Nashville weather in September
Long-run climate averages for Nashville, TN in September, plus what the forecast models say for the days ahead.
In September, Nashville averages 82°F by day and 64°F at night. It is the wettest month of the year here.
September in Nashville averages a daytime high of 82°F and an overnight low of 64°F, which reads as warm for this part of the world. It is also the wettest month, so build rain into any plan. Across the whole year Nashville sees roughly 61 inches of precipitation.
Climate averages tell you what to pack. They do not tell you what next Tuesday looks like - for that, see the live Nashville forecast with every model compared and how much they currently agree.
Nashville weather by month
what to expect in Nashville through the yearHere is Nashville's typical weather in each month: the average daytime high and overnight low in °F, how each month feels, and the wettest month marked. Use it to plan any trip to Nashville by season.
Bottom line: over the last 30 days the European model has been the most accurate forecast for Nashville, scoring 85/100 on our CheckWeather Score, ahead of the American at 71. See the full US accuracy scoreboard for exactly how every model is tested.
Common questions
How warm is Nashville in September?
Is September a good time to visit Nashville?
Does it rain a lot in Nashville in September?
Climate averages from ERA5 reanalysis. Model accuracy re-scored over a rolling 30 days. Page updated .