Ciudad Miguel Alemán weather in September

In September, Ciudad Miguel Alemán sees average daytime highs of 34°C and overnight lows near 24°C, with 94 mm of rain across 10.3 wet days and about 12.2 hours of daylight. It is the 5th-warmest and 1st-wettest month of the year here.

Highs ease over the month, from about 36°C in the first days to 33°C by the end. The sky is clear or mostly clear about 48% of the time in September, and the air most often feels oppressive.

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 Ciudad Miguel Alemán's 8th-clearest and 12th-windiest month. For the whole year in context, see Ciudad Miguel Alemán's year-round climate.

Daytime high
34°
5th warmest
Overnight low
24°
9th coldest
Rainfall
94 mm
10.3 wet days
Daylight
12 h 12 min
6:26 AM – 6:35 PM
Cloud cover
48%
8th clearest
Wind
14 km/h
12th windiest
Solar energy
5.4 kWh/m²
Travel score
2.9
out of 10

Ciudad Miguel Alemán is municipal seat of Miguel Alemán, State of Tamaulipas, Mexico.

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 36°C in the first days to 33°C by the end.

A typical September day in Ciudad Miguel Alemán reaches about 34°C in the afternoon and slips back to 24°C overnight — a 11°C spread between the day's warmth and the night's chill. On most days the high lands between 30°C and 38°C. Set against its neighbours, September runs about 3°C cooler than August and about 3°C warmer than October.

15°20°25°30°35°40°151015202530
Avg high (°C)Avg low (°C)
13625
23625
33625
43625
53625
63525
73525
83525
93525
103525
113524
123524
133524
143424
153424
163424
173424
183424
193424
203424
213423
223423
233423
243423
253323
263323
273323
283323
293322
303322

How September really feels in Ciudad Miguel Alemán

Once humidity and wind are folded in, September averages 30 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
30
10 feel dangerously hot (≥ 39°C)
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.

Ciudad Miguel Alemán weather by month

How September compares with the rest of the year at a glance. September is the 5th-warmest and 1st-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysDaylight (hours)Travel score
Jan22° / 11°254.410.57.6
Feb25° / 13°224.211.17.8
Mar29° / 17°364.811.86.6
Apr32° / 20°425.212.64.4
May35° / 23°566.713.32.8
Jun37° / 25°425.213.61.8
Jul38° / 26°50513.51.3
Aug38° / 26°345.512.91.2
Sep34° / 24°9410.312.22.9
Oct31° / 20°466.111.45.1
Nov26° / 15°334.710.77.6
Dec23° / 12°264.310.47.8

Cloud cover in September

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 48% of the time in September.

Beyond those clear spells, partly cloudy skies cover about 17% of September, with mostly cloudy or overcast conditions the remaining 35%. Skies tend to open up as the month goes on.

0%25%50%75%100%151015202530
Clearer (%)Cloudier (%)
16238
26238
36139
46139
56139
66139
76139
86040
96040
106139
116040
126040
136139
146139
156238
166238
176238
186337
196436
206436
216634
226634
236832
247030
257030
267228
277327
287426
297426
307525

Chance of precipitation in September

Any precipitation

Ciudad Miguel Alemán gets around 94 mm of rain over 10.3 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 33% and peaks near 40% on the wettest days. The odds ease toward the end of the month.

0%10%20%30%40%50%151015202530
Rain chance (%)
134
235
336
437
538
639
740
840
940
1040
1140
1239
1338
1438
1537
1636
1735
1834
1933
2031
2130
2229
2328
2427
2526
2625
2725
2824
2924
3024

Humidity in September

DryComfortableHumidMuggyOppressiveMiserable

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

By dew point, September lands in the oppressive band about 56% of days. Sticky, muggy-or-worse air turns up on roughly 85% of them.

0%25%50%75%100%151015202530
Dry (%)Comfortable (%)Humid (%)Muggy (%)Oppressive (%)Miserable (%)
101325638
201325629
302324629
402323639
5024226210
6124216210
7124206310
8124196410
9134196310
10135186310
11135176410
12136176211
13136166311
14137166211
15138166111
16148166110
17149175910
181410175810
19241118569
20241218559
21251219539
22351320518
23361420497
24461521487
25471522466
26471623446
27571624435
28581624425
29681625405
30691626394

Wind in September

Winds average 14 km/h in September, the calmest month.

Across September, daily wind ranges from about 13 km/h on the calmest days to 15 km/h at its breeziest. It stays fairly steady from day to day.

