lake. Several cities in Iowa hit record-high temperatures on that date, and Storm Lake just missed the record-high mark of 94-degrees for September 20th, which was set back in 1937.

The average low temperature in Storm Lake for September was 54. The temperature fell to 36 degrees this past Wednesday, September 28th.

There was a total of 1.37 inches of rain for September measured outside the Storm Lake Radio stations.