Nashville weather in September: Nashville, Tennessee: normal highs, lows, rain and records for September
Nashville in September has a normal high of 84°F and a normal low of 62°F, a daily mean of 73°F, falling from 89°F on the 1st to 80°F by the 30th. Measurable precipitation falls on 8 days in a normal September, 3.80 inches in all. (NOAA 1991-2020 normals)
In metric: a normal high of 29°C and low of 17°C, 97 mm of precipitation in September.
- NOAA stationNashville International Airport
- Station IDUSW00013897
- Location36.12°N 86.69°W
- Elevation600 ft (183 m)
- From the center6 miles
- Population704,963
- Jan 49° 30°
- Feb 54° 33°
- Mar 63° 40°
- Apr 73° 49°
- May 80° 58°
- Jun 88° 66°
- Jul 91° 71°
- Aug 90° 69°
- Sep 84° 62°
- Oct 74° 50°
- Nov 61° 39°
- Dec 52° 33°
Each month: normal high (large) and low, °F. Fill: the month's normal mean, colder blue to hotter red.
How warm is Nashville in September?
The normal high is 84°F and the normal low 62°F, for a daily mean of 73.1°F. September is 6.6°F cooler than August and 11.4°F warmer than October. September is the 4th warmest month of the year in Nashville and the 10th wettest. Across the month the normal high falls 9°F, from 89°F on September 1 to 80°F on September 30. From one year to the next September's mean temperature typically moves about 2.5°F either way (NOAA's standard deviation), so roughly two Septembers in three average between 71°F and 76°F.
Bars above: each day's normal high to low. Columns below: the chance of 0.01 inch or more of precipitation that day, on a scale of 0 to 100% (highest 28%).
| Day | High | Low | Chance of 0.01 in | Chance of 0.10 in |
|---|---|---|---|---|
| September 1 | 89°F | 66°F | 28% | 17% |
| September 8 | 87°F | 65°F | 27% | 17% |
| September 15 | 85°F | 62°F | 26% | 17% |
| September 22 | 83°F | 60°F | 26% | 18% |
| September 30 | 80°F | 56°F | 25% | 17% |
Every day of September: normal high, low and chance of precipitation (warmest afternoon September 1, coldest night September 30)
| Day | High | Low | Chance of 0.01 in | Chance of 0.10 in | Daylight |
|---|---|---|---|---|---|
| September 1 | 89°F | 66°F | 28% | 17% | 13 h |
| September 2 | 88°F | 66°F | 28% | 17% | 13 h |
| September 3 | 88°F | 66°F | 28% | 17% | 12 h 50 min |
| September 4 | 88°F | 66°F | 28% | 17% | 12 h 50 min |
| September 5 | 88°F | 65°F | 28% | 17% | 12 h 50 min |
| September 6 | 87°F | 65°F | 27% | 17% | 12 h 50 min |
| September 7 | 87°F | 65°F | 27% | 17% | 12 h 50 min |
| September 8 | 87°F | 65°F | 27% | 17% | 12 h 40 min |
| September 9 | 87°F | 64°F | 27% | 17% | 12 h 40 min |
| September 10 | 86°F | 64°F | 27% | 17% | 12 h 40 min |
| September 11 | 86°F | 64°F | 27% | 17% | 12 h 40 min |
| September 12 | 86°F | 63°F | 26% | 17% | 12 h 30 min |
| September 13 | 85°F | 63°F | 26% | 17% | 12 h 30 min |
| September 14 | 85°F | 63°F | 26% | 17% | 12 h 30 min |
| September 15 | 85°F | 62°F | 26% | 17% | 12 h 30 min |
| September 16 | 84°F | 62°F | 26% | 17% | 12 h 30 min |
| September 17 | 84°F | 62°F | 26% | 17% | 12 h 20 min |
| September 18 | 84°F | 61°F | 26% | 17% | 12 h 20 min |
| September 19 | 84°F | 61°F | 26% | 17% | 12 h 20 min |
| September 20 | 83°F | 60°F | 26% | 17% | 12 h 20 min |
| September 21 | 83°F | 60°F | 26% | 17% | 12 h 10 min |
| September 22 | 83°F | 60°F | 26% | 18% | 12 h 10 min |
