Bowling Green weather in September: Bowling Green, Kentucky: normal highs, lows, rain and records for September
Bowling Green in September has a normal high of 83°F and a normal low of 60°F, a daily mean of 71°F, falling from 87°F on the 1st to 78°F by the 30th. Measurable precipitation falls on 8 days in a normal September, 3.64 inches in all. (NOAA 1991-2020 normals)
In metric: a normal high of 28°C and low of 16°C, 92 mm of precipitation in September.
- NOAA stationBowling Green Warren County Airport
- Station IDUSW00093808
- Location36.96°N 86.42°W
- Elevation528 ft (161 m)
- Population79,076
- Jan 46° 28°
- Feb 51° 31°
- Mar 60° 38°
- Apr 71° 47°
- May 79° 57°
- Jun 87° 66°
- Jul 90° 70°
- Aug 89° 68°
- Sep 83° 60°
- Oct 72° 48°
- Nov 59° 38°
- Dec 49° 32°
Each month: normal high (large) and low, °F. Fill: the month's normal mean, colder blue to hotter red.
How warm is Bowling Green in September?
The normal high is 83°F and the normal low 60°F, for a daily mean of 71.4°F. September is 7.1°F cooler than August and 11.4°F warmer than October. September is the 4th warmest month of the year in Bowling Green and the 10th wettest. Across the month the normal high falls 9°F, from 87°F on September 1 to 78°F on September 30. From one year to the next September's mean temperature typically moves about 2.8°F either way (NOAA's standard deviation), so roughly two Septembers in three average between 69°F and 74°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 27%).
| Day | High | Low | Chance of 0.01 in | Chance of 0.10 in |
|---|---|---|---|---|
| September 1 | 87°F | 65°F | 27% | 19% |
| September 8 | 85°F | 63°F | 27% | 18% |
| September 15 | 83°F | 60°F | 26% | 18% |
| September 22 | 81°F | 58°F | 27% | 18% |
| September 30 | 78°F | 54°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 | 65°F | 27% | 19% | 13 h |
| September 2 | 87°F | 65°F | 27% | 19% | 13 h |
| September 3 | 87°F | 64°F | 27% | 19% | 13 h |
| September 4 | 87°F | 64°F | 27% | 18% | 12 h 50 min |
| September 5 | 86°F | 64°F | 27% | 18% | 12 h 50 min |
| September 6 | 86°F | 63°F | 27% | 18% | 12 h 50 min |
| September 7 | 86°F | 63°F | 27% | 18% | 12 h 50 min |
| September 8 | 85°F | 63°F | 27% | 18% | 12 h 40 min |
| September 9 | 85°F | 62°F | 27% | 18% | 12 h 40 min |
| September 10 | 85°F | 62°F | 27% | 18% | 12 h 40 min |
| September 11 | 85°F | 62°F | 27% | 18% | 12 h 40 min |
| September 12 | 84°F | 61°F | 27% | 18% | 12 h 40 min |
| September 13 | 84°F | 61°F | 26% | 18% | 12 h 30 min |
| September 14 | 84°F | 61°F | 26% | 18% | 12 h 30 min |
| September 15 | 83°F | 60°F | 26% | 18% | 12 h 30 min |
| September 16 | 83°F | 60°F | 27% | 18% | 12 h 30 min |
| September 17 | 83°F | 60°F | 27% | 18% | 12 h 20 min |
| September 18 | 82°F | 59°F | 27% | 18% | 12 h 20 min |
| September 19 | 82°F | 59°F | 27% | 18% | 12 h 20 min |
| September 20 | 82°F | 58°F | 27% | 18% | 12 h 20 min |
| September 21 | 81°F | 58°F | 27% | 18% | 12 h 10 min |
| September 22 | 81°F | 58°F | 27% | 18% | 12 h 10 min |
| September 23 | 81°F | 57°F | 27% | 19% | 12 h 10 min |
| September 24 | 80°F | 57°F | 27% | 18% | 12 h 10 min |
| September 25 | 80°F | 56°F | 27% | 18% | 12 h 10 min |
| September 26 | 80°F | 56°F | 27% | 18% | 12 h |
| September 27 | 79°F | 56°F | 27% | 18% | 12 h |
| September 28 | 79°F | 55°F | 27% | 18% | 12 h |
| September 29 | 79°F | 55°F | 27% | 18% | 12 h |
| September 30 | 78°F | 54°F | 27% | 18% | 11 h 50 min |
- Normal high
- 83°FSeptember average
- Normal low
- 60°FSeptember average
- Precipitation
- 3.64 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
- 20
- Sunshine
- 79%of clear-sky sunlight (NASA)
Source: NOAA NCEI 1991-2020 daily normals, station USW00093808; monthly normals. Daylight is computed from the place's latitude with NOAA's solar equations.
