Matamoros weather in September

In September, Matamoros sees average daytime highs of 32°C and overnight lows near 21°C, with 42 mm of rain across 6.6 wet days and about 12.2 hours of daylight. It is the 6th-warmest and 1st-wettest month of the year here.

Day-to-day highs hold fairly steady near 32°C through the month. The sky is clear or mostly clear about 54% of the time in September, and the air most often feels comfortable.

Daylight stretches from about 12 h 30 min at the start of September to 11 h 48 min by month's end. Set against the rest of the year, September is Matamoros's 12th-clearest and 6th-windiest month. For the whole year in context, see Matamoros's year-round climate.

Daytime high
32°
6th warmest
Overnight low
21°
8th coldest
Rainfall
42 mm
6.6 wet days
Daylight
12 h 06 min
6:43 AM – 6:52 PM
Cloud cover
43%
12th clearest
Wind
9 km/h
6th windiest
Solar energy
6.06 kWh/m²
Travel score
4.8
out of 10

Matamoros is municipal seat of Matamoros, State of Coahuila, Mexico.

Founded
1842

Air quality: WHO Ambient Air Quality Database. Density & description: Wikidata (CC0), GeoNames.

Temperature in September

Average highAverage lowShaded bands: 10–90% of days

Day-to-day highs hold fairly steady near 32°C through the month.

A typical September day in Matamoros reaches about 32°C in the afternoon and slips back to 21°C overnight — a 11°C spread between the day's warmth and the night's chill. On most days the high lands between 27°C and 35°C. Set against its neighbours, September runs about 2°C cooler than August and about 2°C warmer than October.

15°20°25°30°35°40°151015202530
Avg high (°C)Avg low (°C)
13222
23222
33222
43222
53222
63221
73221
83221
93221
103221
113221
123221
133221
143221
153221
163221
173121
183120
193120
203120
213120
223120
233120
243120
253120
263120
273119
283119
293119
303119

How September really feels in Matamoros

Once humidity and wind are folded in, September averages 7 days that feel above 32°C and 0 that feel at or below 0°C — the comfort signal a plain temperature reading hides.

Days feeling ≥ 32°C
7
heat index over the day's high
Days feeling ≤ C
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.

Matamoros weather by month

How September compares with the rest of the year at a glance. September is the 6th-warmest and 1st-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysDaylight (hours)Travel score
Jan22° / 101.810.68.2
Feb25° / 11°6111.18.6
Mar29° / 14°81.511.87.4
Apr32° / 18°30.912.64.9
May35° / 21°102.113.23.2
Jun35° / 23°233.613.62.9
Jul34° / 23°40613.43.4
Aug34° / 23°294.812.93.7
Sep32° / 21°426.612.24.8
Oct29° / 17°192.911.46.6
Nov25° / 13°91.710.88.7
Dec22° / 71.410.48.4

Cloud cover in September

ClearMostly clearPartly cloudyMostly cloudyOvercast

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

Beyond those clear spells, partly cloudy skies cover about 17% 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 (%)
17030
27030
37030
47030
56931
66931
76931
87030
97030
107030
117030
127030
136931
146931
156931
166931
176931
186931
196931
207030
217030
227030
237228
247228
257426
267525
277624
287723
297822
307921

Chance of precipitation in September

Any precipitation

Matamoros gets around 42 mm of rain over 6.6 wet days in September, the wettest month. The line is the day-by-day chance of measurable precipitation.

Day to day, the chance of measurable rain averages around 21% and peaks near 24% on the wettest days. The odds ease toward the end of the month.

0%10%20%30%151015202530
Rain chance (%)
122
222
323
423
523
624
724
824
924
1023
1123
1223
1323
1422
1522
1622
1721
1821
1921
2020
2120
2219
2319
2418
2517
2616
2716
2815
2915
3014

Humidity in September

DryComfortableHumidMuggyOppressiveMiserable

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

By dew point, September lands in the comfortable band about 32% of days. Sticky, muggy-or-worse air turns up on roughly 9% of them.

0%25%50%75%100%151015202530
Dry (%)Comfortable (%)Humid (%)Muggy (%)
124333112
224323213
324323213
423313313
523313313
623313413
723313412
822313412
922323412
1022323411
1123333411
1223333410
1323343310
1423343310
152434329
162535329
172535319
182635318
192834308
202934298
213133287
223333287
233432277
243631267
253831256
264030246
274230236
284330225
294529215
304629214

Wind in September

Winds average 9 km/h in September.

Across September, daily wind ranges from about 8 km/h on the calmest days to 10 km/h at its breeziest. It stays fairly steady from day to day.

