Last updated: June 24, 2025
In September, the average temperature in Nashville, United States hovers around 23°C (73°F). However, temperatures can vary widely, with a minimum of 8°C (47°F) and a maximum reaching 35°C (95°F). Expect an average precipitation of 64 mm (2.5 in) over about 7 days, accompanied by a pleasantly high humidity level of 79%.
In September in Nashville, the average temperature is 23°C (73°F), with maximums possibly reaching 35°C (95°F) and minimums dropping as low as 8°C (47°F). It's a great time to enjoy a variety of outdoor activities, so pack accordingly for both the warm days and cooler evenings!
In Nashville in September, the precipitation amount is 64 mm (2.5 in) accumulated over a period of 7 days.
In Nashville in September humidity is 79%. With an average temperature of 23°C (73°F), this humidity feels like a warm embrace that clings to the skin, making travel feel both invigorating and slightly exhausting as the air wraps around you like a damp blanket.
In Nashville in September, the maximum UV index is 9, which corresponds to a very high Exposure Category. The time to burn is just 15 minutes, so it's essential to take precautions. For detailed information, you can check the Hourly UV Index in Nashville.
UV Risk Categories
Weather in Nashville varies notably across the year, with each month offering distinct climate conditions. This page compares September’s weather to other months in Nashville, focusing on differences in temperature, rainfall, humidity, and UV levels.
Temperature | Precipitation | Humidity | UV | |
---|---|---|---|---|
January Weather | 1°C (34°F) | 88 mm (3.5 inches) | 84% | moderate |
February Weather | 3°C (37°F) | 101 mm (4.0 inches) | 82% | moderate |
March Weather | 9°C (48°F) | 142 mm (5.6 inches) | 84% | high |
April Weather | 13°C (57°F) | 137 mm (5.4 inches) | 83% | very high |
May Weather | 20°C (69°F) | 164 mm (6.5 inches) | 80% | extreme |
June Weather | 25°C (78°F) | 94 mm (3.7 inches) | 83% | extreme |
July Weather | 27°C (81°F) | 90 mm (3.6 inches) | 82% | very high |
August Weather | 25°C (77°F) | 110 mm (4.3 inches) | 82% | very high |
September Weather | 23°C (73°F) | 64 mm (2.5 inches) | 79% | very high |
October Weather | 16°C (60°F) | 121 mm (4.8 inches) | 79% | high |
November Weather | 7°C (45°F) | 85 mm (3.4 inches) | 88% | moderate |
December Weather | 5°C (40°F) | 79 mm (3.1 inches) | 87% | moderate |