Columbia weather in September: Columbia, Tennessee: normal highs, lows, rain and records for September
Columbia in September has a normal high of 83°F and a normal low of 58°F, a daily mean of 71°F, falling from 87°F on the 1st to 79°F by the 30th. Measurable precipitation falls on 8 days in a normal September, 4.25 inches in all. (NOAA 1991-2020 normals)
In metric: a normal high of 29°C and low of 14°C, 108 mm of precipitation in September.
- NOAA stationColumbia (3 mi WNW)
- Station IDUSC00401957
- Location35.64°N 87.09°W
- Elevation650 ft (198 m)
- From the center3 miles
- Population48,812
- Jan 48° 27°
- Feb 52° 29°
- Mar 62° 36°
- Apr 71° 44°
- May 79° 54°
- Jun 86° 62°
- Jul 89° 67°
- Aug 88° 65°
- Sep 83° 58°
- 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 Columbia in September?
The normal high is 83°F and the normal low 58°F, for a daily mean of 70.6°F. September is 6.1°F cooler than August and 11.9°F warmer than October. September is the 4th warmest month of the year in Columbia and the 9th wettest. Across the month the normal high falls 8°F, from 87°F on September 1 to 79°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 68°F and 73°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 | 87°F | 63°F | 28% | 19% |
| September 8 | 86°F | 61°F | 27% | 18% |
| September 15 | 84°F | 58°F | 27% | 18% |
| September 22 | 82°F | 56°F | 27% | 18% |
| September 30 | 79°F | 52°F | 27% | 18% |
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 | 87°F | 63°F | 28% | 19% | 13 h |
| September 2 | 87°F | 62°F | 28% | 19% | 13 h |
| September 3 | 87°F | 62°F | 28% | 19% | 12 h 50 min |
| September 4 | 87°F | 62°F | 28% | 18% | 12 h 50 min |
| September 5 | 86°F | 62°F | 28% | 18% | 12 h 50 min |
| September 6 | 86°F | 61°F | 28% | 18% | 12 h 50 min |
| September 7 | 86°F | 61°F | 27% | 18% | 12 h 50 min |
| September 8 | 86°F | 61°F | 27% | 18% | 12 h 40 min |
| September 9 | 85°F | 60°F | 27% | 18% | 12 h 40 min |
| September 10 | 85°F | 60°F | 27% | 18% | 12 h 40 min |
| September 11 | 85°F | 60°F | 27% | 18% | 12 h 40 min |
| September 12 | 85°F | 59°F | 27% | 18% | 12 h 30 min |
| September 13 | 84°F | 59°F | 27% | 18% | 12 h 30 min |
| September 14 | 84°F | 59°F | 27% | 18% | 12 h 30 min |
| September 15 | 84°F | 58°F | 27% | 18% | 12 h 30 min |
| September 16 | 83°F | 58°F | 27% | 18% | 12 h 30 min |
| September 17 | 83°F | 58°F | 27% | 18% | 12 h 20 min |
| September 18 | 83°F | 57°F | 27% | 18% | 12 h 20 min |
| September 19 | 83°F | 57°F | 27% | 18% | 12 h 20 min |
| September 20 | 82°F | 57°F | 27% | 18% | 12 h 20 min |
| September 21 | 82°F | 56°F | 27% | 18% | 12 h 10 min |
| September 22 | 82°F | 56°F | 27% | 18% | 12 h 10 min |
| September 23 | 81°F | 55°F | 27% | 18% | 12 h 10 min |
| September 24 | 81°F | 55°F | 27% | 18% | 12 h 10 min |
| September 25 | 80°F | 54°F | 27% | 18% | 12 h 10 min |
| September 26 | 80°F | 54°F | 27% | 18% | 12 h |
| September 27 | 80°F | 54°F | 27% | 18% | 12 h |
| September 28 | 79°F | 53°F | 27% | 18% | 12 h |
| September 29 | 79°F | 53°F | 27% | 18% | 12 h |
| September 30 | 79°F | 52°F | 27% | 18% | 11 h 50 min |
- Normal high
- 83°FSeptember average
- Normal low
- 58°FSeptember average
- Precipitation
- 4.25 inmonth total
- Days with precipitation
- 80.01 inch or more
- Days at 90°F or more
- 6
- 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
- 21
- Sunshine
- 80%of clear-sky sunlight (NASA)
Source: NOAA NCEI 1991-2020 daily normals, station USC00401957; monthly normals. Daylight is computed from the place's latitude with NOAA's solar equations.
Does it rain in Columbia in September?
On a given September day the chance of 0.01 inch or more is 27% on average, highest around September 1 (28%). In all, 4.25 in falls on 8 days of a normal September, 2 of them with an inch or more.
In a normal September in Columbia, 6 days reach 90°F.
Source: NOAA NCEI 1991-2020 daily and monthly normals, station USC00401957.
What are the records for September in Columbia?
The warmest September temperature on this station's record (since 1948) is 104°F, on September 6, 1954; the coldest is 34°F, on September 30, 1967. The wettest September brought 10.54 in (2018).
The September mean against the 1991-2020 normal of 70.6°F: 2021 69.2°F (−1.4), 2022 68.6°F (−2.0), 2023 71.4°F (+0.8), 2024 72.1°F (+1.5), 2025 72.3°F (+1.8), 2026 78.7°F (+8.1). 4 of 6 ran warmer than normal.
| September | Mean | Against normal | Precip. |
|---|---|---|---|
| 2021 | 69.2°F | −1.4°F | 7.37 in |
| 2022 | 68.6°F | −2.0°F | 7.15 in |
| 2023 | 71.4°F | +0.8°F | 1.70 in |
| 2024 | 72.1°F | +1.5°F | 6.17 in |
| 2025 | 72.3°F | +1.8°F | 7.72 in |
| 2026 | 78.7°F | +8.1°F | 0.36 in |
Source: records: ACIS, station USC00401957; recent months: ACIS, station USC00401957. Records and recent months use complete months only.
How does September in Columbia 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; Columbia's is 83°F.
Source: NOAA NCEI 1991-2020 monthly normals for every station in the state.