Sedalia weather in September

In September, Sedalia sees average daytime highs of 79°F and overnight lows near 59°F, with 3.2 in of rain across 7.9 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 84°F in the first days to 75°F by the end. The sky is clear or mostly clear about 48% 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 Sedalia's 1st-clearest and 10th-windiest month. For the whole year in context, see Sedalia's year-round climate.

Daytime high
79°
4th warmest
Overnight low
59°
9th coldest
Rainfall
3.2 in
7.9 wet days
Daylight
12 h 12 min
6:00 AM – 6:15 PM
Cloud cover
45%
1st clearest
Wind
6 mph
10th windiest
Solar energy
4.84 kWh/m²
Travel score
7.0
out of 10

Sedalia is city in and county seat of Pettis County, Missouri, United States.

Density
624/km²
people per km²
Founded
1857

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 84°F in the first days to 75°F by the end.

A typical September day in Sedalia reaches about 79°F in the afternoon and slips back to 59°F overnight — a 20°F spread between the day's warmth and the night's chill. On most days the high lands between 69°F and 89°F. Set against its neighbours, September runs about 7°F cooler than August and about 12°F warmer than October.

40°60°80°151015202530
Avg high (°F)Avg low (°F)
18565
28465
38464
48464
58364
68363
78263
88262
98262
108162
118161
128061
138060
148060
157960
167959
177959
187858
197858
207858
217757
227757
237756
247656
257656
267655
277555
287554
297454
307454

How September really feels in Sedalia

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.

Sedalia 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
Jan40° / 23°1.96.93.79.60.0
Feb45° / 27°2.26.42.710.51.0
Mar55° / 37°3.310.21.511.73.6
Apr66° / 46°5.011.60.3135.8
May75° / 57°5.412.90.114.16.3
Jun84° / 66°4.711.7014.75.4
Jul88° / 70°3.99.4014.44.6
Aug87° / 68°3.18.8013.55.1
Sep79° / 59°3.27.9012.37.0
Oct67° / 48°3.48.70.2116.5
Nov54° / 37°2.77.41.19.93.5
Dec43° / 28°2.16.72.29.30.6

Cloud cover in September

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 48% of the time in September, the clearest month of the year.

Beyond those clear spells, partly cloudy skies cover about 15% of September, with mostly cloudy or overcast conditions the remaining 37%.

0%25%50%75%100%151015202530
Clearer (%)Cloudier (%)
16337
26337
36337
46436
56337
66337
76337
86337
96337
106238
116238
126238
136139
146040
156040
166040
176040
186040
196040
206139
216238
226337
236436
246436
256535
266535
276733
286733
296733
306733

Chance of precipitation in September

Any precipitation

Sedalia gets around 3.2 in of rain over 7.9 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 27% and peaks near 28% on the wettest days.

0%10%20%30%40%151015202530
Rain chance (%)
127
227
327
427
527
627
727
827
927
1027
1127
1228
1328
1428
1528
1628
1728
1828
1928
2028
2127
2227
2326
2426
2525
2625
2725
2825
2925
3025

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 36% of days. Sticky, muggy-or-worse air turns up on roughly 26% of them.

0%25%50%75%100%151015202530
Dry (%)Comfortable (%)Humid (%)Muggy (%)Oppressive (%)
11016253711
21217253611
31318253410
4151925329
5162025318
6182125297
7202124287
8222224276
9242223265
10262222255
11282321244
12292320244
13312319233
14332319233
15352218223
16372217222
17392216212
18402215202
19422215202
20442214191
21462113181
22482113171
23502113161
24522012151
25532012141
26551912131
27571912120
28591812110
29601812100
3063171190

Wind in September

Winds average 6 mph in September.

Across September, daily wind ranges from about 6 mph on the calmest days to 7 mph at its breeziest. It stays fairly steady from day to day.

