Ardmore weather in September

In September, Ardmore sees average daytime highs of 85°F and overnight lows near 66°F, with 3.1 in of rain across 7.3 wet days and about 12.2 hours of daylight. It is the 4th-warmest and 6th-wettest month of the year here.

Highs ease over the month, from about 90°F in the first days to 82°F by the end. The sky is clear or mostly clear about 55% of the time in September, and the air most often feels muggy.

Daylight stretches from about 12 h 42 min at the start of September to 11 h 42 min by month's end. Set against the rest of the year, September is Ardmore's 3rd-clearest and 11th-windiest month. For the whole year in context, see Ardmore's year-round climate.

Daytime high
85°
4th warmest
Overnight low
66°
9th coldest
Rainfall
3.1 in
7.3 wet days
Daylight
12 h 12 min
6:17 AM – 6:29 PM
Cloud cover
40%
3rd clearest
Wind
7 mph
11th windiest
Solar energy
5.11 kWh/m²
Travel score
5.8
out of 10

Ardmore is city in and county seat of Carter County, Oklahoma, United States.

Density
188/km²
people per km²
Founded
1887

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 90°F in the first days to 82°F by the end.

A typical September day in Ardmore reaches about 85°F in the afternoon and slips back to 66°F overnight — a 19°F spread between the day's warmth and the night's chill. On most days the high lands between 76°F and 94°F. Set against its neighbours, September runs about 8°F cooler than August and about 11°F warmer than October.

60°80°100°151015202530
Avg high (°F)Avg low (°F)
19071
29071
39070
48970
58970
68969
78869
88869
98769
108768
118768
128667
138667
148667
158567
168566
178566
188565
198465
208465
218464
228364
238363
248363
258362
268262
278262
288261
298161
308160

How September really feels in Ardmore

Once humidity and wind are folded in, September averages 6 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
6
heat index over the day's high
Days feeling ≤ 32°F
0
wind chill below the day's low

The story in September is heat — humidity pushes the afternoon "feels like" well above the raw temperature.

Ardmore weather by month

How September compares with the rest of the year at a glance. September is the 4th-warmest and 6th-wettest month here — the current month is highlighted below.

MonthHigh / Low (°F)Rainfall (inches)Wet daysSnow daysDaylight (hours)Travel score
Jan53° / 34°2.05.70.9103.3
Feb57° / 37°2.26.20.710.74.4
Mar65° / 45°3.68.80.411.76.2
Apr73° / 53°3.98.7012.87.1
May80° / 62°5.311.5013.86.3
Jun89° / 71°3.69014.24.5
Jul94° / 74°2.160143.3
Aug93° / 73°2.06.3013.33.5
Sep85° / 66°3.17.3012.25.8
Oct75° / 55°3.87.4011.17.5
Nov63° / 44°2.46.60.210.26.1
Dec54° / 36°2.55.80.69.83.6

Cloud cover in September

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 55% of the time in September.

Beyond those clear spells, partly cloudy skies cover about 17% of September, with mostly cloudy or overcast conditions the remaining 29%.

0%25%50%75%100%151015202530
Clearer (%)Cloudier (%)
17327
27228
37228
47129
57030
67030
76931
86931
96832
106832
116832
126832
136832
146832
156832
166832
176832
186832
197030
207030
217129
227228
237327
247426
257426
267525
277525
287525
297525
307525

Chance of precipitation in September

Any precipitation

Ardmore gets around 3.1 in of rain over 7.3 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 24% and peaks near 28% on the wettest days. The odds ease toward the end of the month.

0%10%20%30%40%151015202530
Rain chance (%)
123
224
325
425
526
626
727
827
928
1028
1128
1228
1328
1428
1527
1627
1727
1826
1925
2024
2123
2222
2321
2420
2520
2619
2719
2818
2918
3018

Humidity in September

DryComfortableHumidMuggyOppressiveMiserable

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

By dew point, September lands in the muggy band about 31% of days. Sticky, muggy-or-worse air turns up on roughly 42% of them.

0%25%50%75%100%151015202530
Dry (%)Comfortable (%)Humid (%)Muggy (%)Oppressive (%)
1512264017
2612263917
3713263816
4713253816
5814253716
6914253616
71014253615
81114253615
91214243515
101313243515
111413243514
121513233514
131613233513
141713233513
151813233412
161913223411
172113223311
182213223210
192413223110
20261422309
21271421298
22291521277
23311521267
24331621246
25351621235
26361721225
27381720204
28391720194
29411820184
30421820173

Wind in September

Winds average 7 mph in September.

Across September, daily wind ranges from about 6 mph on the calmest days to 7 mph at its breeziest. It stays fairly steady from day to day.