Does it rain in Bowling Green in September?
On a given September day the chance of 0.01 inch or more is 27% on average, highest around September 1 (27%). In all, 3.64 in falls on 8 days of a normal September, 1 of them with an inch or more.
In a normal September in Bowling Green, 6 days reach 90°F.
Source: NOAA NCEI 1991-2020 daily and monthly normals, station USW00093808.
How humid and windy is Bowling Green in September?
At 3 p.m. the normal temperature is 76°F with 47% relative humidity and a dew point of 54°F; at 6 a.m. it is 56°F with 90% humidity. The wind averages 4.8 mph, most often from the west-southwest in the afternoon.
| Time | Temperature | Dew point | Humidity | Wind | Clear or few clouds |
|---|---|---|---|---|---|
| 6 a.m. | 56°F | 53°F | 90% | 2.6 mph | 72% |
| 9 a.m. | 67°F | 56°F | 68% | 6.5 mph | 72% |
| noon | 74°F | 55°F | 51% | 8.0 mph | 64% |
| 3 p.m. | 76°F | 54°F | 47% | 8.0 mph | 67% |
| 6 p.m. | 69°F | 55°F | 61% | 4.1 mph | 79% |
| 9 p.m. | 63°F | 56°F | 78% | 3.0 mph | 80% |
Source: NOAA NCEI 1991-2020 hourly normals, station USW00093808. 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 Bowling Green?
The warmest September temperature on this station's record (since 1893) is 105°F, on September 7, 1925; the coldest is 33°F, on September 30, 1949. The wettest September brought 11.75 in (1979).
The September mean against the 1991-2020 normal of 71.4°F: 2021 70.4°F (−1.0), 2022 71.5°F (+0.1), 2023 72.0°F (+0.6), 2024 73.7°F (+2.3), 2025 73.5°F (+2.0), 2026 77.9°F (+6.5). 5 of 6 ran warmer than normal.
| September | Mean | Against normal | Precip. |
|---|---|---|---|
| 2021 | 70.4°F | −1.0°F | 5.99 in |
| 2022 | 71.5°F | +0.1°F | 2.25 in |
| 2023 | 72.0°F | +0.6°F | 2.22 in |
| 2024 | 73.7°F | +2.3°F | 5.82 in |
| 2025 | 73.5°F | +2.0°F | 4.69 in |
| 2026 | 77.9°F | +6.5°F | 3.18 in |
Source: records: ACIS, station USW00093808; recent months: ACIS, station USW00093808. Records and recent months use complete months only.
How does September in Bowling Green compare across Kentucky?
Across the 68 places PlainClimate covers in Kentucky, September normal highs run from 76°F in Olive Hill to 85°F in Eddyville; Bowling Green's is 83°F.
Source: NOAA NCEI 1991-2020 monthly normals for every station in the state.
Other months and places
- Bowling Green in August89°F by day, 68°F at night
- Bowling Green in October72°F by day, 48°F at night
- Bowling Green through the yearEvery month, frost dates, records and recent years
- Kentucky in SeptemberThe statewide normal and the warmest and coolest places
- Eddyville: Kentucky's warmest Septembernormal high 85°F