Lawton weather in September

In September, Lawton sees average daytime highs of 86°F and overnight lows near 65°F, with 2.6 in of rain across 6.6 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 58% 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 Lawton's 3rd-clearest and 11th-windiest month. For the whole year in context, see Lawton's year-round climate.

Daytime high
86°
4th warmest
Overnight low
65°
9th coldest
Rainfall
2.6 in
6.6 wet days
Daylight
12 h 12 min
6:21 AM – 6:34 PM
Cloud cover
38%
3rd clearest
Wind
8 mph
11th windiest
Solar energy
5.22 kWh/m²
Travel score
5.7
out of 10

Lawton is city and County seat of Comanche County, Oklahoma, United States.

Density
458/km²
people per km²
Founded
1901

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 Lawton reaches about 86°F in the afternoon and slips back to 65°F overnight — a 21°F spread between the day's warmth and the night's chill. On most days the high lands between 76°F and 95°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)
19170
29170
39070
49069
59069
68969
78969
88868
98868
108867
118767
128767
138767
148666
158666
168565
178565
188565
198564
208464
218463
228463
238463
248362
258362
268361
278361
288260
298260
308260

How September really feels in Lawton

Once humidity and wind are folded in, September averages 5 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
5
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.

Lawton 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
Jan52° / 32°1.44.50.89.93.4
Feb57° / 35°1.75.5110.74.6
Mar66° / 43°2.870.411.76.6
Apr74° / 51°3.67.4012.87.4
May82° / 61°4.410.6013.86.2
Jun90° / 70°3.18.3014.34.2
Jul95° / 74°1.65.4014.13.0
Aug94° / 73°1.75.3013.33.3
Sep86° / 65°2.66.6012.25.7
Oct75° / 53°3.16.6011.17.7
Nov63° / 42°2.05.20.310.26.3
Dec53° / 33°1.94.90.79.73.6

Cloud cover in September

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 58% 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 26%.

0%25%50%75%100%151015202530
Clearer (%)Cloudier (%)
17822
27723
37624
47525
57426
67327
77327
87228
97228
107129
117030
127129
137030
147030
157030
167030
177030
187228
197228
207426
217525
227624
237723
247921
257921
268020
278020
288020
298020
307921

Chance of precipitation in September

Any precipitation

Lawton gets around 2.6 in of rain over 6.6 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 22% and peaks near 25% on the wettest days.

0%10%20%30%40%151015202530
Rain chance (%)
120
221
321
422
523
623
724
824
924
1024
1125
1225
1325
1425
1525
1625
1725
1824
1924
2023
2122
2221
2320
2419
2518
2618
2717
2817
2917
3017

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 31% of them.

0%25%50%75%100%151015202530
Dry (%)Comfortable (%)Humid (%)Muggy (%)Oppressive (%)
1101731376
2111730365
3121730355
4131829356
5141828346
6151728346
7161727336
8171727336
9181626336
10191626326
11201626326
12211626326
13221525316
14231525316
15241525305
16261525295
17271525295
18291524284
19311524264
20331524254
21351523243
22371523223
23391622212
24411622192
25431721182
26451720162
27461719152
28481819141
29491818131
30511917121

Wind in September

Winds average 8 mph in September.

Across September, daily wind ranges from about 8 mph on the calmest days to 9 mph at its breeziest. It stays fairly steady from day to day.

051015151015202530
Wind speed (mph)Feels
18light breeze
28light breeze
38light breeze
48light breeze
58light breeze
68light breeze
78light breeze
88light breeze
98light breeze
108light breeze
118light breeze
128light breeze
138light breeze
148light breeze
158light breeze
168light breeze
178light breeze
188light breeze
199light breeze
209light breeze
219light breeze
229light breeze
239light breeze
249light breeze
259light breeze
269light breeze
279light breeze
289light breeze
299light breeze
309light 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 6:10 AM to 6:32 AM, and sunset from 6:56 PM to 6:14 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202530
Daylight (h)Sunrise (AM)Sunset (PM)
112.86:106:56
212.76:116:55
312.76:126:53
412.76:136:52
512.66:136:50
612.66:146:49
712.56:156:48
812.56:166:46
912.56:166:45
1012.46:176:43
1112.46:186:42
1212.46:196:40
1312.36:196:39
1412.36:206:37
1512.36:216:36
1612.26:216:34
1712.26:226:33
1812.16:236:31
1912.16:246:30
2012.16:246:28
2112.06:256:27
2212.06:266:25
2312.06:276:24
2411.96:276:22
2511.96:286:21
2611.86:296:20
2711.86:306:18
2811.86:306:17
2911.76:316:15
3011.76:326:14

Solar energy in September

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in September, about 5.22 kWh/m².

For context, solar energy here swings from a low near 2.65 kWh/m² to a high of 6.99 kWh/m² in July across the year — September's 5.22 kWh/m² falls in the middle.

0246151015202530
Solar energy (kWh/m²)Level
15.8Bright
25.8Bright
35.7Bright
45.7Bright
55.6Bright
65.5Bright
75.5Bright
85.5Bright
95.4Bright
105.3Bright
115.3Bright
125.3Bright
135.2Bright
145.2Bright
155.2Bright
165.1Bright
175.1Bright
185.1Bright
195.1Bright
205.0Bright
215.0Bright
225.0Bright
235.0Bright
245.0Bright
255.0Bright
264.9Bright
274.9Bright
284.9Bright
294.9Bright
304.8Bright
Planning a trip in September

Is September a good time to visit Lawton?

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

5.7
Sightseeing
6th-best month of the year
7.6
Beach & pool
1st-best month of the year

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

What to pack for Lawton in September

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

In September, Lawton sees daytime highs around 86°F and nights near 65°F. Pack light clothes. Worth having: sun protection. About 7 days see rain.

light clothessun protection

UV index in Lawton 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 Lawton 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 Lawton?

Lawton sits at 34.6°N, 98.4°W, 1,112 ft above sea level, in United States. The nearest listed city is Duncan, 25 mi away.

Topography around Lawton

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

Within 2 miles, the terrain around Lawton has only modest variations in elevation — a maximum elevation change of 141 ft around an average of 1,112 ft above sea level; within 10 miles, only modest variations in elevation — a maximum elevation change of 741 ft; within 50 miles, significant variations in elevation — a maximum elevation change of 1,621 ft.

The land around Lawton is covered by grassland (35%), artificial surfaces (32%) and trees (23%) within 2 miles, grassland (67%) within 10 miles, and grassland (61%) and cropland (26%) within 50 miles.

2 miles
141 ft
10 miles
741 ft
50 miles
1,621 ft
treesgrasslandcroplandartificial surfacesbare terrainwater
September weather nearby: Duncan 25 mi · Chickasha 40 mi · Wichita Falls 48 mi · Altus 53 mi · Mustang 65 mi · El Reno 68 mi · Norman 68 mi · Yukon 71 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 Lawton (34.6087°, -98.3903°, elevation 1,112 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).