Columbus weather in September: Columbus, Indiana: normal highs, lows, rain and records for September
Columbus in September has a normal high of 80°F and a normal low of 55°F, a daily mean of 68°F, falling from 84°F on the 1st to 75°F by the 30th. Measurable precipitation falls on 7 days in a normal September, 3.21 inches in all. (NOAA 1991-2020 normals)
In metric: a normal high of 27°C and low of 13°C, 82 mm of precipitation in September.
- NOAA stationColumbus
- Station IDUSC00121747
- Location39.17°N 85.92°W
- Elevation609 ft (186 m)
- Population51,970
- Jan 39° 22°
- Feb 43° 24°
- Mar 54° 32°
- Apr 66° 42°
- May 75° 53°
- Jun 83° 62°
- Jul 86° 65°
- Aug 85° 63°
- Sep 80° 55°
- Oct 68° 44°
- Nov 54° 34°
- Dec 43° 26°
Each month: normal high (large) and low, °F. Fill: the month's normal mean, colder blue to hotter red.
How warm is Columbus in September?
The normal high is 80°F and the normal low 55°F, for a daily mean of 67.6°F. September is 6.8°F cooler than August and 11.8°F warmer than October. September is the 4th warmest month of the year in Columbus and the 11th wettest. Across the month the normal high falls 9°F, from 84°F on September 1 to 75°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 65°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 25%).
| Day | High | Low | Chance of 0.01 in | Chance of 0.10 in |
|---|---|---|---|---|
| September 1 | 84°F | 61°F | 25% | 17% |
| September 8 | 82°F | 58°F | 24% | 16% |
| September 15 | 80°F | 56°F | 24% | 16% |
| September 22 | 78°F | 53°F | 24% | 16% |
| September 30 | 75°F | 50°F | 25% | 16% |
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 | 84°F | 61°F | 25% | 17% | 13 h 10 min |
| September 2 | 84°F | 60°F | 25% | 17% | 13 h |
| September 3 | 84°F | 60°F | 25% | 17% | 13 h |
| September 4 | 83°F | 60°F | 24% | 17% | 13 h |
| September 5 | 83°F | 59°F | 24% | 17% | 13 h |
| September 6 | 83°F | 59°F | 24% | 17% | 12 h 50 min |
| September 7 | 83°F | 59°F | 24% | 17% | 12 h 50 min |
| September 8 | 82°F | 58°F | 24% | 16% | 12 h 50 min |
| September 9 | 82°F | 58°F | 24% | 16% | 12 h 50 min |
| September 10 | 82°F | 58°F | 24% | 16% | 12 h 40 min |
| September 11 | 81°F | 57°F | 24% | 16% | 12 h 40 min |
| September 12 | 81°F | 57°F | 24% | 16% | 12 h 40 min |
| September 13 | 81°F | 57°F | 24% | 16% | 12 h 40 min |
| September 14 | 81°F | 56°F | 24% | 16% | 12 h 30 min |
| September 15 | 80°F | 56°F | 24% | 16% | 12 h 30 min |
| September 16 | 80°F | 55°F | 24% | 16% | 12 h 30 min |
| September 17 | 80°F | 55°F | 24% | 16% | 12 h 30 min |
| September 18 | 79°F | 55°F | 24% | 16% | 12 h 20 min |
| September 19 | 79°F | 54°F | 24% | 16% | 12 h 20 min |
| September 20 | 78°F | 54°F | 24% | 16% | 12 h 20 min |
| September 21 | 78°F | 53°F | 24% | 16% | 12 h 20 min |
| September 22 | 78°F | 53°F | 24% | 16% | 12 h 10 min |
| September 23 | 77°F | 53°F | 25% | 16% | 12 h 10 min |
| September 24 | 77°F | 52°F | 25% | 16% | 12 h 10 min |
| September 25 | 77°F | 52°F | 25% | 16% | 12 h 10 min |
| September 26 | 76°F | 51°F | 25% | 16% | 12 h |
| September 27 | 76°F | 51°F | 25% | 16% | 12 h |
| September 28 | 75°F | 50°F | 25% | 16% | 12 h |
| September 29 | 75°F | 50°F | 25% | 16% | 11 h 50 min |
| September 30 | 75°F | 50°F | 25% | 16% | 11 h 50 min |
- Normal high
- 80°FSeptember average
- Normal low
- 55°FSeptember average
- Precipitation
- 3.21 inmonth total
- Days with precipitation
- 70.01 inch or more
- Days at 90°F or more
- 3
- Daylight
- 13 h 10 min to 11 h 50 minSeptember 1 to September 30
- Days at 70°F or more
- 26
- Days at 80°F or more
- 16
- Sunshine
- 79%of clear-sky sunlight (NASA)
Source: NOAA NCEI 1991-2020 daily normals, station USC00121747; monthly normals. Daylight is computed from the place's latitude with NOAA's solar equations.
Does it rain in Columbus in September?
On a given September day the chance of 0.01 inch or more is 24% on average, highest around September 29 (25%). In all, 3.21 in falls on 7 days of a normal September, 1 of them with an inch or more.
In a normal September in Columbus, 3 days reach 90°F.
Source: NOAA NCEI 1991-2020 daily and monthly normals, station USC00121747.
What are the records for September in Columbus?
The warmest September temperature on this station's record (since 1893) is 103°F, on September 2, 1922; the coldest is 25°F, on September 26, 1928. The wettest September brought 10.13 in (1911).
The September mean against the 1991-2020 normal of 67.6°F: 2021 69.1°F (+1.5), 2024 69.3°F (+1.7), 2026 74.1°F (+6.5). 3 of 3 ran warmer than normal.
| September | Mean | Against normal | Precip. |
|---|---|---|---|
| 2021 | 69.1°F | +1.5°F | 6.55 in |
| 2024 | 69.3°F | +1.7°F | 3.13 in |
| 2026 | 74.1°F | +6.5°F | 1.39 in |
Source: records: ACIS, station USC00121747; recent months: ACIS, station USC00121747. Records and recent months use complete months only.
How does September in Columbus compare across Indiana?
Across the 99 places PlainClimate covers in Indiana, September normal highs run from 74°F in Angola to 82°F in English; Columbus's is 80°F.
Source: NOAA NCEI 1991-2020 monthly normals for every station in the state.