Hopkinsville weather in September

In September, Hopkinsville sees average daytime highs of 82°F and overnight lows near 62°F, with 3.4 in of rain across 7.9 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 86°F in the first days to 78°F by the end. The sky is clear or mostly clear about 46% 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 Hopkinsville's 1st-clearest and 9th-windiest month. For the whole year in context, see Hopkinsville's year-round climate.

Daytime high
82°
4th warmest
Overnight low
62°
9th coldest
Rainfall
3.4 in
7.9 wet days
Daylight
12 h 12 min
5:37 AM – 5:51 PM
Cloud cover
48%
1st clearest
Wind
5 mph
9th windiest
Solar energy
4.74 kWh/m²
Travel score
6.5
out of 10

Hopkinsville is city in Christian County, Kentucky, United States.

Density
404/km²
people per km²
Founded
1796

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 86°F in the first days to 78°F by the end.

A typical September day in Hopkinsville 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 91°F. Set against its neighbours, September runs about 6°F cooler than August and about 12°F warmer than October.

40°60°80°151015202530
Avg high (°F)Avg low (°F)
18667
28667
38666
48566
58566
68565
78565
88465
98464
108464
118364
128363
138363
148362
158262
168262
178261
188161
198160
208160
218060
228059
238059
247958
257958
267858
277857
287857
297756
307756

How September really feels in Hopkinsville

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.

Hopkinsville 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°3.99.91.99.81.0
Feb49° / 33°4.19.61.710.62.1
Mar59° / 40°5.011.60.711.74.4
Apr69° / 50°4.911.50.112.96.1
May77° / 60°4.712013.96.4
Jun85° / 68°3.511.6014.54.9
Jul89° / 71°3.811.8014.34.1
Aug88° / 69°3.29.9013.44.5
Sep82° / 62°3.47.9012.36.5
Oct70° / 50°3.680.1117.0
Nov58° / 40°3.99.20.4104.4
Dec48° / 33°4.710.519.51.8

Cloud cover in September

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 46% of the time in September, the clearest month of the year.

Beyond those clear spells, partly cloudy skies cover about 15% 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 (%)
16139
26139
36040
46040
56040
66040
76040
86040
96040
106040
116040
126040
136040
145941
155941
165941
175842
185842
195842
205842
215941
225941
236040
246139
256238
266337
276337
286535
296535
306535

Chance of precipitation in September

Any precipitation

Hopkinsville gets around 3.4 in of rain over 7.9 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 28% on the wettest days.

0%10%20%30%40%151015202530
Rain chance (%)
128
228
328
428
528
627
727
826
926
1026
1126
1226
1326
1426
1526
1627
1727
1827
1928
2028
2128
2227
2327
2427
2526
2626
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 28% of days. Sticky, muggy-or-worse air turns up on roughly 30% of them.

0%25%50%75%100%151015202530
Dry (%)Comfortable (%)Humid (%)Muggy (%)Oppressive (%)
1913243223
2914243121
31015243020
41116253019
51217252917
61317262816
71418262715
81519262613
91720262512
101821262511
111921262410
12212126239
13222225238
14242225228
15252224217
16272224217
17292223206
18312123206
19322122195
20342121195
21362021184
22392020184
23411920173
24431919163
25451818153
26471818143
27481818143
28511717132
29521717122
30531716122

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
216calm
226calm
236calm
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 5:25 AM to 5:49 AM, and sunset from 6:14 PM to 5:29 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202530
Daylight (h)Sunrise (AM)Sunset (PM)
112.85:256:14
212.85:266:13
312.75:276:11
412.75:276:10
512.75:286:08
612.65:296:07
712.65:306:05
812.65:316:04
912.55:326:02
1012.55:326:01
1112.45:335:59
1212.45:345:58
1312.45:355:56
1412.35:365:54
1512.35:375:53
1612.25:375:51
1712.25:385:50
1812.25:395:48
1912.15:405:46
2012.15:415:45
2112.05:425:43
2212.05:425:42
2311.95:435:40
2411.95:445:39
2511.95:455:37
2611.85:465:35
2711.85:475:34
2811.75:485:32
2911.75:485:31
3011.75:495:29

Solar energy in September

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in September, about 4.74 kWh/m².

For context, solar energy here swings from a low near 1.97 kWh/m² to a high of 6.32 kWh/m² in June across the year — September's 4.74 kWh/m² falls in the middle.

0246151015202530
Solar energy (kWh/m²)Level
15.2Bright
25.2Bright
35.1Bright
45.1Bright
55.1Bright
65.0Bright
75.0Bright
85.0Bright
94.9Bright
104.9Bright
114.9Bright
124.8Bright
134.8Bright
144.8Bright
154.8Bright
164.7Bright
174.7Bright
184.7Bright
194.6Bright
204.6Bright
214.6Bright
224.5Bright
234.5Bright
244.5Bright
254.5Bright
264.4Bright
274.4Bright
284.4Bright
294.4Bright
304.3Bright
Planning a trip in September

Is September a good time to visit Hopkinsville?

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
7.1
Beach & pool
1st-best month of the year

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

What to pack for Hopkinsville in September

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

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

light clothessun protection

UV index in Hopkinsville 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 Hopkinsville peaks around June 22 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 22UV 9Dec 22UV 2
UV index (midday)Level
Jan2Moderate
Feb4Moderate
Mar6High
Apr7High
May8Very high
Jun9Very high
Jul9Very high
Aug8Very high
Sep7High
Oct4Moderate
Nov4Moderate
Dec2Moderate

Air quality in Hopkinsville 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 Hopkinsville is worst in July — around 19 µg/m³ PM2.5 (moderate), about 2.5× the cleanest month (December, 8 µg/m³).

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

0102030JanFebMarAprMayJunJulAugSepOctNovDecGoodModerateGoodJul 1519 µg/m³Dec 188 µg/m³
PM2.5 (µg/m³)Level
Jan8Good
Feb10Good
Mar12Good
Apr11Good
May14Moderate
Jun17Moderate
Jul19Moderate
Aug15Moderate
Sep12Good
Oct8Good
Nov8Good
Dec8Good
Location & terrain

Where is Hopkinsville?

Hopkinsville sits at 36.9°N, 87.5°W, 528 ft above sea level, in United States. The nearest listed city is Clarksville, 24 mi away.

Topography around Hopkinsville

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

Within 2 miles, the terrain around Hopkinsville has only modest variations in elevation — a maximum elevation change of 161 ft around an average of 558 ft above sea level; within 10 miles, only modest variations in elevation — a maximum elevation change of 617 ft; within 50 miles, significant variations in elevation — a maximum elevation change of 1,027 ft.

The land around Hopkinsville is covered by trees (41%), grassland (29%) and artificial surfaces (20%) within 2 miles, cropland (47%), trees (29%) and grassland (21%) within 10 miles, and trees (57%) and cropland (25%) within 50 miles.

2 miles
161 ft
10 miles
617 ft
50 miles
1,027 ft
treesgrasslandcroplandartificial surfacesbare terrainwater
September weather nearby: Clarksville 24 mi · Madisonville 32 mi · Springfield 42 mi · Murray 49 mi · Dickson 55 mi · Goodlettsville 57 mi · Bowling Green 58 mi · Hendersonville 62 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 Hopkinsville (36.8656°, -87.4912°, 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).