Mansfield weather in September

In September, Mansfield sees average daytime highs of 87°F and overnight lows near 69°F, with 2.4 in of rain across 5.9 wet days and about 12.2 hours of daylight. It is the 4th-warmest and 10th-wettest month of the year here.

Highs ease over the month, from about 91°F in the first days to 84°F by the end. The sky is clear or mostly clear about 55% of the time in September, and the air most often feels muggy.

Daylight stretches from about 12 h 42 min at the start of September to 11 h 42 min by month's end. Set against the rest of the year, September is Mansfield's 2nd-clearest and 11th-windiest month. For the whole year in context, see Mansfield's year-round climate.

Daytime high
87°
4th warmest
Overnight low
69°
9th coldest
Rainfall
2.4 in
5.9 wet days
Daylight
12 h 12 min
6:17 AM – 6:29 PM
Cloud cover
40%
2nd clearest
Wind
7 mph
11th windiest
Solar energy
5.19 kWh/m²
Travel score
5.2
out of 10

Mansfield is city in Texas, USA; suburb of the Dallas-Fort Worth Metroplex.

Density
681/km²
people per km²
Founded
1856

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 91°F in the first days to 84°F by the end.

A typical September day in Mansfield reaches about 87°F in the afternoon and slips back to 69°F overnight — a 19°F spread between the day's warmth and the night's chill. On most days the high lands between 78°F and 95°F. Set against its neighbours, September runs about 6°F cooler than August and about 10°F warmer than October.

60°80°100°151015202530
Avg high (°F)Avg low (°F)
19173
29173
39172
49172
59072
69072
79071
88971
98971
108970
118870
128870
138869
148869
158769
168769
178768
188768
198668
208667
218667
228666
238566
248566
258565
268565
278564
288464
298464
308463

How September really feels in Mansfield

Once humidity and wind are folded in, September averages 11 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
11
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.

Mansfield weather by month

How September compares with the rest of the year at a glance. September is the 4th-warmest and 10th-wettest month here — the current month is highlighted below.

MonthHigh / Low (°F)Rainfall (inches)Wet daysSnow daysDaylight (hours)Travel score
Jan56° / 38°2.66.30.410.14.4
Feb61° / 41°2.670.510.85.3
Mar68° / 49°3.58.60.111.86.6
Apr75° / 56°3.88.5012.87.2
May83° / 65°4.610.5013.66.0
Jun90° / 72°3.38.1014.14.2
Jul94° / 76°1.65.8013.93.1
Aug94° / 75°2.36.1013.23.2
Sep87° / 69°2.45.9012.25.2
Oct78° / 58°3.87.5011.27.4
Nov66° / 47°3.16.30.110.36.8
Dec58° / 40°3.16.40.39.94.8

Cloud cover in September

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 55% of the time in September.

Beyond those clear spells, partly cloudy skies cover about 16% of September, with mostly cloudy or overcast conditions the remaining 29%. Skies tend to open up as the month goes on.

0%25%50%75%100%151015202530
Clearer (%)Cloudier (%)
17228
27228
37129
47129
57030
67030
76931
86931
96832
106832
116832
126733
136733
146733
156733
166832
176832
186931
196931
207030
217228
227327
237426
247426
257525
267624
277624
287624
297624
307624

Chance of precipitation in September

Any precipitation

Mansfield gets around 2.4 in of rain over 5.9 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 20% and peaks near 24% on the wettest days. The odds ease toward the end of the month.

0%10%20%30%151015202530
Rain chance (%)
123
223
324
424
524
624
724
824
924
1024
1124
1223
1323
1423
1522
1622
1721
1821
1920
2019
2118
2217
2316
2415
2515
2614
2714
2814
2915
3015

Humidity in September

DryComfortableHumidMuggyOppressiveMiserable

Most of September feels muggy — the stacked bands show each day's mix of comfort levels, read off the dew point.

By dew point, September lands in the muggy band about 32% of days. Sticky, muggy-or-worse air turns up on roughly 49% of them.

0%25%50%75%100%151015202530
Dry (%)Comfortable (%)Humid (%)Muggy (%)Oppressive (%)
1410214123
2510224023
3611223922
4711223822
5811223722
6911223622
7911223622
81010223522
91110223522
101210213522
111210213521
121310213521
131410213521
141410203520
151510203420
161610203419
171711203419
181911193318
192012193217
202212193116
212313183015
222514182914
232714182713
242915182612
253115182512
263216182311
273416182210
28351619219
29371619209
30381619198

Wind in September

Winds average 7 mph in September.

