What September feels like in Nashville
Early autumn arrives in Nashville with September. Expect proper heat in the afternoon — slow down between noon and four. After sunset it cools off noticeably — nights stay mild. Some humidity hangs in the air, noticeable when the sun is strong.
Rain in Nashville in September
Showers are a regular feature, arriving about one day in 3. Rainy days are intense, averaging about 13.3 mm (0.5 in) — downpours rather than drizzle. The yearly figure is similar, around 10.8 mm per wet day.
Daylight and sunshine in September
On 15 September the sun rises at about 6:29 am and sets around 6:56 pm local time, giving 12 h 28 min of daylight. Evenings are drawing in — 1 h 7 min less daylight than mid-August. About 78% of daylight hours are sunny; in short, there are plenty of bright spells.
How September compares to the rest of the year
Ranked by average high, September comes out as the 4th warmest month in Nashville. Afternoons run 3.1°C (5.6°F) cooler than in August, with 12 mm less rain. Temperatures keep falling into October. October averages a high of 22°C (71.6°F).
Who September suits
- Sightseeing: a good fit — the weather rarely gets in the way of a city walk.
- Parks & outdoor: less ideal — afternoons are too warm to linger outside.
Tips for visiting Nashville in September
Versatile Layers
Days are noticeably warmer than nights — layers you can add or remove.
Rain Protection
Keep a small umbrella in your bag and wear shoes that cope with puddles.
Sunglasses
Bright days make sunglasses worth packing.
Quick questions
How warm is Nashville in September?
Expect around 28°C (82.4°F) in the afternoon and 18.1°C (64.6°F) at night, which most visitors would call hot.
Does it rain a lot in Nashville in September?
It does: about 9 rainy days bring roughly 120 mm, so plan some indoor options.
What should I wear in Nashville in September?
The numbers point to versatile layers, rain protection and sunglasses. Evenings feel similar to the day, so the same clothes work from morning to night.
Is September or October better for visiting Nashville?
On our 12-month climate ranking, October comes out ahead (#1 of 12 vs #2). October is cooler.