One thing that is for sure, September 2020 will be nothing like September 2019.Last year was not only the hottest September ever in Louisville, it was the driest month in the city's history with only 0.04" of rain. The flash drought caused a lot of damage and stress to the vegetation.Louisville had 22 days in the 90's during September 2019 which was a record.The weather will be much cooler during September this year and it is already much wetter.The first 58 hours of this month have had 72 times as much rain than fell for all of September 2019.======The weather averages for Louisville during September:September 1:Average high: 85°Average low: 66°September 30:Average high: 75°Average low: 55°September averages around 3.1 inches of rain.Daylight decreases by 71 minutes during the month.Hottest ever during September in Louisville: 104°Coldest: 33°Rainiest: 10.91"Driest: 004"Here is the September temperature outlook from the Climate Prediction Center.A definite below normal trend for the nation's mid-section into the western part of the Ohio Valley.For Louisville the CPC says......There is a 34% chance for below normal temperatures33% chance for near normal33% for above normal===Rain for SeptemberFor Louisville the CPC says.....There is a 34% chance for near normal rain33% chance for above normal rain 33% chance for below normal rainThis forecast was issued before Louisville started off the month very wet with 80% of the average total for the month in the first 60 hours of the month.===Here are the weekly forecasts of temperature departure from normal from the Eurpean computer model.====================This forecast sets the stage for an overall warm fall season forecast for the U.S.