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

0246810151015202530
Wind speed (mph)Feels
17calm
27calm
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
297light breeze
307light breeze

Sunrise & sunset in September

DaylightNight

Daylight runs from about 12 h 42 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 60 minutes over September. Sunrise moves from 6:07 AM to 6:26 AM, and sunset from 6:49 PM to 6:09 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202530
Daylight (h)Sunrise (AM)Sunset (PM)
112.76:076:49
212.76:086:48
312.66:086:47
412.66:096:45
512.66:106:44
612.56:106:43
712.56:116:41
812.56:126:40
912.46:126:39
1012.46:136:37
1112.46:146:36
1212.36:146:34
1312.36:156:33
1412.36:166:32
1512.26:166:30
1612.26:176:29
1712.26:186:27
1812.16:186:26
1912.16:196:25
2012.16:206:23
2112.06:206:22
2212.06:216:20
2312.06:226:19
2411.96:226:18
2511.96:236:16
2611.96:246:15
2711.86:246:13
2811.86:256:12
2911.86:266:11
3011.76:266:09

Solar energy in September

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in September, about 5.19 kWh/m².

For context, solar energy here swings from a low near 2.64 kWh/m² to a high of 6.85 kWh/m² in July across the year — September's 5.19 kWh/m² falls in the middle.

0246151015202530
Solar energy (kWh/m²)Level
15.7Bright
25.6Bright
35.6Bright
45.5Bright
55.5Bright
65.5Bright
75.4Bright
85.4Bright
95.3Bright
105.3Bright
115.3Bright
125.2Bright
135.2Bright
145.2Bright
155.1Bright
165.1Bright
175.1Bright
185.1Bright
195.1Bright
205.0Bright
215.0Bright
225.0Bright
235.0Bright
245.0Bright
255.0Bright
265.0Bright
274.9Bright
284.9Bright
294.9Bright
304.8Bright
Planning a trip in September

Is September a good time to visit Mansfield?

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

5.2
Sightseeing
7th-best month of the year
7.5
Beach & pool
1st-best month of the year

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

What to pack for Mansfield in September

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

In September, Mansfield sees daytime highs around 87°F and nights near 69°F. Pack light clothes. Worth having: sun protection. About 6 days see rain.

light clothessun protection

UV index in Mansfield in September

LowModerateHighVery highExtreme

Clear-sky midday UV in September peaks around 8 — enough to warrant sun protection. The full-year curve, shaded by WHO exposure level, is below.

Under clear skies, the midday UV index in Mansfield peaks around July 14 at about 10 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near December 20 at about 3 (moderate).

The index reaches 3 or more — the level where the WHO recommends sun protection — every month of the year.

025710JanFebMarAprMayJunJulAugSepOctNovDecModerateHighVery highExtremeVery highHighModerateJul 14UV 10Dec 20UV 3
UV index (midday)Level
Jan4Moderate
Feb5High
Mar6High
Apr9Very high
May10Very high
Jun10Extreme
Jul10Extreme
Aug10Extreme
Sep8Very high
Oct6High
Nov5Moderate
Dec3Moderate

Air quality in Mansfield 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 Mansfield is worst in July — around 18 µg/m³ PM2.5 (moderate), about 2.7× the cleanest month (December, 7 µg/m³).

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

01020JanFebMarAprMayJunJulAugSepOctNovDecGoodModerateGoodJul 1517 µg/m³Dec 127 µg/m³
PM2.5 (µg/m³)Level
Jan7Good
Feb8Good
Mar9Good
Apr10Good
May14Moderate
Jun15Moderate
Jul18Moderate
Aug14Moderate
Sep11Good
Oct7Good
Nov7Good
Dec7Good
Location & terrain

Where is Mansfield?

Mansfield sits at 32.6°N, 97.1°W, 604 ft above sea level, in United States. The nearest listed city is Midlothian, 9.9 mi away.

Topography around Mansfield

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

Within 2 miles, the terrain around Mansfield has only modest variations in elevation — a maximum elevation change of 144 ft around an average of 636 ft above sea level; within 10 miles, only modest variations in elevation — a maximum elevation change of 417 ft; within 50 miles, significant variations in elevation — a maximum elevation change of 1,020 ft.

The land around Mansfield is covered by grassland (32%), trees (31%) and artificial surfaces (29%) within 2 miles, grassland (40%) and trees (29%) within 10 miles, and grassland (47%) and trees (27%) within 50 miles.

2 miles
144 ft
10 miles
417 ft
50 miles
1,020 ft
treesgrasslandcroplandartificial surfacesbare terrainwater
September weather nearby: Midlothian 9.9 mi · Burleson 11 mi · Cedar Hill 11 mi · Arlington 12 mi · Duncanville 15 mi · Grand Prairie 15 mi · Fort Worth 16 mi · DeSoto 17 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 Mansfield (32.5632°, -97.1417°, elevation 604 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).