Mount Pleasant weather in September

In September, Mount Pleasant sees average daytime highs of 87°F and overnight lows near 67°F, with 2.9 in of rain across 6.6 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 54% 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 Mount Pleasant's 1st-clearest and 10th-windiest month. For the whole year in context, see Mount Pleasant's year-round climate.

Daytime high
87°
4th warmest
Overnight low
67°
9th coldest
Rainfall
2.9 in
6.6 wet days
Daylight
12 h 12 min
6:08 AM – 6:20 PM
Cloud cover
42%
1st clearest
Wind
5 mph
10th windiest
Solar energy
5.05 kWh/m²
Travel score
5.1
out of 10

Mount Pleasant is city in and county seat of Titus County, Texas, United States.

Density
408/km²
people per km²

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 Mount Pleasant reaches about 87°F in the afternoon and slips back to 67°F overnight — a 21°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)
19171
29171
39171
49171
59170
69070
79070
89070
98969
108969
118969
128968
138868
148868
158867
168767
178767
188766
198766
208666
218665
228665
238564
248564
258564
268563
278463
288462
298462
308362

How September really feels in Mount Pleasant

Once humidity and wind are folded in, September averages 12 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
12
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.

Mount Pleasant 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
Jan55° / 37°3.58.80.510.13.7
Feb59° / 40°3.88.80.610.84.6
Mar67° / 47°4.810.30.111.76.2
Apr75° / 55°5.39.9012.86.9
May82° / 64°5.112013.75.8
Jun89° / 71°3.89.7014.14.1
Jul93° / 74°2.58.30143.2
Aug93° / 74°2.17013.23.2
Sep87° / 67°2.96.6012.25.1
Oct77° / 56°4.17.5011.27.4
Nov65° / 46°3.78.20.110.36.3
Dec57° / 39°4.28.50.19.84.2

Cloud cover in September

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 54% of the time in September, the clearest month of the year.

Beyond those clear spells, partly cloudy skies cover about 16% 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 (%)
16832
26832
36832
46832
56832
66832
76832
86832
96832
106832
116832
126832
136832
146832
156832
166832
176832
186931
196931
207030
217030
227129
237228
247327
257327
267426
277426
287426
297426
307426

Chance of precipitation in September

Any precipitation

Mount Pleasant gets around 2.9 in of rain over 6.6 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 25% on the wettest days. The odds ease toward the end of the month.

0%10%20%30%40%151015202530
Rain chance (%)
124
224
324
425
525
625
725
825
925
1025
1125
1225
1325
1425
1525
1624
1724
1823
1923
2022
2121
2220
2319
2419
2518
2617
2717
2817
2917
3017

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 29% of days. Sticky, muggy-or-worse air turns up on roughly 52% of them.

0%25%50%75%100%151015202530
Dry (%)Comfortable (%)Humid (%)Muggy (%)Oppressive (%)Miserable (%)
1471935341
2581935331
3581935321
4691934311
5791934301
68101834291
79101834290
810101834280
911101834270
1012101734270
1112111733260
1213111733250
1314111733250
1414121733241
1515121732231
1616131731231
1716131731221
1817131730211
1919141829201
2020141828191
2121151827181
2223151826181
2324161825170
2426171823160
2528171822150
2629181821140
2730181820130
2832191820120
2933191819110
3035201718100

Wind in September

Winds average 5 mph in September.

Across September, daily wind ranges from about 5 mph on the calmest days to 6 mph at its breeziest. It stays fairly steady from day to day.

0246810151015202530
Wind speed (mph)Feels
15calm
25calm
35calm
45calm
55calm
65calm
75calm
85calm
95calm
105calm
115calm
125calm
135calm
145calm
155calm
165calm
175calm
185calm
195calm
205calm
215calm
226calm
236calm
246calm
256calm
266calm
276calm
286calm
296calm
306calm

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 5:58 AM to 6:18 AM, and sunset from 6:41 PM to 6:01 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202530
Daylight (h)Sunrise (AM)Sunset (PM)
112.75:586:41
212.75:596:40
312.75:596:38
412.66:006:37
512.66:016:36
612.56:016:34
712.56:026:33
812.56:036:32
912.46:036:30
1012.46:046:29
1112.46:056:27
1212.36:056:26
1312.36:066:25
1412.36:076:23
1512.26:076:22
1612.26:086:20
1712.26:096:19
1812.16:096:17
1912.16:106:16
2012.16:116:15
2112.06:126:13
2212.06:126:12
2312.06:136:10
2411.96:146:09
2511.96:146:07
2611.96:156:06
2711.86:166:05
2811.86:166:03
2911.76:176:02
3011.76:186:01

Solar energy in September

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in September, about 5.05 kWh/m².

