Crossville weather in September: Crossville, Tennessee: normal highs, lows, rain and records for September
Crossville in September has a normal high of 77°F and a normal low of 57°F, a daily mean of 67°F, falling from 81°F on the 1st to 73°F by the 30th. Measurable precipitation falls on 9 days in a normal September, 4.14 inches in all. (NOAA 1991-2020 normals)
In metric: a normal high of 25°C and low of 14°C, 105 mm of precipitation in September.
- NOAA stationCrossville Mem Airport
- Station IDUSW00003847
- Location35.95°N 85.08°W
- Elevation1,867 ft (569 m)
- Population12,785
- Jan 44° 26°
- Feb 48° 30°
- Mar 56° 36°
- Apr 66° 44°
- May 74° 53°
- Jun 80° 60°
- Jul 83° 64°
- Aug 83° 63°
- Sep 77° 57°
- Oct 68° 45°
- Nov 56° 36°
- Dec 47° 30°
Each month: normal high (large) and low, °F. Fill: the month's normal mean, colder blue to hotter red.
How warm is Crossville in September?
The normal high is 77°F and the normal low 57°F, for a daily mean of 67.0°F. September is 5.9°F cooler than August and 10.6°F warmer than October. September is the 4th warmest month of the year in Crossville and the 10th wettest. Across the month the normal high falls 8°F, from 81°F on September 1 to 73°F on September 30. From one year to the next September's mean temperature typically moves about 2.7°F either way (NOAA's standard deviation), so roughly two Septembers in three average between 64°F and 70°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 31%).
| Day | High | Low | Chance of 0.01 in | Chance of 0.10 in |
|---|---|---|---|---|
| September 1 | 81°F | 61°F | 31% | 20% |
| September 8 | 80°F | 59°F | 30% | 19% |
| September 15 | 78°F | 57°F | 29% | 19% |
| September 22 | 76°F | 55°F | 29% | 19% |
| September 30 | 73°F | 52°F | 28% | 19% |
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 | 81°F | 61°F | 31% | 20% | 13 h |
| September 2 | 81°F | 61°F | 31% | 20% | 13 h |
| September 3 | 81°F | 60°F | 31% | 20% | 12 h 50 min |
| September 4 | 80°F | 60°F | 31% | 20% | 12 h 50 min |
| September 5 | 80°F | 60°F | 30% | 20% | 12 h 50 min |
| September 6 | 80°F | 60°F | 30% | 19% | 12 h 50 min |
| September 7 | 80°F | 59°F | 30% | 19% | 12 h 50 min |
| September 8 | 80°F | 59°F | 30% | 19% | 12 h 40 min |
| September 9 | 79°F | 59°F | 30% | 19% | 12 h 40 min |
| September 10 | 79°F | 59°F | 29% | 19% | 12 h 40 min |
| September 11 | 79°F | 58°F | 29% | 19% | 12 h 40 min |
| September 12 | 78°F | 58°F | 29% | 19% | 12 h 30 min |
| September 13 | 78°F | 58°F | 29% | 19% | 12 h 30 min |
| September 14 | 78°F | 57°F | 29% | 19% | 12 h 30 min |
| September 15 | 78°F | 57°F | 29% | 19% | 12 h 30 min |
| September 16 | 77°F | 57°F | 29% | 19% | 12 h 30 min |
| September 17 | 77°F | 56°F | 29% | 19% | 12 h 20 min |
| September 18 | 77°F | 56°F | 29% | 19% | 12 h 20 min |
| September 19 | 76°F | 56°F | 29% | 19% | 12 h 20 min |
| September 20 | 76°F | 55°F | 29% | 19% | 12 h 20 min |
| September 21 | 76°F | 55°F | 29% | 19% | 12 h 10 min |
| September 22 | 76°F | 55°F | 29% | 19% | 12 h 10 min |
| September 23 | 75°F | 54°F | 29% | 19% | 12 h 10 min |
| September 24 | 75°F | 54°F | 29% | 19% | 12 h 10 min |
| September 25 | 75°F | 53°F | 29% | 19% | 12 h 10 min |
| September 26 | 74°F | 53°F | 29% | 19% | 12 h |
| September 27 | 74°F | 53°F | 29% | 19% | 12 h |
| September 28 | 74°F | 52°F | 28% | 19% | 12 h |
| September 29 | 73°F | 52°F | 28% | 19% | 12 h |
| September 30 | 73°F | 52°F | 28% | 19% | 11 h 50 min |
- Normal high
- 77°FSeptember average
- Normal low
- 57°FSeptember average
- Precipitation
- 4.14 inmonth total
- Days with precipitation
- 90.01 inch or more
- Days at 90°F or more
- 1
- Daylight
- 13 h to 11 h 50 minSeptember 1 to September 30
- Days at 70°F or more
- 27
- Days at 80°F or more
- 14
- Sunshine
- 78%of clear-sky sunlight (NASA)
Source: NOAA NCEI 1991-2020 daily normals, station USW00003847; monthly normals. Daylight is computed from the place's latitude with NOAA's solar equations.
Does it rain in Crossville in September?
On a given September day the chance of 0.01 inch or more is 29% on average, highest around September 1 (31%). In all, 4.14 in falls on 9 days of a normal September, 1 of them with an inch or more.
In a normal September in Crossville, 1 days reach 90°F.
Source: NOAA NCEI 1991-2020 daily and monthly normals, station USW00003847.
What are the records for September in Crossville?
The warmest September temperature on this station's record (since 1954) is 99°F, on September 5, 1954; the coldest is 33°F, on September 21, 1956. The wettest September brought 10.59 in (2018).
The September mean against the 1991-2020 normal of 67.0°F: 2021 66.2°F (−0.8), 2022 65.2°F (−1.8), 2023 67.2°F (+0.2), 2024 68.4°F (+1.4), 2025 68.5°F (+1.5), 2026 73.9°F (+6.9). 4 of 6 ran warmer than normal.
| September | Mean | Against normal | Precip. |
|---|---|---|---|
| 2021 | 66.2°F | −0.8°F | 3.42 in |
| 2022 | 65.2°F | −1.8°F | 3.72 in |
| 2023 | 67.2°F | +0.2°F | 1.25 in |
| 2024 | 68.4°F | +1.4°F | 5.35 in |
| 2025 | 68.5°F | +1.5°F | 5.00 in |
| 2026 | 73.9°F | +6.9°F | 2.70 in |
Source: records: ACIS, station USW00003847; recent months: ACIS, station USW00003847. Records and recent months use complete months only.
How does September in Crossville 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; Crossville's is 77°F.
Source: NOAA NCEI 1991-2020 monthly normals for every station in the state.
Other months and places
- Crossville in August83°F by day, 63°F at night
- Crossville in October68°F by day, 45°F at night
- Crossville 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