Uvalde weather in September

In September, Uvalde sees average daytime highs of 91°F and overnight lows near 71°F, with 3.0 in of rain across 7.5 wet days and about 12.2 hours of daylight. It is the 4th-warmest and 2nd-wettest month of the year here.

Highs ease over the month, from about 94°F in the first days to 89°F by the end. The sky is clear or mostly clear about 52% of the time in September, and the air most often feels muggy.

Daylight stretches from about 12 h 36 min at the start of September to 11 h 48 min by month's end. Set against the rest of the year, September is Uvalde's 4th-clearest and 10th-windiest month. For the whole year in context, see Uvalde's year-round climate.

Daytime high
91°
4th warmest
Overnight low
71°
9th coldest
Rainfall
3.0 in
7.5 wet days
Daylight
12 h 12 min
6:28 AM – 6:39 PM
Cloud cover
44%
4th clearest
Wind
7 mph
10th windiest
Solar energy
5.27 kWh/m²
Travel score
3.9
out of 10

Uvalde is city and the county seat of Uvalde County, Texas.

Density
831/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 94°F in the first days to 89°F by the end.

A typical September day in Uvalde reaches about 91°F in the afternoon and slips back to 71°F overnight — a 20°F spread between the day's warmth and the night's chill. On most days the high lands between 83°F and 98°F. Set against its neighbours, September runs about 6°F cooler than August and about 8°F warmer than October.

60°80°100°151015202530
Avg high (°F)Avg low (°F)
19474
29474
39474
49474
59374
69373
79373
89273
99273
109273
119272
129272
139172
149172
159171
169171
179171
189171
199070
209070
219070
229069
239069
248969
258969
268968
278968
288968
298867
308867

How September really feels in Uvalde

Once humidity and wind are folded in, September averages 25 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
25
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.

Uvalde weather by month

How September compares with the rest of the year at a glance. September is the 4th-warmest and 2nd-wettest month here — the current month is highlighted below.

MonthHigh / Low (°F)Rainfall (inches)Wet daysDaylight (hours)Travel score
Jan64° / 44°1.45.410.36.6
Feb69° / 47°1.66.1117.0
Mar75° / 54°2.48.211.87.2
Apr83° / 61°2.47.312.76.4
May89° / 68°3.41013.44.4
Jun94° / 74°2.07.313.83.0
Jul96° / 76°2.05.913.72.4
Aug97° / 76°1.55.5132.2
Sep91° / 71°3.07.512.23.9
Oct83° / 62°2.77.111.36.5
Nov72° / 52°2.16.210.57.4
Dec65° / 44°1.66.110.26.6

Cloud cover in September

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 52% of the time in September.

Beyond those clear spells, partly cloudy skies cover about 19% 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 (%)
17228
27129
37129
47030
56931
66931
76733
86733
96634
106634
116634
126535
136535
146634
156634
166634
176634
186832
196832
206931
217129
227129
237228
247327
257525
267624
277624
287723
297723
307723

Chance of precipitation in September

Any precipitation

Uvalde gets around 3.0 in of rain over 7.5 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 25% and peaks near 28% on the wettest days.

0%10%20%30%40%151015202530
Rain chance (%)
125
226
326
426
527
627
728
828
928
1028
1128
1228
1328
1428
1527
1627
1726
1826
1925
2024
2124
2223
2322
2422
2521
2621
2721
2821
2921
3021

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 38% of days. Sticky, muggy-or-worse air turns up on roughly 62% of them.

0%25%50%75%100%151015202530
Dry (%)Comfortable (%)Humid (%)Muggy (%)Oppressive (%)Miserable (%)
1261945271
2261944280
3361943280
4361943280
5461842290
6461842290
7561842290
8561842290
9561742290
10661742290
11661642290
12761642290
13771542280
14871542280
15881542270
16981541260
17991640250
1810101639240
1911101738240
2013111737230
2114121735220
2215131833210
2316131832200
2418141831190
2519151829190
2620151928180
2721151927170
2822161927160
2923161926160
3024161926150

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
297calm
307calm

Sunrise & sunset in September

DaylightNight

Daylight runs from about 12 h 36 min at the start of September to 11 h 48 min by month's end. The lit band spans sunrise to sunset each day.

