Weather By Day

September Spokane Weather 
September Spokane Weather
Record High: 98°F
Normal High: 72°F
Normal Low: 46°F
Record Low: 22°F
Avg Monthly Rain: 0.76"
Rec 1 Day Rain: 1.51"

Spokane Weather In September

The record high September temperature in Spokane Washington for the last 63 years was 98 degrees Fahrenheit, registered on September 5, 1988, and the average high is 72. The coldest September day in Spokane for the past 63 years was 22 most recently measured on September 23, 2000, and the typical low is 46.

According to National Weather Service historical Spokane September Weather data, on September 23, 1926, the high temperature did not exceed 39 degrees Fahrenheit, the lowest high measured in Spokane in the past 63 years. NWS data also shows that on September 24, 1938, the lowest measured temperature on that day did not drop below 69 degrees, the highest low temperature measured in Spokane in the last 63 years.

Weather Service historical data shows that the average daily high temperature in Spokane on September First is 78 degrees Fahrenheit and the average high on the last day of September is 68 degrees. The average recorded low temperature in Spokane on September First is 51 degrees Fahrenheit and the average low on the last day of September is 43 degrees.

Spokane typically receives an average of 0.76 inches of precipitation during the month. The most precipitation measured in a single day, as indicated by September Spokane Weather data, was 1.51 inches on September 13, 1927.