051015151015202530
Wind speed (km/h)Feels
110calm
210calm
310calm
410calm
510calm
69calm
79calm
89calm
99calm
109calm
119calm
129calm
139calm
149calm
159calm
169calm
179calm
189calm
199calm
209calm
219calm
229calm
239calm
249calm
259calm
269calm
279calm
289calm
298calm
308calm

Sunrise & sunset in September

DaylightNight

Daylight runs from about 12 h 30 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 42 minutes over September. Sunrise moves from 6:37 AM to 6:49 AM, and sunset from 7:08 PM to 6:36 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202530
Daylight (h)Sunrise (AM)Sunset (PM)
112.56:377:08
212.56:377:07
312.56:387:06
412.56:387:05
512.46:387:04
612.46:397:03
712.46:397:02
812.46:407:01
912.36:407:00
1012.36:406:58
1112.36:416:57
1212.26:416:56
1312.26:426:55
1412.26:426:54
1512.26:426:53
1612.16:436:52
1712.16:436:51
1812.16:446:49
1912.16:446:48
2012.06:446:47
2112.06:456:46
2212.06:456:45
2312.06:466:44
2411.96:466:43
2511.96:466:41
2611.96:476:40
2711.96:476:39
2811.86:486:38
2911.86:486:37
3011.86:496:36

Solar energy in September

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in September, about 6.06 kWh/m².

For context, solar energy here swings from a low near 4.21 kWh/m² to a high of 7.96 kWh/m² in May across the year — September's 6.06 kWh/m² falls in the middle.

0246151015202530
Solar energy (kWh/m²)Level
16.5Intense
26.5Intense
36.4Intense
46.4Intense
56.3Intense
66.3Intense
76.3Intense
86.3Intense
96.2Intense
106.2Intense
116.2Intense
126.2Intense
136.1Intense
146.1Intense
156.1Intense
166.0Intense
176.0Intense
186.0Intense
196.0Intense
206.0Bright
216.0Bright
226.0Bright
236.0Bright
245.9Bright
255.9Bright
265.9Bright
275.9Bright
285.9Bright
295.9Bright
305.9Bright
Planning a trip in September

Is September a good time to visit Matamoros?

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

4.8
Sightseeing
8th-best month of the year
7.4
Beach & pool
6th-best month of the year

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

What to pack for Matamoros in September

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

In September, Matamoros sees daytime highs around 32°C and nights near 21°C. Pack light clothes and sun protection. About 7 days see rain.

light clothessun protection

UV index in Matamoros in September

LowModerateHighVery highExtreme

Clear-sky midday UV in September peaks around 11 (very high — sun protection essential). The full-year curve, shaded by WHO exposure level, is below.

Under clear skies, the midday UV index in Matamoros peaks around July 12 at about 13 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near December 18 at about 5 (high).

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

025710JanFebMarAprMayJunJulAugSepOctNovDecHighVery highExtremeVery highHighJul 12UV 13Dec 18UV 5
UV index (midday)Level
Jan6High
Feb8Very high
Mar10Extreme
Apr12Extreme
May13Extreme
Jun13Extreme
Jul13Extreme
Aug12Extreme
Sep11Extreme
Oct8Very high
Nov6High
Dec5High
Location & terrain

Where is Matamoros?

Matamoros sits at 25.5°N, 103.2°W, 1,117 m above sea level, in Mexico. The nearest listed city is Torreón, 19 km away.

Topography around Matamoros

How much the land rises and falls, and what covers it, within 3, 16 and 80 km of Matamoros.

Within 3 km, the terrain around Matamoros has only modest variations in elevation — a maximum elevation change of 12 m around an average of 1,114 m above sea level; within 16 km, significant variations in elevation — a maximum elevation change of 550 m; within 80 km, very significant variations in elevation — a maximum elevation change of 2,032 m.

The land around Matamoros is covered by shrubs (29%), artificial surfaces (28%) and bare terrain (22%) within 3 km, shrubs (35%), cropland (27%) and bare terrain (25%) within 16 km, and shrubs (63%) and bare terrain (26%) within 80 km.

3 km
12 m
16 km
550 m
80 km
2,032 m
treesshrubsgrasslandcroplandartificial surfacesbare terrain
September weather nearby: Torreón 19 km · Gómez Palacio 28 km · Francisco I. Madero 28 km · Lerdo 30 km · San Pedro 35 km · Parras de la Fuente 106 km · Juan Aldama 138 km · Guadalupe Victoria 150 km

Mexico travel facts

Travel advisory
Level 2
Exercise Increased Caution
Power plugs
Type A / B
120 / 127 V · 60 Hz
Prices
≈ 54% of US
price level, 2025
GDP per capita
$13,889
2025
Happiness
7.0 / 10
World Happiness, 2025
Safe drinking water
43%
of population, 2024
Homicide rate
24.9
per 100k, 2023
Road deaths
12.8
per 100k/yr, 2019
Income group
Upper middle
World Bank
English
Very low
EF EPI 440
Religion
Catholic 78%no religion 11%other Evangelical Churches 8%Jehovah Witness 1%

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 Matamoros (25.527°, -103.2285°, elevation 1,117 m), 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. Topography is sampled from the Copernicus DEM GLO-90 elevation model (© ESA/Airbus) and ESA WorldCover 2021 land cover (CC BY 4.0).