| September 23 | 82°F | 59°F | 26% | 18% | 12 h 10 min |
| September 24 | 82°F | 59°F | 25% | 17% | 12 h 10 min |
| September 25 | 81°F | 58°F | 25% | 17% | 12 h 10 min |
| September 26 | 81°F | 58°F | 25% | 17% | 12 h |
| September 27 | 81°F | 58°F | 25% | 17% | 12 h |
| September 28 | 80°F | 57°F | 25% | 17% | 12 h |
| September 29 | 80°F | 57°F | 25% | 17% | 12 h |
| September 30 | 80°F | 56°F | 25% | 17% | 11 h 50 min |
- Normal high
- 84°FSeptember average
- Normal low
- 62°FSeptember average
- Precipitation
- 3.80 inmonth total
- Days with precipitation
- 80.01 inch or more
- Days at 90°F or more
- 7
- Daylight
- 13 h to 11 h 50 minSeptember 1 to September 30
- Days at 70°F or more
- 29
- Days at 80°F or more
- 22
- Sunshine
- 79%of clear-sky sunlight (NASA)
Source: NOAA NCEI 1991-2020 daily normals, station USW00013897; monthly normals. Daylight is computed from the place's latitude with NOAA's solar equations.
Does it rain in Nashville in September?
On a given September day the chance of 0.01 inch or more is 26% on average, highest around September 1 (28%). In all, 3.80 in falls on 8 days of a normal September, 1 of them with an inch or more.
In a normal September in Nashville, 7 days reach 90°F.
Source: NOAA NCEI 1991-2020 daily and monthly normals, station USW00013897.
How humid and windy is Nashville in September?
At 3 p.m. the normal temperature is 77°F with 46% relative humidity and a dew point of 54°F; at 6 a.m. it is 58°F with 86% humidity. The wind averages 5.8 mph, most often from the north in the afternoon.
| Time | Temperature | Dew point | Humidity | Wind | Clear or few clouds |
|---|---|---|---|---|---|
| 6 a.m. | 58°F | 54°F | 86% | 4.0 mph | 42% |
| 9 a.m. | 68°F | 56°F | 65% | 6.6 mph | 41% |
| noon | 75°F | 55°F | 50% | 8.1 mph | 32% |
| 3 p.m. | 77°F | 54°F | 46% | 8.1 mph | 34% |
| 6 p.m. | 71°F | 55°F | 56% | 5.7 mph | 47% |
| 9 p.m. | 65°F | 56°F | 72% | 5.0 mph | 57% |
Source: NOAA NCEI 1991-2020 hourly normals, station USW00013897. Hourly normals exist only for NOAA's first-order stations; a dash where NOAA publishes no value for that hour (the sky at some hours).
What are the records for September in Nashville?
The warmest September temperature on Nashville's official record (since 1873) is 105°F, on September 5, 1954; the coldest is 36°F, on September 30, 1949. The wettest September brought 11.44 in (1979).
The September mean against the 1991-2020 normal of 73.1°F: 2021 72.5°F (−0.5), 2022 73.4°F (+0.3), 2023 74.5°F (+1.5), 2024 75.2°F (+2.1), 2025 75.6°F (+2.5), 2026 81.1°F (+8.0). 5 of 6 ran warmer than normal.
| September | Mean | Against normal | Precip. |
|---|---|---|---|
| 2021 | 72.5°F | −0.5°F | 4.47 in |
| 2022 | 73.4°F | +0.3°F | 1.43 in |
| 2023 | 74.5°F | +1.5°F | 2.44 in |
| 2024 | 75.2°F | +2.1°F | 8.78 in |
| 2025 | 75.6°F | +2.5°F | 3.68 in |
| 2026 | 81.1°F | +8.0°F | 0.00 in |
Source: records: ACIS, NWS threaded record BNAthr; recent months: ACIS, station USW00013897. Records and recent months use complete months only.
How does September in Nashville compare across Tennessee?
Across the 116 places PlainClimate covers in Tennessee, September normal highs run from 74°F in Roan Mountain to 86°F in Memphis; Nashville's is 84°F.
Source: NOAA NCEI 1991-2020 monthly normals for every station in the state.