Shawnee weather in September

In September, Shawnee sees average daytime highs of 84°F and overnight lows near 65°F, with 3.3 in of rain across 7 wet days and about 12.2 hours of daylight. It is the 4th-warmest and 4th-wettest month of the year here.

Highs ease over the month, from about 89°F in the first days to 80°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 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 Shawnee's 2nd-clearest and 11th-windiest month. For the whole year in context, see Shawnee's year-round climate.

Daytime high
84°
4th warmest
Overnight low
65°
9th coldest
Rainfall
3.3 in
7 wet days
Daylight
12 h 12 min
6:15 AM – 6:29 PM
Cloud cover
40%
2nd clearest
Wind
7 mph
11th windiest
Solar energy
5.04 kWh/m²
Travel score
6.2
out of 10

Shawnee is city in Pottawatomie County, Oklahoma, United States.

Density
260/km²
people per km²
Founded
1895

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 80°F by the end.

A typical September day in Shawnee reaches about 84°F in the afternoon and slips back to 65°F overnight — a 19°F spread between the day's warmth and the night's chill. On most days the high lands between 74°F and 93°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)
18970
28969
38969
48869
58869
68768
78768
88767
98667
108667
118566
128566
138566
148465
158465
168465
178364
188364
198364
208263
218263
228262
238262
248161
258161
268160
278060
288060
298059
308059

How September really feels in Shawnee

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.

Shawnee weather by month

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

MonthHigh / Low (°F)Rainfall (inches)Wet daysSnow daysDaylight (hours)Travel score
Jan50° / 32°1.65.40.99.92.6
Feb55° / 35°1.95.81.310.73.8
Mar63° / 43°3.18.20.611.75.8
Apr71° / 51°4.39012.96.9
May79° / 61°5.011.3013.86.5
Jun88° / 70°4.19.3014.34.7
Jul93° / 74°2.46.6014.13.5
Aug92° / 72°2.47.1013.33.7
Sep84° / 65°3.37012.26.2
Oct73° / 53°3.27.5011.17.5
Nov61° / 42°2.160.410.15.7
Dec51° / 34°2.15.21.19.73.0

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 15% of September, with mostly cloudy or overcast conditions the remaining 30%. Skies tend to open up as the month goes on.

0%25%50%75%100%151015202530
Clearer (%)Cloudier (%)
17426
27327
37327
47228
57129
67129
77030
86832
96832
106832
116634
126634
136634
146634
156535
166535
176535
186535
196733
206832
216931
227129
237129
247327
257426
267525
277525
287525
297525
307525

Chance of precipitation in September

Any precipitation

Shawnee gets around 3.3 in of rain over 7 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 26% on the wettest days.

0%10%20%30%40%151015202530
Rain chance (%)
123
223
323
424
524
624
725
825
925
1025
1126
1226
1326
1426
1526
1625
1725
1825
1924
2024
2123
2222
2322
2421
2521
2620
2720
2820
2920
3020

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 38% of them.

0%25%50%75%100%151015202530
Dry (%)Comfortable (%)Humid (%)Muggy (%)Oppressive (%)
1612254413
2712254312
3812264212
41012264112
51113263911
61213263811
71313263811
81412263710
91612253710
101712253710
11181225369
12191224369
13201224358
14211224358
15231323347
16241323337
17261323327
18271322316
19291322306
20311422286
21321421275
22341421255
23361521235
24381520224
25401620204
26421619194
27441719174
28451718164
29461718153
30481817143

Wind in September

Winds average 7 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.

0246810151015202530
Wind speed (mph)Feels
17calm
27calm
37calm
47calm
57calm
67calm
77calm
87calm
97calm
107calm
117calm
127calm
137calm
147calm
157calm
167calm
177calm
187calm
197calm
207calm
217calm
227calm
237calm
247calm
257calm
267calm
277light 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 6:04 AM to 6:26 AM, and sunset from 6:51 PM to 6:08 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202530
Daylight (h)Sunrise (AM)Sunset (PM)
112.86:046:51
212.76:056:49
312.76:066:48
412.76:066:47
512.66:076:45
612.66:086:44
712.66:096:42
812.56:096:41
912.56:106:39
1012.46:116:38
1112.46:126:36
1212.46:126:35
1312.36:136:33
1412.36:146:32
1512.36:156:30
1612.26:156:29
1712.26:166:27
1812.16:176:26
1912.16:186:24
2012.16:196:23
2112.06:196:21
2212.06:206:20
2312.06:216:18
2411.96:226:17
2511.96:226:15
2611.86:236:14
2711.86:246:12
2811.86:256:11
2911.76:266:09
3011.76:266:08

Solar energy in September

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in September, about 5.04 kWh/m².

