Cookeville weather in September: Cookeville, Tennessee: normal highs, lows, rain and records for September
Cookeville in September has a normal high of 82°F and a normal low of 57°F, a daily mean of 70°F, falling from 86°F on the 1st to 78°F by the 30th. Measurable precipitation falls on 9 days in a normal September, 4.47 inches in all. (NOAA 1991-2020 normals)
In metric: a normal high of 28°C and low of 14°C, 114 mm of precipitation in September.
- NOAA stationCookeville
- Station IDUSC00402009
- Location36.11°N 85.50°W
- Elevation1,090 ft (332 m)
- From the center3 miles
- Population37,102
- Jan 47° 27°
- Feb 51° 29°
- Mar 60° 35°
- Apr 70° 43°
- May 78° 53°
- Jun 84° 62°
- Jul 87° 66°
- Aug 87° 64°
- Sep 82° 57°
- Oct 72° 45°
- Nov 60° 35°
- Dec 51° 30°
Each month: normal high (large) and low, °F. Fill: the month's normal mean, colder blue to hotter red.
How warm is Cookeville in September?
The normal high is 82°F and the normal low 57°F, for a daily mean of 69.7°F. September is 5.8°F cooler than August and 11.3°F warmer than October. September is the 4th warmest month of the year in Cookeville and the 9th wettest. Across the month the normal high falls 8°F, from 86°F on September 1 to 78°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 67°F and 72°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 29%).
| Day | High | Low | Chance of 0.01 in | Chance of 0.10 in |
|---|---|---|---|---|
| September 1 | 86°F | 62°F | 29% | 18% |
| September 8 | 84°F | 60°F | 28% | 17% |
| September 15 | 82°F | 58°F | 27% | 18% |
| September 22 | 80°F | 55°F | 28% | 19% |
| September 30 | 78°F | 52°F | 28% | 20% |
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 | 86°F | 62°F | 29% | 18% | 13 h |
| September 2 | 85°F | 62°F | 28% | 18% | 13 h |
| September 3 | 85°F | 61°F | 28% | 18% | 12 h 50 min |
| September 4 | 85°F | 61°F | 28% | 18% | 12 h 50 min |
| September 5 | 85°F | 61°F | 28% | 17% | 12 h 50 min |
| September 6 | 85°F | 61°F | 28% | 17% | 12 h 50 min |
| September 7 | 84°F | 60°F | 28% | 17% | 12 h 50 min |
| September 8 | 84°F | 60°F | 28% | 17% | 12 h 40 min |
| September 9 | 84°F | 60°F | 28% | 17% | 12 h 40 min |
| September 10 | 84°F | 60°F | 27% | 17% | 12 h 40 min |
| September 11 | 83°F | 59°F | 27% | 17% | 12 h 40 min |
| September 12 | 83°F | 59°F | 27% | 17% | 12 h 30 min |
| September 13 | 83°F | 59°F | 27% | 18% | 12 h 30 min |
| September 14 | 83°F | 58°F | 27% | 18% | 12 h 30 min |
| September 15 | 82°F | 58°F | 27% | 18% | 12 h 30 min |
| September 16 | 82°F | 58°F | 27% | 18% | 12 h 30 min |
| September 17 | 82°F | 57°F | 27% | 18% | 12 h 20 min |
| September 18 | 81°F | 57°F | 28% | 18% | 12 h 20 min |
| September 19 | 81°F | 56°F | 28% | 18% | 12 h 20 min |
| September 20 | 81°F | 56°F | 28% | 18% | 12 h 20 min |
| September 21 | 81°F | 56°F | 28% | 19% | 12 h 10 min |
| September 22 | 80°F | 55°F | 28% | 19% | 12 h 10 min |
| September 23 | 80°F | 55°F | 28% | 19% | 12 h 10 min |
| September 24 | 80°F | 55°F | 28% | 19% | 12 h 10 min |
| September 25 | 79°F | 54°F | 28% | 19% | 12 h 10 min |
| September 26 | 79°F | 54°F | 28% | 19% | 12 h |
| September 27 | 79°F | 53°F | 28% | 19% | 12 h |
| September 28 | 78°F | 53°F | 28% | 19% | 12 h |
| September 29 | 78°F | 52°F | 28% | 20% | 12 h |
| September 30 | 78°F | 52°F | 28% | 20% | 11 h 50 min |
- Normal high
- 82°FSeptember average
- Normal low
- 57°FSeptember average
- Precipitation
- 4.47 inmonth total
- Days with precipitation
- 90.01 inch or more
- Days at 90°F or more
- 4
- Daylight
- 13 h to 11 h 50 minSeptember 1 to September 30
- Days at 70°F or more
- 28
- Days at 80°F or more
- 20
- Sunshine
- 78%of clear-sky sunlight (NASA)
Source: NOAA NCEI 1991-2020 daily normals, station USC00402009; monthly normals. Daylight is computed from the place's latitude with NOAA's solar equations.
Does it rain in Cookeville in September?
On a given September day the chance of 0.01 inch or more is 28% on average, highest around September 1 (29%). In all, 4.47 in falls on 9 days of a normal September, 1 of them with an inch or more.
In a normal September in Cookeville, 4 days reach 90°F.
Source: NOAA NCEI 1991-2020 daily and monthly normals, station USC00402009.
What are the records for September in Cookeville?
The warmest September temperature on this station's record (since 1896) is 104°F, on September 7, 1925; the coldest is 33°F, on September 24, 1928. The wettest September brought 10.69 in (1944).
The September mean against the 1991-2020 normal of 69.7°F: 2021 69.3°F (−0.4), 2022 68.7°F (−1.0), 2023 70.6°F (+0.9), 2024 72.1°F (+2.4), 2025 71.8°F (+2.1). 3 of 5 ran warmer than normal.
| September | Mean | Against normal | Precip. |
|---|---|---|---|
| 2021 | 69.3°F | −0.4°F | 5.42 in |
| 2022 | 68.7°F | −1.0°F | 4.45 in |
| 2023 | 70.6°F | +0.9°F | 1.63 in |
| 2024 | 72.1°F | +2.4°F | 6.83 in |
| 2025 | 71.8°F | +2.1°F | 5.05 in |
Source: records: ACIS, station USC00402009; recent months: ACIS, station USC00402009. Records and recent months use complete months only.
How does September in Cookeville 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; Cookeville's is 82°F.
Source: NOAA NCEI 1991-2020 monthly normals for every station in the state.
Other months and places
- Cookeville in August87°F by day, 64°F at night
- Cookeville in October72°F by day, 45°F at night
- Cookeville through the yearEvery month, frost dates, records and recent years
- Tennessee in SeptemberThe statewide normal and the warmest and coolest places
- Memphis: Tennessee's warmest Septembernormal high 86°F