05101520151015202530
Wind speed (km/h)Feels
115light breeze
215light breeze
315light breeze
414light breeze
514light breeze
614light breeze
714light breeze
814light breeze
914light breeze
1014light breeze
1114light breeze
1214light breeze
1314light breeze
1414light breeze
1514light breeze
1614light breeze
1714light breeze
1814light breeze
1914light breeze
2014light breeze
2114light breeze
2213light breeze
2313light breeze
2413light breeze
2513light breeze
2613light breeze
2713light breeze
2813light breeze
2913light breeze
3013light breeze

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 6:19 AM to 6:32 AM, and sunset from 6:52 PM to 6:19 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202530
Daylight (h)Sunrise (AM)Sunset (PM)
112.56:196:52
212.56:206:51
312.56:206:50
412.56:216:49
512.46:216:48
612.46:226:47
712.46:226:45
812.46:226:44
912.36:236:43
1012.36:236:42
1112.36:246:41
1212.36:246:40
1312.26:256:39
1412.26:256:37
1512.26:256:36
1612.26:266:35
1712.16:266:34
1812.16:276:33
1912.16:276:32
2012.06:286:30
2112.06:286:29
2212.06:286:28
2312.06:296:27
2411.96:296:26
2511.96:306:25
2611.96:306:23
2711.96:316:22
2811.86:316:21
2911.86:326:20
3011.86:326:19

Solar energy in September

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in September, about 5.4 kWh/m².

For context, solar energy here swings from a low near 3.15 kWh/m² to a high of 6.95 kWh/m² in July across the year — September's 5.4 kWh/m² falls in the middle.

0246151015202530
Solar energy (kWh/m²)Level
15.9Bright
25.8Bright
35.8Bright
45.7Bright
55.7Bright
65.7Bright
75.6Bright
85.6Bright
95.5Bright
105.5Bright
115.5Bright
125.5Bright
135.4Bright
145.4Bright
155.4Bright
165.4Bright
175.3Bright
185.3Bright
195.3Bright
205.3Bright
215.3Bright
225.3Bright
235.3Bright
245.3Bright
255.3Bright
265.3Bright
275.3Bright
285.2Bright
295.2Bright
305.2Bright
Planning a trip in September

Is September a good time to visit Ciudad Miguel Alemán?

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

2.9
Sightseeing
8th-best month of the year
5.8
Beach & pool
7th-best month of the year

September is a weaker month for outdoor sightseeing in Ciudad Miguel Alemán.

What to pack for Ciudad Miguel Alemán in September

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

In September, Ciudad Miguel Alemán sees daytime highs around 34°C and nights near 24°C. Pack light clothes. Worth having: rain gear and sun protection. About 10 days see rain.

light clothesrain gearsun protection

UV index in Ciudad Miguel Alemán 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 Ciudad Miguel Alemán peaks around June 21 at about 12 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near December 20 at about 5 (moderate).

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

025710JanFebMarAprMayJunJulAugSepOctNovDecHighVery highExtremeVery highHighModerateJun 21UV 12Dec 20UV 5
UV index (midday)Level
Jan5Moderate
Feb7Very high
Mar8Very high
Apr11Extreme
May9Very high
Jun12Extreme
Jul11Extreme
Aug11Extreme
Sep9Very high
Oct8Very high
Nov6High
Dec5Moderate

Air quality in Ciudad Miguel Alemán 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 Ciudad Miguel Alemán is worst in July — around 22 µg/m³ PM2.5 (moderate), about 3.3× the cleanest month (January, 7 µg/m³).

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

0102030JanFebMarAprMayJunJulAugSepOctNovDecGoodModerateGoodJul 1522 µg/m³Jan 127 µg/m³
PM2.5 (µg/m³)Level
Jan7Good
Feb7Good
Mar10Good
Apr12Good
May20Moderate
Jun19Moderate
Jul22Moderate
Aug17Moderate
Sep12Good
Oct7Good
Nov7Good
Dec7Good
Location & terrain

Where is Ciudad Miguel Alemán?

Ciudad Miguel Alemán sits at 26.4°N, 99.0°W, 55 m above sea level, in Mexico. The nearest listed city is Alton, 72 km away.

Topography around Ciudad Miguel Alemán

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

Within 3 km, the terrain around Ciudad Miguel Alemán has only modest variations in elevation — a maximum elevation change of 46 m around an average of 63 m above sea level; within 16 km, only modest variations in elevation — a maximum elevation change of 105 m; within 80 km, large variations in elevation — a maximum elevation change of 620 m.

The land around Ciudad Miguel Alemán is covered by shrubs (32%), artificial surfaces (25%) and trees (20%) within 3 km, shrubs (58%) within 16 km, and shrubs (62%) within 80 km.

3 km
46 m
16 km
105 m
80 km
620 m
treesshrubsgrasslandcroplandartificial surfacesbare terrainwater
September weather nearby: Alton 72 km · Mission 73 km · Reynosa 82 km · McAllen 83 km · Edinburg 87 km · Pharr 87 km · San Juan 90 km · Alamo 93 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 Ciudad Miguel Alemán (26.3982°, -99.0286°, elevation 55 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. 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).