Nashville weather in September
September in Nashville: hot, a little rain, with clean air — an excellent time to visit.
#4 of 12 months in Nashville · #228 of 604 destinations to visit in September · comfort 84/100 (tier A)
Updated June 2026 · climate normals from ERA5 reanalysis
Nashville climate normals — September
| Daytime high | 28°C / 83°F | 🥵 hot |
|---|---|---|
| Nighttime low | 19°C / 65°F | |
| Feels like (high) | 31°C / 88°F | |
| Rainfall | 71 mm / 2.8 in | 🌦 some rain |
| Rainy days | 7 days | |
| Humidity | 67% | 💧 humid |
| Dew point | 16°C / 60°F | |
| Sunshine | 10.1 h/day | |
| Daylight | 12.4 h | |
| Wind | 11 km/h / 7 mph | |
| Air quality (US AQI) | 46 | 🍃 good |
Monthly averages from ERA5 reanalysis. AQI is the mean US Air Quality Index for the month.
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Nashville in September — FAQ
- Is September a good time to visit Nashville?
- September in Nashville: hot, a little rain, with clean air — an excellent time to visit. It ranks #4 of 12 months for Nashville on SeasonMap's comfort score (84/100).
- What is the weather like in Nashville in September?
- In September, Nashville averages a daily high of 28.4°C and a low of 18.5°C, with about 71.2 mm of rain over roughly 7 rainy days.
- What is the air quality in Nashville in September?
- Nashville has a mean US Air Quality Index of about 46 in September.