Bowling Green weather in September

In September, Bowling Green sees average daytime highs of 82°F and overnight lows near 62°F, with 3.5 in of rain across 8.2 wet days and about 12.3 hours of daylight. It is the 4th-warmest and 11th-wettest month of the year here.

Highs ease over the month, from about 85°F in the first days to 77°F by the end. The sky is clear or mostly clear about 43% of the time in September, and the air most often feels dry.

Daylight stretches from about 12 h 48 min at the start of September to 11 h 42 min by month's end. Set against the rest of the year, September is Bowling Green's 2nd-clearest and 9th-windiest month. For the whole year in context, see Bowling Green's year-round climate.

Daytime high
82°
4th warmest
Overnight low
62°
9th coldest
Rainfall
3.5 in
8.2 wet days
Daylight
12 h 12 min
5:33 AM – 5:47 PM
Cloud cover
49%
2nd clearest
Wind
5 mph
9th windiest
Solar energy
4.68 kWh/m²
Travel score
6.5
out of 10

Bowling Green is city and county seat of Warren, Kentucky, United States.

Density
645/km²
people per km²
Founded
1798

Air quality: WHO Ambient Air Quality Database. Density & description: Wikidata (CC0), GeoNames.

Temperature in September

Average highAverage lowShaded bands: 10–90% of days

Highs ease over the month, from about 85°F in the first days to 77°F by the end.

A typical September day in Bowling Green reaches about 82°F in the afternoon and slips back to 62°F overnight — a 20°F spread between the day's warmth and the night's chill. On most days the high lands between 72°F and 90°F. Set against its neighbours, September runs about 6°F cooler than August and about 11°F warmer than October.

40°60°80°151015202530
Avg high (°F)Avg low (°F)
18667
28667
38566
48566
58565
68565
78465
88464
98464
108364
118363
128363
138262
148262
158262
168261
178161
188161
198060
208060
218059
227959
237959
247958
257858
267857
277857
287756
297756
307756

How September really feels in Bowling Green

Once humidity and wind are folded in, September averages 0 days that feel above 90°F and 0 that feel at or below 32°F — the comfort signal a plain temperature reading hides.

Days feeling ≥ 90°F
0
heat index over the day's high
Days feeling ≤ 32°F
0
wind chill below the day's low

September sits comfortably in between — no days that feel dangerously hot or drop to a hard freeze once humidity and wind are folded in.

Bowling Green weather by month

How September compares with the rest of the year at a glance. September is the 4th-warmest and 11th-wettest month here — the current month is highlighted below.

MonthHigh / Low (°F)Rainfall (inches)Wet daysSnow daysDaylight (hours)Travel score
Jan45° / 30°4.010.22.19.81.0
Feb49° / 33°4.29.91.910.62.0
Mar59° / 40°4.911.90.911.74.3
Apr69° / 49°5.111.60.112.96.1
May77° / 59°4.811.90146.4
Jun85° / 67°4.012.5014.54.9
Jul88° / 71°3.811.7014.34.2
Aug87° / 69°3.310.3013.44.6
Sep82° / 62°3.58.2012.36.5
Oct70° / 50°3.780.1117.0
Nov57° / 40°3.89.20.3104.3
Dec48° / 33°4.610.71.39.51.8

Cloud cover in September

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 43% of the time in September.

Beyond those clear spells, partly cloudy skies cover about 16% of September, with mostly cloudy or overcast conditions the remaining 40%. Skies tend to open up as the month goes on.

0%25%50%75%100%151015202530
Clearer (%)Cloudier (%)
15842
25941
35941
45941
55842
65941
75941
85941
95941
105941
115941
125941
136040
145941
155941
165941
175941
185842
195842
205941
215941
225941
236040
246139
256139
266238
276337
286337
296436
306436

Chance of precipitation in September

Any precipitation

Bowling Green gets around 3.5 in of rain over 8.2 wet days in September. The line is the day-by-day chance of measurable precipitation.

Day to day, the chance of measurable rain averages around 27% and peaks near 30% on the wettest days.

