Bethany weather in September

In September, Bethany sees average daytime highs of 84°F and overnight lows near 64°F, with 2.7 in of rain across 6.9 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 89°F in the first days to 80°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 Bethany's 2nd-clearest and 11th-windiest month. For the whole year in context, see Bethany's year-round climate.

Daytime high
84°
4th warmest
Overnight low
64°
9th coldest
Rainfall
2.7 in
6.9 wet days
Daylight
12 h 12 min
6:18 AM – 6:31 PM
Cloud cover
39%
2nd clearest
Wind
9 mph
11th windiest
Solar energy
5.13 kWh/m²
Travel score
6.2
out of 10

Bethany is city in Oklahoma, United States.

Density
1,447/km²
people per km²
Founded
1909

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 Bethany reaches about 84°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 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)
18969
28969
38969
48868
58868
68767
78767
88767
98666
108666
118566
128565
138565
148465
158464
168364
178364
188363
198363
208262
218262
228261
238261
248160
258160
268160
278059
288059
298058
307958

How September really feels in Bethany

Once humidity and wind are folded in, September averages 1 day 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
1
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.

Bethany 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
Jan49° / 30°1.44.51.29.92.4
Feb54° / 33°1.75.31.410.73.6
Mar63° / 42°2.77.20.711.75.9
Apr71° / 50°3.78.3012.97.0
May79° / 60°4.411013.86.5
Jun88° / 69°3.69.3014.44.6
Jul93° / 73°2.26.4014.23.4
Aug92° / 72°2.56.6013.33.8
Sep84° / 64°2.76.9012.26.2
Oct73° / 52°2.87.20.111.17.6
Nov60° / 40°1.95.50.410.15.6
Dec50° / 32°1.751.39.62.7

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 30%. Skies tend to open up as the month goes on.

0%25%50%75%100%151015202530
Clearer (%)Cloudier (%)
17525
27525
37426
47327
57228
67129
77030
86931
96832
106733
116634
126634
136634
146535
156436
166436
176535
186535
196634
206733
216832
227030
237129
247327
257426
267525
277525
287525
297624
307624

Chance of precipitation in September

Any precipitation

Bethany gets around 2.7 in of rain over 6.9 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 (%)
121
221
322
422
523
623
724
825
925
1026
1126
1227
1327
1427
1527
1627
1727
1826
1926
2025
2124
2223
2322
2421
2520
2620
2719
2819
2919
3020

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 30% of them.

0%25%50%75%100%151015202530
Dry (%)Comfortable (%)Humid (%)Muggy (%)Oppressive (%)
191828396
2101927386
3121927376
4131927355
5141927345
6151926345
7171926335
8181926335
9191825325
10201825325
11211725325
12231725315
13241724314
14251624304
15271624294
16281624294
17301623284
18311523273
19331522263
20351622243
21371621233
22401620213
23421619203
24441719182
25461718172
26481817152
27501816142
28521815132
29531915121
30551914111

Wind in September

Winds average 9 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
129light breeze
139light breeze
149light breeze
159light breeze
169light breeze
179light breeze
189light 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 6:07 AM to 6:29 AM, and sunset from 6:54 PM to 6:10 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202530
Daylight (h)Sunrise (AM)Sunset (PM)
112.86:076:54
212.76:076:52
312.76:086:51
412.76:096:49
512.66:106:48
612.66:116:47
712.66:116:45
812.56:126:44
912.56:136:42
1012.46:146:41
1112.46:146:39
1212.46:156:38
1312.36:166:36
1412.36:176:35
1512.36:176:33
1612.26:186:31
1712.26:196:30
1812.16:206:28
1912.16:216:27
2012.16:216:25
2112.06:226:24
2212.06:236:22
2312.06:246:21
2411.96:256:19
2511.96:256:18
2611.86:266:16
2711.86:276:15
2811.86:286:13
2911.76:296:12
3011.76:296:10

Solar energy in September

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in September, about 5.13 kWh/m².

For context, solar energy here swings from a low near 2.52 kWh/m² to a high of 6.94 kWh/m² in July across the year — September's 5.13 kWh/m² falls in the middle.

0246151015202530
Solar energy (kWh/m²)Level
15.8Bright
25.7Bright
35.6Bright
45.6Bright
55.5Bright
65.5Bright
75.4Bright
85.4Bright
95.3Bright
105.3Bright
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
304.8Bright
Planning a trip in September

Is September a good time to visit Bethany?

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
7.5
Beach & pool
1st-best month of the year

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

What to pack for Bethany in September

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

In September, Bethany sees daytime highs around 84°F and nights near 64°F. Pack light clothes. Worth having: sun protection. About 7 days see rain.

light clothessun protection

UV index in Bethany 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 Bethany 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.

025710JanFebMarAprMayJunJulAugSepOctNovDecModerateVery 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 Bethany?

Bethany sits at 35.5°N, 97.6°W, 1,309 ft above sea level, in United States. The nearest listed city is Yukon, 7.5 mi away.

Topography around Bethany

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

Within 2 miles, the terrain around Bethany has only modest variations in elevation — a maximum elevation change of 154 ft around an average of 1,296 ft above sea level; within 10 miles, only modest variations in elevation — a maximum elevation change of 381 ft; within 50 miles, significant variations in elevation — a maximum elevation change of 1,014 ft.

The land around Bethany is covered by artificial surfaces (50%), trees (23%) and grassland (23%) within 2 miles, grassland (36%) and artificial surfaces (36%) within 10 miles, and grassland (49%), trees (26%) and cropland (21%) within 50 miles.

2 miles
154 ft
10 miles
381 ft
50 miles
1,014 ft
treesgrasslandcroplandartificial surfacesbare terrainwater
September weather nearby: Yukon 7.5 mi · Oklahoma City 7.5 mi · Mustang 11 mi · Del City 12 mi · Edmond 12 mi · Midwest City 14 mi · Moore 15 mi · El Reno 18 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 Bethany (35.5187°, -97.6323°, elevation 1,309 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).