0246810151015202530
Wind speed (mph)Feels
16calm
26calm
36calm
46calm
56calm
66calm
76calm
86calm
96calm
106calm
116calm
126calm
136calm
147calm
157calm
167calm
177calm
187calm
197calm
207calm
217calm
227calm
237calm
247calm
257calm
267calm
277calm
287calm
297calm
307calm

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 5:46 AM to 6:13 AM, and sunset from 6:39 PM to 5:52 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202530
Daylight (h)Sunrise (AM)Sunset (PM)
112.95:466:39
212.85:476:38
312.85:486:36
412.85:496:34
512.75:506:33
612.75:516:31
712.65:526:30
812.65:526:28
912.55:536:26
1012.55:546:25
1112.55:556:23
1212.45:566:21
1312.45:576:20
1412.35:586:18
1512.35:596:16
1612.26:006:15
1712.26:016:13
1812.26:026:11
1912.16:036:10
2012.16:036:08
2112.06:046:06
2212.06:056:05
2311.96:066:03
2411.96:076:01
2511.96:086:00
2611.86:095:58
2711.86:105:56
2811.76:115:55
2911.76:125:53
3011.66:135:52

Solar energy in September

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in September, about 4.84 kWh/m².

For context, solar energy here swings from a low near 1.99 kWh/m² to a high of 6.51 kWh/m² in July across the year — September's 4.84 kWh/m² falls in the middle.

0246151015202530
Solar energy (kWh/m²)Level
15.4Bright
25.3Bright
35.3Bright
45.3Bright
55.2Bright
65.2Bright
75.1Bright
85.1Bright
95.1Bright
105.0Bright
115.0Bright
124.9Bright
134.9Bright
144.8Bright
154.8Bright
164.8Bright
174.7Bright
184.7Bright
194.7Bright
204.6Bright
214.6Bright
224.6Bright
234.5Bright
244.5Bright
254.5Bright
264.4Bright
274.4Bright
284.4Bright
294.3Bright
304.3Bright
Planning a trip in September

Is September a good time to visit Sedalia?

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

7.0
Sightseeing
1st-best month of the year
6.8
Beach & pool
3rd-best month of the year

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

What to pack for Sedalia in September

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

In September, Sedalia sees daytime highs around 79°F and nights near 59°F. Worth packing: light clothes and sun protection. About 8 days see rain.

light clothessun protection

UV index in Sedalia 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 Sedalia peaks around June 21 at about 10 (very high) — sunscreen, a hat and midday shade are essential. It bottoms out near January 1 at about 2 (low).

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

025710JanFebMarAprMayJunJulAugSepOctNovDecModerateHighVery highHighModerateJun 21UV 10Jan 1UV 2
UV index (midday)Level
Jan2Low
Feb3Moderate
Mar5Moderate
Apr7High
May7Very high
Jun10Very high
Jul9Very high
Aug8Very high
Sep7High
Oct5Moderate
Nov3Moderate
Dec2Low

Air quality in Sedalia 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 Sedalia is worst in July — around 16 µg/m³ PM2.5 (moderate), about 2.4× the cleanest month (November, 7 µg/m³).

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

01020JanFebMarAprMayJunJulAugSepOctNovDecGoodModerateGoodJul 1716 µg/m³Nov 107 µg/m³
PM2.5 (µg/m³)Level
Jan9Good
Feb11Good
Mar12Good
Apr10Good
May12Moderate
Jun14Moderate
Jul16Moderate
Aug14Moderate
Sep11Good
Oct7Good
Nov7Good
Dec8Good
Location & terrain

Where is Sedalia?

Sedalia sits at 38.7°N, 93.2°W, 909 ft above sea level, in United States. The nearest listed city is Warrensburg, 28 mi away.

Topography around Sedalia

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

Within 2 miles, the terrain around Sedalia has only modest variations in elevation — a maximum elevation change of 154 ft around an average of 876 ft above sea level; within 10 miles, only modest variations in elevation — a maximum elevation change of 377 ft; within 50 miles, only modest variations in elevation — a maximum elevation change of 659 ft.

The land around Sedalia is covered by trees (43%) and grassland (27%) within 2 miles, cropland (35%), trees (33%) and grassland (29%) within 10 miles, and trees (39%), cropland (34%) and grassland (25%) within 50 miles.

2 miles
154 ft
10 miles
377 ft
50 miles
659 ft
treesgrasslandcroplandartificial surfacesbare terrainwater
September weather nearby: Warrensburg 28 mi · Columbia 51 mi · Jefferson City 58 mi · Blue Springs 61 mi · Lee's Summit 64 mi · Raymore 66 mi · East Independence 66 mi · Independence 69 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 Sedalia (38.7045°, -93.2283°, elevation 909 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).