Madisonville weather in September

In September, Madisonville sees average daytime highs of 82°F and overnight lows near 61°F, with 3.7 in of rain across 8 wet days and about 12.3 hours of daylight. It is the 4th-warmest and 7th-wettest month of the year here.

Highs ease over the month, from about 86°F in the first days to 77°F by the end. The sky is clear or mostly clear about 45% 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 Madisonville's 1st-clearest and 10th-windiest month. For the whole year in context, see Madisonville's year-round climate.

Daytime high
82°
4th warmest
Overnight low
61°
9th coldest
Rainfall
3.7 in
8 wet days
Daylight
12 h 12 min
5:37 AM – 5:51 PM
Cloud cover
47%
1st clearest
Wind
5 mph
10th windiest
Solar energy
4.72 kWh/m²
Travel score
6.5
out of 10

Madisonville is county seat in Kentucky, United States.

Density
402/km²
people per km²
Founded
1807

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 77°F by the end.

A typical September day in Madisonville reaches about 82°F in the afternoon and slips back to 61°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
58565
68565
78565
88464
98464
108464
118363
128363
138362
148262
158262
168261
178161
188160
198160
208060
218059
228059
237958
247958
257858
267857
277857
287756
297756
307756

How September really feels in Madisonville

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.

Madisonville weather by month

How September compares with the rest of the year at a glance. September is the 4th-warmest and 7th-wettest month here — the current month is highlighted below.

MonthHigh / Low (°F)Rainfall (inches)Wet daysSnow daysDaylight (hours)Travel score
Jan44° / 29°3.69.429.70.8
Feb49° / 32°3.79.52.310.61.9
Mar58° / 40°4.611.60.811.74.2
Apr69° / 49°4.911.60.112.96.1
May77° / 59°4.412.80146.3
Jun86° / 68°3.711.4014.54.9
Jul89° / 71°3.710.8014.34.2
Aug88° / 69°3.19.1013.44.7
Sep82° / 61°3.78012.36.5
Oct70° / 50°3.58.10.1117.0
Nov57° / 40°3.69.10.6104.2
Dec47° / 33°4.210.31.59.51.6

Cloud cover in September

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 45% of the time in September, the clearest month of the year.

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 (%)
16040
26040
36040
46139
56139
66139
76139
86139
96139
106040
116040
126040
136040
146040
155941
165941
175842
185842
195842
205842
215941
225941
235941
246139
256139
266139
276337
286337
296337
306535

Chance of precipitation in September

Any precipitation

Madisonville gets around 3.7 in of rain over 8 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 26% and peaks near 29% on the wettest days.

0%10%20%30%40%151015202530
Rain chance (%)
129
229
329
428
528
627
727
826
926
1025
1125
1225
1325
1425
1525
1626
1726
1826
1927
2027
2127
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 30% of days. Sticky, muggy-or-worse air turns up on roughly 27% of them.

0%25%50%75%100%151015202530
Dry (%)Comfortable (%)Humid (%)Muggy (%)Oppressive (%)
1916252822
21017252721
31018262620
41119262619
51220262517
61421262416
71521262414
81622262313
91822262312
101922262210
11212326229
12222325228
13242225218
14252225207
15272224207
16292224196
17312123186
18332123185
19352022175
20372022164
21402021164
22421920154
23441920143
24461919133
25481818133
26501818123
27511817113
28531717112
29551716102
30561715102

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
176calm
186calm
196calm
206calm
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 5:24 AM to 5:49 AM, and sunset from 6:15 PM to 5:29 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202530
Daylight (h)Sunrise (AM)Sunset (PM)
112.85:246:15
212.85:256:13
312.85:266:12
412.75:276:10
512.75:286:09
612.65:296:07
712.65:306:06
812.65:306:04
912.55:316:03
1012.55:326:01
1112.45:335:59
1212.45:345:58
1312.45:355:56
1412.35:365:55
1512.35:365:53
1612.25:375:51
1712.25:385:50
1812.25:395:48
1912.15:405:47
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
2911.75:495:31
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 4.72 kWh/m².

For context, solar energy here swings from a low near 1.91 kWh/m² to a high of 6.35 kWh/m² in June across the year — September's 4.72 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
154.7Bright
164.7Bright
174.7Bright
184.6Bright
194.6Bright
204.6Bright
214.5Bright
224.5Bright
234.5Bright
244.4Bright
254.4Bright
264.4Bright
274.4Bright
284.3Bright
294.3Bright
304.3Bright
Planning a trip in September

Is September a good time to visit Madisonville?

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 Madisonville for sightseeing. The water and warmth also suit a beach or pool day.

What to pack for Madisonville in September

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

In September, Madisonville sees daytime highs around 82°F and nights near 61°F. Pack light clothes. Worth having: rain gear and sun protection. About 8 days see rain.

light clothesrain gearsun protection

UV index in Madisonville 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 Madisonville 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
Nov3Moderate
Dec2Moderate

Air quality in Madisonville 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 Madisonville is worst in July — around 20 µg/m³ PM2.5 (moderate), about 2.2× the cleanest month (November, 9 µg/m³).

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

0102030JanFebMarAprMayJunJulAugSepOctNovDecGoodModerateGoodJul 1420 µg/m³Nov 139 µg/m³
PM2.5 (µg/m³)Level
Jan9Good
Feb12Good
Mar13Moderate
Apr12Moderate
May16Moderate
Jun18Moderate
Jul20Moderate
Aug16Moderate
Sep13Moderate
Oct9Good
Nov9Good
Dec9Good
Location & terrain

Where is Madisonville?

Madisonville sits at 37.3°N, 87.5°W, 472 ft above sea level, in United States. The nearest listed city is Hopkinsville, 32 mi away.

Topography around Madisonville

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

Within 2 miles, the terrain around Madisonville has only modest variations in elevation — a maximum elevation change of 171 ft around an average of 456 ft above sea level; within 10 miles, only modest variations in elevation — a maximum elevation change of 469 ft; within 50 miles, significant variations in elevation — a maximum elevation change of 1,001 ft.

The land around Madisonville is covered by trees (46%) and grassland (28%) within 2 miles, trees (54%) and cropland (25%) within 10 miles, and trees (48%) and cropland (36%) within 50 miles.

2 miles
171 ft
10 miles
469 ft
50 miles
1,001 ft
treesgrasslandcroplandartificial surfacesbare terrainwater
September weather nearby: Hopkinsville 32 mi · Henderson 35 mi · Owensboro 37 mi · Evansville 45 mi · Clarksville 56 mi · Bowling Green 63 mi · Paducah 63 mi · Springfield 66 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 Madisonville (37.3281°, -87.4989°, elevation 472 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).