Pittsburg weather in September

In September, Pittsburg sees average daytime highs of 81°F and overnight lows near 62°F, with 3.9 in of rain across 7.9 wet days and about 12.3 hours of daylight. It is the 4th-warmest and 4th-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 52% 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 Pittsburg's 1st-clearest and 10th-windiest month. For the whole year in context, see Pittsburg's year-round climate.

Daytime high
81°
4th warmest
Overnight low
62°
9th coldest
Rainfall
3.9 in
7.9 wet days
Daylight
12 h 12 min
6:06 AM – 6:20 PM
Cloud cover
43%
1st clearest
Wind
7 mph
10th windiest
Solar energy
4.88 kWh/m²
Travel score
6.7
out of 10

Pittsburg is city in Crawford County, in southeastern Kansas, United States.

Density
600/km²
people per km²
Founded
1876

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 Pittsburg reaches about 81°F in the afternoon and slips back to 62°F overnight — a 19°F spread between the day's warmth and the night's chill. On most days the high lands between 71°F and 90°F. Set against its neighbours, September runs about 8°F cooler than August and about 12°F warmer than October.

40°60°80°151015202530
Avg high (°F)Avg low (°F)
18767
28667
38667
48566
58566
68565
78465
88465
98364
108364
118264
128263
138263
148162
158162
168162
178061
188061
198060
207960
217959
227959
237859
247858
257858
267757
277757
287756
297656
307656

How September really feels in Pittsburg

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.

Pittsburg 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
Jan44° / 26°1.96.32.29.70.7
Feb49° / 30°2.16.6210.62.1
Mar59° / 39°3.79.8111.74.5
Apr68° / 48°5.311.20.112.96.1
May76° / 58°6.512.50.1146.4
Jun85° / 68°4.410.3014.55.2
Jul90° / 72°3.49.2014.34.2
Aug89° / 70°3.28.1013.44.6
Sep81° / 62°3.97.9012.36.7
Oct69° / 50°3.58.40.1117.0
Nov57° / 39°2.77.20.6104.3
Dec46° / 30°2.36.61.89.51.4

Cloud cover in September

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 52% of the time in September, the clearest month of the year.

Beyond those clear spells, partly cloudy skies cover about 13% of September, with mostly cloudy or overcast conditions the remaining 36%. Skies tend to open up as the month goes on.

0%25%50%75%100%151015202530
Clearer (%)Cloudier (%)
16634
26535
36535
46535
56535
66337
76238
86238
96238
106139
116139
126139
136139
146139
156139
166139
176139
186238
196238
206337
216436
226535
236634
246832
256931
267030
277030
287030
297129
307129

Chance of precipitation in September

Any precipitation

Pittsburg gets around 3.9 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 29% on the wettest days.

0%10%20%30%40%151015202530
Rain chance (%)
127
227
327
428
528
628
728
828
928
1028
1128
1228
1328
1428
1529
1629
1729
1828
1928
2028
2127
2226
2325
2425
2524
2623
2723
2823
2923
3023

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 31% of days. Sticky, muggy-or-worse air turns up on roughly 29% of them.

0%25%50%75%100%151015202530
Dry (%)Comfortable (%)Humid (%)Muggy (%)Oppressive (%)
1813274012
2914273812
31015273711
41216273510
5131727339
6141827329
7161827318
8171927307
9191926296
10202026286
11222025285
12232025275
13252024264
14272024264
15282023253
16302023243
17312022242
18332021232
19352020222
20372020212
21392019202
22412018192
23441917181
24461917171
25481816161
26511815151
27521815141
28541814131
29561714121
30571713121