For context, solar energy here swings from a low near 2.45 kWh/m² to a high of 6.83 kWh/m² in July across the year — September's 5.04 kWh/m² falls in the middle.

0246151015202530
Solar energy (kWh/m²)Level
15.6Bright
25.6Bright
35.5Bright
45.5Bright
55.4Bright
65.4Bright
75.3Bright
85.3Bright
95.2Bright
105.2Bright
115.1Bright
125.1Bright
135.0Bright
145.0Bright
155.0Bright
165.0Bright
174.9Bright
184.9Bright
194.9Bright
204.9Bright
214.8Bright
224.8Bright
234.8Bright
244.8Bright
254.8Bright
264.8Bright
274.8Bright
284.8Bright
294.7Bright
304.7Bright
Planning a trip in September

Is September a good time to visit Shawnee?

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

6.2
Sightseeing
4th-best month of the year
7.4
Beach & pool
1st-best month of the year

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

What to pack for Shawnee in September

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

In September, Shawnee sees daytime highs around 84°F and nights near 65°F. Pack light clothes. Worth having: sun protection. About 7 days see rain.

light clothessun protection

UV index in Shawnee in September

LowModerateHighVery highExtreme

Clear-sky midday UV in September peaks around 8 — enough to warrant sun protection. The full-year curve, shaded by WHO exposure level, is below.

Under clear skies, the midday UV index in Shawnee 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 10 months of the year.

025710JanFebMarAprMayJunJulAugSepOctNovDecModerateHighVery highExtremeVery highHighModerateJun 23UV 10Dec 21UV 3
UV index (midday)Level
Jan3Moderate
Feb4Moderate
Mar6High
Apr9Very high
May8Very high
Jun10Extreme
Jul10Extreme
Aug9Very high
Sep8Very high
Oct5High
Nov4Moderate
Dec3Moderate

Air quality in Shawnee 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 Shawnee is worst in July — around 16 µg/m³ PM2.5 (moderate), about 3.3× the cleanest month (November, 5 µg/m³).

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

01020JanFebMarAprMayJunJulAugSepOctNovDecGoodModerateGoodJul 1716 µg/m³Nov 175 µg/m³
PM2.5 (µg/m³)Level
Jan6Good
Feb7Good
Mar10Good
Apr9Good
May11Good
Jun13Moderate
Jul16Moderate
Aug14Moderate
Sep9Good
Oct5Good
Nov5Good
Dec5Good
Location & terrain

Where is Shawnee?

Shawnee sits at 35.3°N, 96.9°W, 1,060 ft above sea level, in United States. The nearest listed city is Midwest City, 28 mi away.

Topography around Shawnee

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

Within 2 miles, the terrain around Shawnee has only modest variations in elevation — a maximum elevation change of 154 ft around an average of 1,037 ft above sea level; within 10 miles, only modest variations in elevation — a maximum elevation change of 341 ft; within 50 miles, only modest variations in elevation — a maximum elevation change of 781 ft.

The land around Shawnee is covered by trees (44%), grassland (23%) and artificial surfaces (22%) within 2 miles, grassland (47%) and trees (42%) within 10 miles, and grassland (46%) and trees (45%) within 50 miles.

2 miles
154 ft
10 miles
341 ft
50 miles
781 ft
treesgrasslandcroplandartificial surfacesbare terrainwater
September weather nearby: Midwest City 28 mi · Norman 30 mi · Del City 30 mi · Moore 32 mi · Oklahoma City 35 mi · Edmond 39 mi · Ada 40 mi · Bethany 42 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 Shawnee (35.3273°, -96.9253°, elevation 1,060 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).