Great Bend weather in September

In September, Great Bend sees average daytime highs of 81°F and overnight lows near 59°F, with 2.1 in of rain across 6.5 wet days and about 12.3 hours of daylight. It is the 4th-warmest and 7th-wettest month of the year here.

Highs ease over the month, from about 86°F in the first days to 77°F by the end. The sky is clear or mostly clear about 59% of the time in September, and the air most often feels dry.

Daylight stretches from about 12 h 54 min at the start of September to 11 h 36 min by month's end. Set against the rest of the year, September is Great Bend's 1st-clearest and 6th-windiest month. For the whole year in context, see Great Bend's year-round climate.

Daytime high
81°
4th warmest
Overnight low
59°
9th coldest
Rainfall
2.1 in
6.5 wet days
Daylight
12 h 12 min
6:22 AM – 6:37 PM
Cloud cover
37%
1st clearest
Wind
10 mph
6th windiest
Solar energy
5.12 kWh/m²
Travel score
7.0
out of 10

Great Bend is city in and the county seat of Barton County, Kansas, United States.

Density
566/km²
people per km²
Founded
1871

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 86°F in the first days to 77°F by the end.

A typical September day in Great Bend reaches about 81°F in the afternoon and slips back to 59°F overnight — a 22°F spread between the day's warmth and the night's chill. On most days the high lands between 69°F and 93°F. Set against its neighbours, September runs about 8°F cooler than August and about 12°F warmer than October.

40°60°80°100°151015202530
Avg high (°F)Avg low (°F)
18765
28664
38664
48564
58563
68563
78462
88462
98362
108361
118361
128260
138260
148260
158159
168159
178058
188058
198057
207957
217956
227956
237856
247855
257855
267754
277754
287753
297653
307653

How September really feels in Great Bend

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

September sits comfortably in between — no days that feel dangerously hot or drop to a hard freeze once humidity and wind are folded in.

Great Bend weather by month

How September compares with the rest of the year at a glance. September is the 4th-warmest and 7th-wettest month here — the current month is highlighted below.

MonthHigh / Low (°F)Rainfall (inches)Wet daysSnow daysDaylight (hours)Travel score
Jan43° / 22°0.83.62.69.60.5
Feb47° / 26°1.14.62.510.51.7
Mar57° / 34°2.06.21.511.74.4
Apr66° / 44°2.78.80.6136.4
May76° / 54°4.510.9014.16.7
Jun86° / 65°3.59.3014.65.2
Jul91° / 69°2.88.7014.43.9
Aug89° / 67°3.18.5013.54.6
Sep81° / 59°2.16.5012.37.0
Oct69° / 46°2.360.3117.3
Nov55° / 34°1.34.419.94.3
Dec44° / 25°1.34.42.79.40.9

Cloud cover in September

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 59% of the time in September, the clearest month of the year.

Beyond those clear spells, partly cloudy skies cover about 11% of September, with mostly cloudy or overcast conditions the remaining 30%.

0%25%50%75%100%151015202530
Clearer (%)Cloudier (%)
17426
27327
37327
47228
57129
67030
77030
86931
96931
106832
116733
126733
136733
146733
156733
166733
176832
186832
196931
206931
217030
227030
237129
247129
257228
267327
277327
287327
297228
307228

Chance of precipitation in September

Any precipitation

Great Bend gets around 2.1 in of rain over 6.5 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 23% on the wettest days.

0%10%20%30%151015202530
Rain chance (%)
122
222
322
423
523
623
723
823
923
1023
1123
1223
1323
1423
1523
1623
1723
1823
1923
2022
2122
2222
2321
2421
2521
2621
2721
2821
2921
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 45% of days. Sticky, muggy-or-worse air turns up on roughly 9% of them.

0%25%50%75%100%151015202530
Dry (%)Comfortable (%)Humid (%)Muggy (%)
118243819
220243818
322243716
424243615
526243514
629243413
731243312
833243212
934243011
1036242911
1138242810
1239242710
134124269
144224249
154424239
164524229
174724218
184824208
195023198
205123188
215522167
225721157
236020146
246219136
256419125
266618115
276917104
287016104
29731593
30741583

Wind in September

Winds average 10 mph in September.

Across September, daily wind ranges from about 9 mph on the calmest days to 10 mph at its breeziest. It stays fairly steady from day to day.

