Chickasha weather in September

In September, Chickasha sees average daytime highs of 85°F and overnight lows near 64°F, with 2.9 in of rain across 6.8 wet days and about 12.2 hours of daylight. It is the 4th-warmest and 5th-wettest month of the year here.

Highs ease over the month, from about 89°F in the first days to 81°F by the end. The sky is clear or mostly clear about 57% 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 Chickasha's 3rd-clearest and 11th-windiest month. For the whole year in context, see Chickasha's year-round climate.

Daytime high
85°
4th warmest
Overnight low
64°
9th coldest
Rainfall
2.9 in
6.8 wet days
Daylight
12 h 12 min
6:20 AM – 6:33 PM
Cloud cover
39%
3rd clearest
Wind
8 mph
11th windiest
Solar energy
5.16 kWh/m²
Travel score
6.1
out of 10

Chickasha is city and county seat of Grady County, Oklahoma, United States.

Density
288/km²
people per km²

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 89°F in the first days to 81°F by the end.

A typical September day in Chickasha reaches about 85°F in the afternoon and slips back to 64°F overnight — a 20°F spread between the day's warmth and the night's chill. On most days the high lands between 74°F and 94°F. Set against its neighbours, September runs about 8°F cooler than August and about 11°F warmer than October.

40°60°80°100°151015202530
Avg high (°F)Avg low (°F)
19070
29069
38969
48969
58868
68868
78868
88767
98767
108667
118666
128666
138565
148565
158565
168464
178464
188364
198363
208363
218362
228262
238262
248261
258261
268160
278160
288159
298059
308058

How September really feels in Chickasha

Once humidity and wind are folded in, September averages 3 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
3
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.

Chickasha weather by month

How September compares with the rest of the year at a glance. September is the 4th-warmest and 5th-wettest month here — the current month is highlighted below.

MonthHigh / Low (°F)Rainfall (inches)Wet daysSnow daysDaylight (hours)Travel score
Jan50° / 31°1.34.30.99.92.7
Feb55° / 34°1.75.41.210.74.0
Mar64° / 42°2.87.10.511.76.2
Apr72° / 51°3.88012.97.2
May80° / 60°4.210.1013.86.5
Jun89° / 69°3.48.5014.34.5
Jul94° / 73°1.85.7014.13.3
Aug93° / 72°1.85.9013.33.6
Sep85° / 64°2.96.8012.26.1
Oct73° / 52°3.06.6011.17.7
Nov61° / 41°1.95.40.310.25.8
Dec51° / 33°1.84.61.19.73.0

Cloud cover in September

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 57% of the time in September.

Beyond those clear spells, partly cloudy skies cover about 14% of September, with mostly cloudy or overcast conditions the remaining 29%.

0%25%50%75%100%151015202530
Clearer (%)Cloudier (%)
17723
27525
37426
47426
57327
67228
77129
86931
96931
106931
116733
126733
136733
146733
156634
166634
176733
186733
196832
206931
217030
227129
237327
247426
257525
267525
277624
287723
297723
307723

Chance of precipitation in September

Any precipitation

Chickasha gets around 2.9 in of rain over 6.8 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 23% and peaks near 27% on the wettest days.

0%10%20%30%40%151015202530
Rain chance (%)
120
220
321
421
522
623
723
824
924
1025
1126
1226
1327
1427
1527
1627
1727
1826
1926
2025
2124
2223
2322
2421
2520
2620
2719
2819
2919
3019

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 32% of them.

0%25%50%75%100%151015202530
Dry (%)Comfortable (%)Humid (%)Muggy (%)Oppressive (%)
191829385
2111829385
3121828375
4131828365
5141827355
6151827355
7171826355
8181726345
9191725345
10201625345
11211624345
12221624345
13231623335
14241523334
15251523324
16271523314
17281523304
18301522294
19311522283
20331622273
21351621253
22371621233
23391720222
24411720202
25431719182
26451819172
27471818152
28481818142
29501917131
30521916121

Wind in September

Winds average 8 mph in September.

Across September, daily wind ranges from about 7 mph on the calmest days to 8 mph at its breeziest. It stays fairly steady from day to day.

