Nashville, TN weather in September
In September, Nashville sees highs around 84°F and lows around 62°F: warm and often humid, with some rain. There are about 8 days with rain.
- Normal high
- 84°F
- Normal low
- 62°F
- Wet days
- 8
- 3.8 in total
- Muggy days
- 9
- dew point 65°F+
How September changes from start to finish
| September 1 | September 30 | |
|---|---|---|
| Normal high | 89°F | 80°F |
| Normal low | 66°F | 56°F |
| Chance of a wet day | 28% | 25% |
| Sunrise / sunset | 6:18 am / 7:15 pm | 6:41 am / 6:32 pm |
| Daylight | 12.9 h | 11.8 h |
Chance of a wet day: average for the first and last 7 days of the month. Times are local clock time (Central Time).
A typical September day
- 6 am64°Fdew point 60°F
- 9 am74°Fdew point 62°F
- Noon80°Fdew point 60°F
- 3 pm81°Fdew point 59°F
- 6 pm76°Fdew point 60°F
- 9 pm71°Fdew point 61°F
NOAA hourly normals (local standard time) from Nashville Intl Airport (6 mi away); average wind 6 mph; clear or few clouds in 29% of daytime hours, mostly cloudy or overcast in 45%.
What kind of days to expect
- Comfortable dayshigh 65-80°F and dew point under 60°F7 of 30
- Hot dayshigh 90°F or more7 of 30
- Muggy daysdaily mean dew point 65°F or more9 of 30
- Wet daysat least 0.01 in of rain or melted snow8 of 30
- Notable rainat least 0.10 in5 of 30
- Freezing nightslow 32°F or below0 of 30
- Snow on the groundsnow depth 1 in or more0 of 30
Average days per September, counted from daily records for each year 1991-2020.
Rain in September
Normal precipitation is 3.8 in; a dry September brings about 1.9 in and a wet one about 5.3 in (25th and 75th percentiles). About 3 days bring half an inch or more, and about 1 an inch or more.
How September varies from year to year
- Warmest September, 1991-20202019: average high 93°F
- Coolest September1996: average high 79°F
- Wettest September2009: 11.1 in
- Driest September2019: 0.02 in
- Highest reading99°F (September 16, 2019)
- Lowest reading38°F (September 26, 2001)
From the station's daily records with NOAA quality flags removed; most recent date shown when a reading repeats.
September compared with August and October
| August | September | October | |
|---|---|---|---|
| Normal high | 90°F | 84°F | 74°F |
| Normal low | 69°F | 62°F | 50°F |
| Wet days | 9 | 8 | 8 |
| Comfortable days | 1 | 7 | 16 |
| Daylight | 13.5 h | 12.4 h | 11.3 h |
Highs change by -6°F from August and -10°F into October.
Nearby alternatives in September
- Cooler: Gatlinburg, TN186 mi · high 78°F · 11 wet days
How Nashville ranks in September
- Normal high141st warmest of 378 cities; 2nd of 7 in Tennessee
- Wet days189th driest of 378
- Comfortable days187th most of 342
Heating and cooling
September has 14 heating degree days and 257 cooling degree days (base 65°F), 5% of the year's total heating and cooling demand.
Questions
How hot is Nashville in September?
The normal high is 84°F and the normal low is 62°F. From 1991 to 2020 the hottest September reading was 99°F (most recently on September 16, 2019).
Does it rain a lot in Nashville in September?
About 8 days in September have at least 0.01 in of precipitation, and the normal total is 3.8 in. The wettest September in 1991-2020 was in 2009 (11.1 in); the driest was in 2019 (0.02 in).
Is September a good time to visit Nashville?
September ranks 6th of 12 months on our comfort score for Nashville (54 out of 100). It has about 7 comfortable days and about 7 days at 90°F or hotter. The best month is April.
Where the numbers come from
- Temperature, rain, snowfall, frost dates, humidity and wind by hour and cloud cover: Nashville Intl Airport (USW00013897), 6.4 mi SE of the city center, 600 ft (178 ft higher than the city). NOAA normals and daily records, 1991-2020.
- Snow depth: Old Hickory Dam (USC00406803), 11 mi NE of the city center, 460 ft . NOAA normals and daily records, 1991-2020.
- Daily humidity and wind: Nashville International Airport (723270-13897), 6.8 mi SE of the city center, 587 ft (165 ft higher than the city). Hourly observations, 1991-2020.