(STACKER) – Stacker compiled a ranking of the Septembers with the most precipitation in Illinois since 1895 using data from the National Centers for Environmental Information. Rankings are based on the highest total precipitation in each month. For each of the months listed below, we’ve included the total precipitation, state-wide highs and lows for the month, and the average state temperature.

#10. September 1921
– Total precipitation: 6.58 inches
– Average temperature: 70.3°F
– Monthly high temperature: 80.8°F
– Monthly low temperature: 59.7°F

#9. September 1936
– Total precipitation: 6.7 inches
– Average temperature: 69.9°F
– Monthly high temperature: 80.4°F
– Monthly low temperature: 59.3°F

#8. September 1965
– Total precipitation: 6.8 inches
– Average temperature: 65.9°F
– Monthly high temperature: 75.8°F
– Monthly low temperature: 55.9°F

#7. September 1961
– Total precipitation: 7.15 inches
– Average temperature: 68.1°F
– Monthly high temperature: 79.8°F
– Monthly low temperature: 56.4°F

#6. September 1993
– Total precipitation: 7.54 inches
– Average temperature: 61.6°F
– Monthly high temperature: 71.2°F
– Monthly low temperature: 52°F

#5. September 1945
– Total precipitation: 7.57 inches
– Average temperature: 66°F
– Monthly high temperature: 76°F
– Monthly low temperature: 55.9°F

#4. September 2008
– Total precipitation: 7.62 inches
– Average temperature: 67.1°F
– Monthly high temperature: 77.8°F
– Monthly low temperature: 56.4°F

#3. September 1970
– Total precipitation: 7.63 inches
– Average temperature: 68.3°F
– Monthly high temperature: 79.4°F
– Monthly low temperature: 57.2°F

#2. September 1911
– Total precipitation: 8.96 inches
– Average temperature: 68.8°F
– Monthly high temperature: 79.1°F
– Monthly low temperature: 58.6°F

#1. September 1926
– Total precipitation: 9.62 inches
– Average temperature: 66.5°F
– Monthly high temperature: 75.6°F
– Monthly low temperature: 57.4°F