Wind in September

Winds average 7 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
37calm
47calm
57calm
67calm
77calm
87calm
97calm
107calm
117calm
127calm
137calm
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 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 5:53 AM to 6:18 AM, and sunset from 6:44 PM to 5:58 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202530
Daylight (h)Sunrise (AM)Sunset (PM)
112.85:536:44
212.85:546:42
312.85:556:41
412.75:566:39
512.75:576:38
612.65:586:36
712.65:586:35
812.65:596:33
912.56:006:31
1012.56:016:30
1112.46:026:28
1212.46:036:27
1312.46:036:25
1412.36:046:23
1512.36:056:22
1612.26:066:20
1712.26:076:19
1812.26:086:17
1912.16:096:15
2012.16:096:14
2112.06:106:12
2212.06:116:11
2311.96:126:09
2411.96:136:07
2511.96:146:06
2611.86:156:04
2711.86:166:03
2811.76:176:01
2911.76:176:00
3011.76:185:58

Solar energy in September

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in September, about 4.88 kWh/m².

For context, solar energy here swings from a low near 2.15 kWh/m² to a high of 6.62 kWh/m² in July across the year — September's 4.88 kWh/m² falls in the middle.

0246151015202530
Solar energy (kWh/m²)Level
15.5Bright
25.4Bright
35.4Bright
45.3Bright
55.3Bright
65.2Bright
75.2Bright
85.1Bright
95.1Bright
105.0Bright
115.0Bright
125.0Bright
134.9Bright
144.9Bright
154.8Bright
164.8Bright
174.8Bright
184.7Bright
194.7Bright
204.7Bright
214.7Bright
224.6Bright
234.6Bright
244.6Bright
254.6Bright
264.6Bright
274.5Bright
284.5Bright
294.5Bright
304.5Bright
Planning a trip in September

Is September a good time to visit Pittsburg?

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

6.7
Sightseeing
2nd-best month of the year
7.1
Beach & pool
1st-best month of the year

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

What to pack for Pittsburg in September

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

In September, Pittsburg sees daytime highs around 81°F and nights near 62°F. Pack light clothes. Worth having: sun protection. About 8 days see rain.

light clothessun protection

UV index in Pittsburg 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 Pittsburg 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 (moderate).

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
Jan2Moderate
Feb4Moderate
Mar5High
Apr7Very high
May8Very high
Jun10Very high
Jul10Very high
Aug9Very high
Sep7Very high
Oct5Moderate
Nov4Moderate
Dec2Moderate

Air quality in Pittsburg 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 Pittsburg is worst in July — around 16 µg/m³ PM2.5 (moderate), about 2.7× the cleanest month (November, 6 µg/m³).

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

01020JanFebMarAprMayJunJulAugSepOctNovDecGoodModerateGoodJul 1416 µg/m³Nov 106 µg/m³
PM2.5 (µg/m³)Level
Jan7Good
Feb9Good
Mar12Good
Apr11Good
May12Good
Jun15Moderate
Jul16Moderate
Aug14Moderate
Sep10Good
Oct6Good
Nov6Good
Dec7Good
Location & terrain

Where is Pittsburg?

Pittsburg sits at 37.4°N, 94.7°W, 942 ft above sea level, in United States. The nearest listed city is Joplin, 25 mi away.

Topography around Pittsburg

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

Within 2 miles, the terrain around Pittsburg has only modest variations in elevation — a maximum elevation change of 115 ft around an average of 925 ft above sea level; within 10 miles, only modest variations in elevation — a maximum elevation change of 203 ft; within 50 miles, only modest variations in elevation — a maximum elevation change of 696 ft.

The land around Pittsburg is covered by trees (49%) and grassland (27%) within 2 miles, cropland (39%), grassland (31%) and trees (28%) within 10 miles, and grassland (43%), cropland (30%) and trees (26%) within 50 miles.

2 miles
115 ft
10 miles
203 ft
50 miles
696 ft
treesgrasslandcroplandartificial surfacesbare terrainwater
September weather nearby: Joplin 25 mi · Bella Vista 68 mi · Republic 70 mi · Bentonville 77 mi · Springfield 78 mi · Rogers 81 mi · Nixa 81 mi · Bartlesville 84 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 Pittsburg (37.4109°, -94.705°, elevation 942 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).