051015151015202530
Wind speed (mph)Feels
19light breeze
210light breeze
310light breeze
410light breeze
510light breeze
610light breeze
710light breeze
810light breeze
910light breeze
1010light breeze
1110light breeze
1210light breeze
1310light breeze
1410light breeze
1510light breeze
1610light breeze
1710light breeze
1810light breeze
1910light breeze
2010light breeze
2110light breeze
2210light breeze
2310light breeze
2410light breeze
2510light breeze
2610light breeze
2710light breeze
2810light breeze
2910light breeze
3010light breeze

Sunrise & sunset in September

DaylightNight

Daylight runs from about 12 h 54 min at the start of September to 11 h 36 min by month's end. The lit band spans sunrise to sunset each day.

Days shrink by about 78 minutes over September. Sunrise moves from 6:09 AM to 6:35 AM, and sunset from 7:01 PM to 6:14 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202530
Daylight (h)Sunrise (AM)Sunset (PM)
112.96:097:01
212.86:096:59
312.86:106:58
412.76:116:56
512.76:126:55
612.76:136:53
712.66:146:51
812.66:156:50
912.56:166:48
1012.56:176:47
1112.56:186:45
1212.46:186:43
1312.46:196:42
1412.36:206:40
1512.36:216:38
1612.26:226:37
1712.26:236:35
1812.26:246:33
1912.16:256:32
2012.16:266:30
2112.06:276:28
2212.06:276:27
2311.96:286:25
2411.96:296:24
2511.96:306:22
2611.86:316:20
2711.86:326:19
2811.76:336:17
2911.76:346:15
3011.66:356:14

Solar energy in September

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in September, about 5.12 kWh/m².

For context, solar energy here swings from a low near 2.4 kWh/m² to a high of 6.93 kWh/m² in July across the year — September's 5.12 kWh/m² falls in the middle.

0246151015202530
Solar energy (kWh/m²)Level
15.8Bright
25.7Bright
35.7Bright
45.6Bright
55.5Bright
65.5Bright
75.5Bright
85.4Bright
95.3Bright
105.3Bright
115.3Bright
125.2Bright
135.2Bright
145.1Bright
155.1Bright
165.0Bright
175.0Bright
185.0Bright
194.9Bright
204.9Bright
214.9Bright
224.8Bright
234.8Bright
244.8Bright
254.7Bright
264.7Bright
274.7Bright
284.6Bright
294.6Bright
304.5Bright
Planning a trip in September

Hazard calendar for Great Bend

In seasonPeak

In September, Great Bend sits inside its rainy season season. The full year is below, with each hazard's peak months called out.

Great Bend's rainy season runs April–October, when most of the year's rain falls.

Rainy season
Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec

Is September a good time to visit Great Bend?

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

7.0
Sightseeing
2nd-best month of the year
7.4
Beach & pool
1st-best month of the year

September is one of the better times to visit Great Bend for general sightseeing. The water and warmth also suit a beach or pool day.

What to pack for Great Bend in September

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

In September, Great Bend sees daytime highs around 81°F and nights near 59°F. Pack light clothes. Worth having: sun protection. About 7 days see rain.

light clothessun protection

UV index in Great Bend 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 Great Bend peaks around July 14 at about 10 (very high) — sunscreen, a hat and midday shade are essential. It bottoms out near December 19 at about 2 (moderate).

The index reaches 3 or more — the level where the WHO recommends sun protection — in 10 months of the year.

025710JanFebMarAprMayJunJulAugSepOctNovDecModerateVery highHighModerateJul 14UV 10Dec 19UV 2
UV index (midday)Level
Jan3Moderate
Feb3Moderate
Mar5Moderate
Apr8Very high
May7Very high
Jun9Very high
Jul10Very high
Aug9Very high
Sep7High
Oct5High
Nov3Moderate
Dec2Moderate
Location & terrain

Where is Great Bend?

Great Bend sits at 38.4°N, 98.8°W, 1,850 ft above sea level, in United States. The nearest listed city is Hays, 47 mi away.

Topography around Great Bend

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

Within 2 miles, the terrain around Great Bend has only modest variations in elevation — a maximum elevation change of 52 ft around an average of 1,850 ft above sea level; within 10 miles, only modest variations in elevation — a maximum elevation change of 217 ft; within 50 miles, significant variations in elevation — a maximum elevation change of 978 ft.

The land around Great Bend is covered by cropland (33%), artificial surfaces (27%) and grassland (23%) within 2 miles, cropland (67%) and grassland (23%) within 10 miles, and cropland (58%) and grassland (39%) within 50 miles.

2 miles
52 ft
10 miles
217 ft
50 miles
978 ft
treesgrasslandcroplandartificial surfacesbare terrainwater
September weather nearby: Hays 47 mi · Hutchinson 50 mi · Salina 70 mi · Newton 80 mi · Dodge City 80 mi · Wichita 91 mi · Derby 99 mi · Junction City 114 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 Great Bend (38.3645°, -98.7648°, elevation 1,850 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).