Days shrink by about 48 minutes over September. Sunrise moves from 6:20 AM to 6:36 AM, and sunset from 6:57 PM to 6:21 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202530
Daylight (h)Sunrise (AM)Sunset (PM)
112.66:206:57
212.66:216:56
312.66:216:55
412.56:226:54
512.56:236:52
612.56:236:51
712.46:246:50
812.46:246:49
912.46:256:48
1012.46:256:46
1112.36:266:45
1212.36:266:44
1312.36:276:42
1412.26:276:41
1512.26:286:40
1612.26:286:39
1712.16:296:37
1812.16:296:36
1912.16:306:35
2012.16:306:34
2112.06:316:32
2212.06:316:31
2312.06:326:30
2411.96:336:28
2511.96:336:27
2611.96:346:26
2711.86:346:25
2811.86:356:23
2911.86:356:22
3011.86:366:21

Solar energy in September

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in September, about 5.27 kWh/m².

For context, solar energy here swings from a low near 2.85 kWh/m² to a high of 6.78 kWh/m² in July across the year — September's 5.27 kWh/m² falls in the middle.

0246151015202530
Solar energy (kWh/m²)Level
15.8Bright
25.7Bright
35.7Bright
45.6Bright
55.6Bright
65.5Bright
75.5Bright
85.4Bright
95.4Bright
105.3Bright
115.3Bright
125.3Bright
135.3Bright
145.2Bright
155.2Bright
165.2Bright
175.2Bright
185.2Bright
195.2Bright
205.2Bright
215.1Bright
225.1Bright
235.1Bright
245.1Bright
255.1Bright
265.1Bright
275.0Bright
285.0Bright
295.0Bright
304.9Bright
Planning a trip in September

Is September a good time to visit Uvalde?

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

3.9
Sightseeing
9th-best month of the year
6.7
Beach & pool
3rd-best month of the year

September is a weaker month for outdoor sightseeing in Uvalde. The water and warmth also suit a beach or pool day.

What to pack for Uvalde in September

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

In September, Uvalde sees daytime highs around 91°F and nights near 71°F. Pack light clothes. Worth having: sun protection. About 8 days see rain.

light clothessun protection

UV index in Uvalde in September

LowModerateHighVery highExtreme

Clear-sky midday UV in September peaks around 9 (very high — sun protection essential). The full-year curve, shaded by WHO exposure level, is below.

Under clear skies, the midday UV index in Uvalde peaks around August 11 at about 11 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near December 19 at about 4 (moderate).

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

025710JanFebMarAprMayJunJulAugSepOctNovDecModerateHighVery highExtremeVery highHighModerateAug 11UV 11Dec 19UV 4
UV index (midday)Level
Jan4Moderate
Feb6High
Mar7Very high
Apr10Very high
May11Extreme
Jun11Extreme
Jul11Extreme
Aug11Extreme
Sep9Very high
Oct7High
Nov5Moderate
Dec4Moderate

Air quality in Uvalde 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 Uvalde is worst in July — around 16 µg/m³ PM2.5 (moderate), about 3.4× the cleanest month (November, 5 µg/m³).

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

01020JanFebMarAprMayJunJulAugSepOctNovDecGoodModerateGoodJul 1416 µg/m³Nov 235 µg/m³
PM2.5 (µg/m³)Level
Jan5Good
Feb6Good
Mar7Good
Apr8Good
May13Moderate
Jun14Moderate
Jul16Moderate
Aug11Good
Sep8Good
Oct5Good
Nov5Good
Dec5Good
Location & terrain

Where is Uvalde?

Uvalde sits at 29.2°N, 99.8°W, 909 ft above sea level, in United States. The nearest listed city is Eagle Pass, 55 mi away.

Topography around Uvalde

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

Within 2 miles, the terrain around Uvalde has only modest variations in elevation — a maximum elevation change of 108 ft around an average of 915 ft above sea level; within 10 miles, only modest variations in elevation — a maximum elevation change of 499 ft; within 50 miles, significant variations in elevation — a maximum elevation change of 1,952 ft.

The land around Uvalde is covered by trees (40%) and artificial surfaces (20%) within 2 miles, shrubs (47%) and trees (22%) within 10 miles, and shrubs (44%) and trees (39%) within 50 miles.

2 miles
108 ft
10 miles
499 ft
50 miles
1,952 ft
treesshrubsgrasslandcroplandartificial surfacesbare terrain
September weather nearby: Eagle Pass 55 mi · Piedras Negras 57 mi · Del Rio 68 mi · Kerrville 70 mi · Ciudad Acuña 71 mi · San Antonio 80 mi · Nava 81 mi · Allende 88 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 Uvalde (29.2097°, -99.7862°, 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).