0246810151015202530
Wind speed (mph)Feels
16calm
26calm
36calm
46calm
56calm
66calm
76calm
86calm
96calm
106calm
116calm
127calm
137calm
147calm
157calm
167calm
177calm
187calm
197calm
207calm
217calm
227calm
237calm
247calm
257calm
267calm
277calm
287calm
297calm
307calm

Sunrise & sunset in September

DaylightNight

Daylight runs from about 12 h 42 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 60 minutes over September. Sunrise moves from 6:06 AM to 6:27 AM, and sunset from 6:51 PM to 6:09 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202530
Daylight (h)Sunrise (AM)Sunset (PM)
112.76:066:51
212.76:076:49
312.76:076:48
412.66:086:47
512.66:096:45
612.66:096:44
712.56:106:42
812.56:116:41
912.56:126:39
1012.46:126:38
1112.46:136:36
1212.46:146:35
1312.36:146:34
1412.36:156:32
1512.26:166:31
1612.26:176:29
1712.26:176:28
1812.16:186:26
1912.16:196:25
2012.16:196:23
2112.06:206:22
2212.06:216:20
2312.06:226:19
2411.96:226:17
2511.96:236:16
2611.86:246:15
2711.86:256:13
2811.86:256:12
2911.76:266:10
3011.76:276:09

Solar energy in September

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in September, about 5.11 kWh/m².

For context, solar energy here swings from a low near 2.53 kWh/m² to a high of 6.87 kWh/m² in July across the year — September's 5.11 kWh/m² falls in the middle.

0246151015202530
Solar energy (kWh/m²)Level
15.7Bright
25.6Bright
35.6Bright
45.5Bright
55.5Bright
65.4Bright
75.4Bright
85.3Bright
95.3Bright
105.2Bright
115.2Bright
125.2Bright
135.1Bright
145.1Bright
155.0Bright
165.0Bright
175.0Bright
185.0Bright
195.0Bright
204.9Bright
214.9Bright
224.9Bright
234.9Bright
244.9Bright
254.9Bright
264.8Bright
274.8Bright
284.8Bright
294.8Bright
304.7Bright
Planning a trip in September

Is September a good time to visit Ardmore?

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

5.8
Sightseeing
6th-best month of the year
7.4
Beach & pool
1st-best month of the year

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

What to pack for Ardmore in September

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

In September, Ardmore sees daytime highs around 85°F and nights near 66°F. Pack light clothes. Worth having: sun protection. About 7 days see rain.

light clothessun protection

UV index in Ardmore 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 Ardmore peaks around June 23 at about 10 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near December 21 at about 3 (moderate).

The index reaches 3 or more — the level where the WHO recommends sun protection — in 11 months of the year.

025710JanFebMarAprMayJunJulAugSepOctNovDecModerateHighVery highExtremeVery highHighModerateJun 23UV 10Dec 21UV 3
UV index (midday)Level
Jan3Moderate
Feb5Moderate
Mar6High
Apr9Very high
May9Very high
Jun10Extreme
Jul10Extreme
Aug10Very high
Sep7Very high
Oct6High
Nov4Moderate
Dec3Moderate

Air quality in Ardmore 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 Ardmore is worst in July — around 16 µg/m³ PM2.5 (moderate), about 3.2× the cleanest month (November, 5 µg/m³).

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

01020JanFebMarAprMayJunJulAugSepOctNovDecGoodModerateGoodJul 1715 µg/m³Nov 185 µg/m³
PM2.5 (µg/m³)Level
Jan6Good
Feb7Good
Mar10Good
Apr8Good
May11Good
Jun13Moderate
Jul16Moderate
Aug13Moderate
Sep9Good
Oct5Good
Nov5Good
Dec5Good
Location & terrain

Where is Ardmore?

Ardmore sits at 34.2°N, 97.1°W, 873 ft above sea level, in United States. The nearest listed city is Gainesville, 38 mi away.

Topography around Ardmore

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

Within 2 miles, the terrain around Ardmore has only modest variations in elevation — a maximum elevation change of 144 ft around an average of 873 ft above sea level; within 10 miles, only modest variations in elevation — a maximum elevation change of 364 ft; within 50 miles, significant variations in elevation — a maximum elevation change of 925 ft.

The land around Ardmore is covered by trees (42%), artificial surfaces (32%) and grassland (21%) within 2 miles, trees (46%) and grassland (46%) within 10 miles, and grassland (57%) and trees (35%) within 50 miles.

2 miles
144 ft
10 miles
364 ft
50 miles
925 ft
treesgrasslandcroplandartificial surfacesbare terrainwater
September weather nearby: Gainesville 38 mi · Denison 45 mi · Durant 46 mi · Sherman 48 mi · Ada 49 mi · Duncan 52 mi · Celina 62 mi · Denton 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 Ardmore (34.1743°, -97.1436°, elevation 873 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).