0%10%20%30%40%151015202530
Rain chance (%)
130
230
330
430
530
629
729
828
927
1027
1127
1226
1326
1426
1526
1627
1727
1827
1927
2027
2127
2227
2327
2426
2526
2625
2725
2824
2924
3023

Humidity in September

DryComfortableHumidMuggyOppressiveMiserable

Most of September feels dry — the stacked bands show each day's mix of comfort levels, read off the dew point.

By dew point, September lands in the dry band about 27% of days. Sticky, muggy-or-worse air turns up on roughly 31% of them.

0%25%50%75%100%151015202530
Dry (%)Comfortable (%)Humid (%)Muggy (%)Oppressive (%)
1813253322
2814253320
3914253219
41015263118
51116263116
61217273015
71318272913
81419272812
91619272711
10172027279
11182027268
12202027258
13212127257
14232126247
15252125236
16262125226
17282124226
18302123216
19322022205
20332022205
21352021194
22382020194
23402019184
24421918173
25441918163
26451917153
27471916153
28491916143
29511915132
30511915132

Wind in September

Winds average 5 mph in September.

Across September, daily wind ranges from about 5 mph on the calmest days to 6 mph at its breeziest. It stays fairly steady from day to day.

0246810151015202530
Wind speed (mph)Feels
15calm
25calm
35calm
45calm
55calm
65calm
75calm
85calm
95calm
105calm
115calm
125calm
135calm
145calm
155calm
165calm
175calm
185calm
195calm
205calm
215calm
225calm
235calm
246calm
256calm
266calm
276calm
286calm
296calm
306calm

Sunrise & sunset in September

DaylightNight

Daylight runs from about 12 h 48 min at the start of September to 11 h 42 min by month's end. The lit band spans sunrise to sunset each day.

Days shrink by about 66 minutes over September. Sunrise moves from 5:21 AM to 5:45 AM, and sunset from 6:10 PM to 5:25 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202530
Daylight (h)Sunrise (AM)Sunset (PM)
112.85:216:10
212.85:216:09
312.85:226:07
412.75:236:06
512.75:246:04
612.65:256:03
712.65:266:01
812.65:266:00
912.55:275:58
1012.55:285:57
1112.45:295:55
1212.45:305:53
1312.45:315:52
1412.35:315:50
1512.35:325:49
1612.25:335:47
1712.25:345:45
1812.25:355:44
1912.15:365:42
2012.15:365:41
2112.05:375:39
2212.05:385:38
2311.95:395:36
2411.95:405:34
2511.95:415:33
2611.85:425:31
2711.85:425:30
2811.75:435:28
2911.75:445:27
3011.75:455:25

Solar energy in September

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in September, about 4.68 kWh/m².

For context, solar energy here swings from a low near 1.92 kWh/m² to a high of 6.25 kWh/m² in June across the year — September's 4.68 kWh/m² falls in the middle.

0246151015202530
Solar energy (kWh/m²)Level
15.2Bright
25.1Bright
35.1Bright
45.0Bright
55.0Bright
65.0Bright
75.0Bright
84.9Bright
94.9Bright
104.8Bright
114.8Bright
124.8Bright
134.8Bright
144.7Bright
154.7Bright
164.7Bright
174.6Bright
184.6Bright
194.5Bright
204.5Bright
214.5Bright
224.5Bright
234.4Bright
244.4Bright
254.4Bright
264.4Bright
274.3Bright
284.3Bright
294.3Bright
304.3Bright
Planning a trip in September

Is September a good time to visit Bowling Green?

Our two travel scores rate September for general sightseeing and for beach or pool weather — 0 (poor) to 10 (ideal).

6.5
Sightseeing
2nd-best month of the year
7.0
Beach & pool
1st-best month of the year

September is a reasonable time to visit Bowling Green for sightseeing. The water and warmth also suit a beach or pool day.

What to pack for Bowling Green in September

From September's temperature range, rain chance, sun and wind — what's worth putting in the bag.

In September, Bowling Green sees daytime highs around 82°F and nights near 62°F. Pack light clothes. Worth having: rain gear and sun protection. About 8 days see rain.

light clothesrain gearsun protection

UV index in Bowling Green in September

LowModerateHighVery highExtreme

Clear-sky midday UV in September peaks around 7 — enough to warrant sun protection. The full-year curve, shaded by WHO exposure level, is below.