For context, solar energy here swings from a low near 2.4 kWh/m² to a high of 6.53 kWh/m² in July across the year — September's 5.05 kWh/m² falls in the middle.

0246151015202530
Solar energy (kWh/m²)Level
15.5Bright
25.4Bright
35.4Bright
45.4Bright
55.3Bright
65.3Bright
75.3Bright
85.2Bright
95.2Bright
105.2Bright
115.1Bright
125.1Bright
135.1Bright
145.0Bright
155.0Bright
165.0Bright
175.0Bright
185.0Bright
194.9Bright
204.9Bright
214.9Bright
224.9Bright
234.9Bright
244.9Bright
254.8Bright
264.8Bright
274.8Bright
284.8Bright
294.8Bright
304.7Bright
Planning a trip in September

Is September a good time to visit Mount Pleasant?

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

5.1
Sightseeing
6th-best month of the year
7.4
Beach & pool
1st-best month of the year

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

What to pack for Mount Pleasant in September

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

In September, Mount Pleasant sees daytime highs around 87°F and nights near 67°F. Pack light clothes. Worth having: sun protection. About 7 days see rain.

light clothessun protection

UV index in Mount Pleasant in September

LowModerateHighVery highExtreme

Clear-sky midday UV in September peaks around 8 (very high — sun protection essential). The full-year curve, shaded by WHO exposure level, is below.

Under clear skies, the midday UV index in Mount Pleasant peaks around June 21 at about 10 (very high) — sunscreen, a hat and midday shade are essential. It bottoms out near December 22 at about 3 (moderate).

The index reaches 3 or more — the level where the WHO recommends sun protection — in 11 months of the year.

025710JanFebMarAprMayJunJulAugSepOctNovDecModerateHighVery highHighModerateJun 21UV 10Dec 22UV 3
UV index (midday)Level
Jan3Moderate
Feb5Moderate
Mar6High
Apr9Very high
May9Very high
Jun10Very high
Jul10Very high
Aug10Very high
Sep8Very high
Oct5High
Nov4Moderate
Dec3Moderate

Air quality in Mount Pleasant 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 Mount Pleasant is worst in July — around 21 µg/m³ PM2.5 (moderate), about 3.0× the cleanest month (January, 7 µg/m³).

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

0102030JanFebMarAprMayJunJulAugSepOctNovDecGoodModerateGoodJul 1621 µg/m³Jan 117 µg/m³
PM2.5 (µg/m³)Level
Jan7Good
Feb8Good
Mar11Good
Apr11Good
May14Moderate
Jun17Moderate
Jul21Moderate
Aug16Moderate
Sep13Moderate
Oct8Good
Nov8Good
Dec7Good
Location & terrain

Where is Mount Pleasant?

Mount Pleasant sits at 33.2°N, 95.0°W, 404 ft above sea level, in United States. The nearest listed city is Sulphur Springs, 37 mi away.

Topography around Mount Pleasant

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

Within 2 miles, the terrain around Mount Pleasant has only modest variations in elevation — a maximum elevation change of 167 ft around an average of 390 ft above sea level; within 10 miles, only modest variations in elevation — a maximum elevation change of 289 ft; within 50 miles, only modest variations in elevation — a maximum elevation change of 492 ft.

The land around Mount Pleasant is covered by trees (47%) and grassland (30%) within 2 miles, trees (47%) and grassland (44%) within 10 miles, and trees (57%) and grassland (36%) within 50 miles.

2 miles
167 ft
10 miles
289 ft
50 miles
492 ft
treesgrasslandcroplandartificial surfacesbare terrainwater
September weather nearby: Sulphur Springs 37 mi · Longview 47 mi · Paris 48 mi · Marshall 55 mi · Texarkana 57 mi · Texarkana 57 mi · Tyler 59 mi · Greenville 66 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 Mount Pleasant (33.1568°, -94.9683°, elevation 404 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).