051015151015202530
Wind speed (mph)Feels
17calm
27calm
37calm
47calm
57calm
67calm
77calm
87calm
97calm
107calm
117light breeze
128light breeze
138light breeze
148light breeze
158light breeze
168light breeze
178light breeze
188light breeze
198light breeze
208light breeze
218light breeze
228light breeze
238light breeze
248light breeze
258light breeze
268light breeze
278light breeze
288light breeze
298light breeze
308light breeze

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 6:08 AM to 6:30 AM, and sunset from 6:55 PM to 6:12 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202530
Daylight (h)Sunrise (AM)Sunset (PM)
112.86:086:55
212.76:096:53
312.76:106:52
412.76:116:50
512.66:116:49
612.66:126:47
712.66:136:46
812.56:146:45
912.56:146:43
1012.46:156:42
1112.46:166:40
1212.46:176:39
1312.36:176:37
1412.36:186:36
1512.36:196:34
1612.26:206:33
1712.26:206:31
1812.16:216:30
1912.16:226:28
2012.16:236:27
2112.06:236:25
2212.06:246:24
2312.06:256:22
2411.96:266:21
2511.96:266:19
2611.86:276:18
2711.86:286:16
2811.86:296:15
2911.76:306:13
3011.76:306:12

Solar energy in September

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in September, about 5.16 kWh/m².

For context, solar energy here swings from a low near 2.57 kWh/m² to a high of 6.94 kWh/m² in July across the year — September's 5.16 kWh/m² falls in the middle.

0246151015202530
Solar energy (kWh/m²)Level
15.8Bright
25.7Bright
35.7Bright
45.6Bright
55.5Bright
65.5Bright
75.4Bright
85.4Bright
95.3Bright
105.3Bright
115.2Bright
125.2Bright
135.2Bright
145.1Bright
155.1Bright
165.1Bright
175.0Bright
185.0Bright
195.0Bright
205.0Bright
215.0Bright
224.9Bright
234.9Bright
244.9Bright
254.9Bright
264.9Bright
274.9Bright
284.8Bright
294.8Bright
304.8Bright
Planning a trip in September

Is September a good time to visit Chickasha?

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

6.1
Sightseeing
5th-best month of the year
7.5
Beach & pool
1st-best month of the year

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

What to pack for Chickasha in September

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

In September, Chickasha sees daytime highs around 85°F and nights near 64°F. Pack light clothes. Worth having: sun protection. About 7 days see rain.

light clothessun protection

UV index in Chickasha 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 Chickasha 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
Feb4Moderate
Mar6High
Apr9Very high
May8Very high
Jun10Extreme
Jul10Extreme
Aug10Very high
Sep7Very high
Oct5High
Nov4Moderate
Dec3Moderate
Location & terrain

Where is Chickasha?

Chickasha sits at 35.1°N, 97.9°W, 1,093 ft above sea level, in United States. The nearest listed city is Mustang, 26 mi away.

Topography around Chickasha

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

Within 2 miles, the terrain around Chickasha has only modest variations in elevation — a maximum elevation change of 135 ft around an average of 1,102 ft above sea level; within 10 miles, only modest variations in elevation — a maximum elevation change of 394 ft; within 50 miles, significant variations in elevation — a maximum elevation change of 1,601 ft.

The land around Chickasha is covered by grassland (32%) and cropland (30%) within 2 miles, grassland (59%) and cropland (25%) within 10 miles, and grassland (57%) and trees (20%) within 50 miles.

2 miles
135 ft
10 miles
394 ft
50 miles
1,601 ft
treesgrasslandcroplandartificial surfacesbare terrainwater
September weather nearby: Mustang 26 mi · Norman 30 mi · Moore 32 mi · Yukon 33 mi · El Reno 33 mi · Bethany 37 mi · Oklahoma City 37 mi · Duncan 38 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 Chickasha (35.0526°, -97.9364°, elevation 1,093 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. Topography is sampled from the Copernicus DEM GLO-90 elevation model (© ESA/Airbus) and ESA WorldCover 2021 land cover (CC BY 4.0).