Under clear skies, the midday UV index in Bowling Green peaks around June 23 at about 9 (very high) — sunscreen, a hat and midday shade are essential. It bottoms out near December 22 at about 2 (moderate).

The index reaches 3 or more — the level where the WHO recommends sun protection — in 10 months of the year.

025710JanFebMarAprMayJunJulAugSepOctNovDecModerateHighVery highHighModerateJun 23UV 9Dec 22UV 2
UV index (midday)Level
Jan2Moderate
Feb4Moderate
Mar6High
Apr6High
May7Very high
Jun9Very high
Jul9Very high
Aug8Very high
Sep7High
Oct4Moderate
Nov4Moderate
Dec2Moderate

Air quality in Bowling Green in September

GoodModeratePoorUnhealthyVery unhealthy

Average fine-particle pollution (PM2.5) through the year — so you can see where September falls, not just the annual average.

Air quality in Bowling Green is worst in July — around 19 µg/m³ PM2.5 (moderate), about 2.9× the cleanest month (November, 6 µg/m³).

Modeled monthly averages (CAMS reanalysis, 2015–2024).

0102030JanFebMarAprMayJunJulAugSepOctNovDecGoodModerateGoodJul 1518 µg/m³Nov 216 µg/m³
PM2.5 (µg/m³)Level
Jan7Good
Feb9Good
Mar10Good
Apr10Good
May14Moderate
Jun16Moderate
Jul19Moderate
Aug14Moderate
Sep11Good
Oct7Good
Nov6Good
Dec7Good
Location & terrain

Where is Bowling Green?

Bowling Green sits at 37.0°N, 86.4°W, 528 ft above sea level, in United States. The nearest listed city is Springfield, 41 mi away.

Topography around Bowling Green

How much the land rises and falls, and what covers it, within 2, 10 and 50 miles of Bowling Green.

Within 2 miles, the terrain around Bowling Green has only modest variations in elevation — a maximum elevation change of 253 ft around an average of 509 ft above sea level; within 10 miles, only modest variations in elevation — a maximum elevation change of 449 ft; within 50 miles, significant variations in elevation — a maximum elevation change of 856 ft.

The land around Bowling Green is covered by trees (45%), artificial surfaces (29%) and grassland (22%) within 2 miles, trees (42%) and grassland (35%) within 10 miles, and trees (52%), grassland (27%) and cropland (20%) within 50 miles.

2 miles
253 ft
10 miles
449 ft
50 miles
856 ft
treesgrasslandcroplandartificial surfacesbare terrainwater
September weather nearby: Springfield 41 mi · Gallatin 42 mi · Hendersonville 48 mi · Goodlettsville 48 mi · Lebanon 55 mi · Mount Juliet 55 mi · Hermitage 56 mi · Elizabethtown 58 mi

United States travel facts

Power plugs
Type A / B
120 V · 60 Hz
Prices
≈ 100% of US
price level, 2025
GDP per capita
$90,027
2025
Happiness
6.8 / 10
World Happiness, 2025
Safe drinking water
98%
of population, 2024
Homicide rate
5.8
per 100k, 2023
Road deaths
12.7
per 100k/yr, 2019
Income group
High
World Bank
Religion
Protestant 47%unaffiliated 23%Roman Catholic 21%Jewish 2%

Sources: World Bank, US State Department, World Happiness Report, WHO/UNICEF, EF EPI, CIA World Factbook.

Data sources

Temperature, precipitation, cloud, humidity, wind and solar figures are a 1991–2020 climatology for Bowling Green (36.9903°, -86.4436°, elevation 528 ft), computed from hourly ERA5 reanalysis — contains modified Copernicus Climate Change Service information. Sun figures are astronomical calculations, not observations. City data © GeoNames, CC BY 4.0. Map outlines from Natural Earth (public domain); interactive map © Google. UV index is derived from CAMS (Copernicus Atmosphere Monitoring Service) clear-sky UV data — contains modified Copernicus Atmosphere Monitoring Service information. Monthly air-quality (PM2.5) seasonality is from the CAMS EAC4 reanalysis (Copernicus Atmosphere Monitoring Service), scaled to the WHO annual mean where available. Topography is sampled from the Copernicus DEM GLO-90 elevation model (© ESA/Airbus) and ESA WorldCover 2021 land cover (CC BY 4.0).