Nanchital de Lázaro Cárdenas del Río weather in September

In September, Nanchital de Lázaro Cárdenas del Río sees average daytime highs of 31°C and overnight lows near 25°C, with 334 mm of rain across 27.1 wet days and about 12.1 hours of daylight. It is the 6th-warmest and 1st-wettest month of the year here.

Day-to-day highs hold fairly steady near 31°C through the month. The sky is clear or mostly clear about 10% of the time in September, and the air most often feels miserable.

Daylight stretches from about 12 h 24 min at the start of September to 11 h 54 min by month's end. Set against the rest of the year, September is Nanchital de Lázaro Cárdenas del Río's 12th-clearest and 12th-windiest month. For the whole year in context, see Nanchital de Lázaro Cárdenas del Río's year-round climate.

Daytime high
31°
6th warmest
Overnight low
25°
8th coldest
Rainfall
334 mm
27.1 wet days
Daylight
12 h 06 min
6:09 AM – 6:15 PM
Cloud cover
78%
12th clearest
Wind
8 km/h
12th windiest
Solar energy
4.59 kWh/m²
Travel score
2.7
out of 10

Nanchital de Lázaro Cárdenas del Río is human settlement in Mexico.

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 31°C through the month.

A typical September day in Nanchital de Lázaro Cárdenas del Río reaches about 31°C in the afternoon and slips back to 25°C overnight — a 6°C spread between the day's warmth and the night's chill. On most days the high lands between 28°C and 33°C. Set against its neighbours, September runs on par with August and about 1°C warmer than October.

20°25°30°35°151015202530
Avg high (°C)Avg low (°C)
13125
23125
33125
43125
53125
63125
73125
83125
93125
103125
113125
123125
133125
143125
153125
163125
173125
183125
193125
203125
213125
223025
233025
243025
253025
263025
273025
283025
293025
303025

How September really feels in Nanchital de Lázaro Cárdenas del Río

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
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.

Nanchital de Lázaro Cárdenas del Río 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
Jan26° / 20°7010.7116.7
Feb27° / 21°346.711.46.9
Mar30° / 22°214.411.96.0
Apr32° / 24°224.612.44.5
May33° / 25°7210.712.83.5
Jun32° / 25°24923.613.12.7
Jul31° / 25°29027132.8
Aug31° / 25°33127.612.62.7
Sep31° / 25°33427.112.12.7
Oct29° / 24°24621.511.63.9
Nov28° / 22°13815.911.25.5
Dec26° / 21°7312.810.96.2

Cloud cover in September

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 10% of the time in September, the cloudiest month of the year.

Beyond those clear spells, partly cloudy skies cover about 13% of September, with mostly cloudy or overcast conditions the remaining 78%.

0%25%50%75%100%151015202530
Clearer (%)Cloudier (%)
12377
22377
32377
42278
52179
62179
72179
82179
92278
102278
112278
122278
132278
142377
152377
162377
172278
182278
192278
202278
212278
222377
232377
242377
252377
262476
272575
282575
292674
302674

Chance of precipitation in September

Any precipitation

Nanchital de Lázaro Cárdenas del Río gets around 334 mm of rain over 27.1 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 89% and peaks near 91% on the wettest days.

0%20%40%60%80%100%151015202530
Rain chance (%)
190
290
391
491
591
691
791
891
991
1091
1191
1291
1390
1490
1590
1690
1789
1889
1989
2089
2189
2289
2388
2488
2587
2687
2786
2885
2984
3084

Humidity in September

DryComfortableHumidMuggyOppressiveMiserable

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

By dew point, September lands in the miserable band about 84% of days. Sticky, muggy-or-worse air turns up on roughly 100% of them.

0%25%50%75%100%151015202530
Muggy (%)Oppressive (%)Miserable (%)
10793
20793
30892
40892
50991
60991
701090
801090
901189
1001288
1101288
1201387
1301387
1401486
1501486
1601585
1701585
1801684
1901783
2001882
2101981
2212079
2312178
2412277
2512376
2612574
2722672
2822771
2922870
3022870

Wind in September

Winds average 8 km/h in September, the calmest month.

Across September, daily wind ranges from about 7 km/h on the calmest days to 8 km/h at its breeziest. It stays fairly steady from day to day.

051015151015202530
Wind speed (km/h)Feels
17calm
27calm
37calm
47calm
57calm
67calm
77calm
87calm
97calm
107calm
117calm
127calm
137calm
147calm
157calm
167calm
178calm
188calm
198calm
208calm
218calm
228calm
238calm
248calm
258calm
268calm
278calm
288calm
298calm
308calm

Sunrise & sunset in September

DaylightNight

Daylight runs from about 12 h 24 min at the start of September to 11 h 54 min by month's end. The lit band spans sunrise to sunset each day.

Days shrink by about 30 minutes over September. Sunrise moves from 6:07 AM to 6:11 AM, and sunset from 6:28 PM to 6:03 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202530
Daylight (h)Sunrise (AM)Sunset (PM)
112.46:076:28
212.36:076:27
312.36:076:26
412.36:076:26
512.36:076:25
612.36:076:24
712.36:086:23
812.26:086:22
912.26:086:21
1012.26:086:20
1112.26:086:19
1212.26:086:19
1312.26:086:18
1412.16:096:17
1512.16:096:16
1612.16:096:15
1712.16:096:14
1812.16:096:13
1912.06:096:12
2012.06:106:11
2112.06:106:10
2212.06:106:10
2312.06:106:09
2412.06:106:08
2511.96:106:07
2611.96:116:06
2711.96:116:05
2811.96:116:04
2911.96:116:03
3011.96:116:03

Solar energy in September

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in September, about 4.59 kWh/m².

For context, solar energy here swings from a low near 3.42 kWh/m² to a high of 6.45 kWh/m² in May across the year — September's 4.59 kWh/m² falls in the middle.

024151015202530
Solar energy (kWh/m²)Level
15.0Bright
24.9Bright
34.9Bright
44.9Bright
54.9Bright
64.8Bright
74.8Bright
84.8Bright
94.8Bright
104.8Bright
114.7Bright
124.7Bright
134.7Bright
144.7Bright
154.7Bright
164.6Bright
174.6Bright
184.6Bright
194.5Bright
204.5Bright
214.5Bright
224.5Bright
234.4Bright
244.4Bright
254.4Bright
264.4Bright
274.3Bright
284.3Bright
294.3Bright
304.3Bright
Planning a trip in September

Hazard calendar for Nanchital de Lázaro Cárdenas del Río

In seasonPeak

In September, Nanchital de Lázaro Cárdenas del Río sits inside its atlantic hurricane and monsoon season. The full year is below, with each hazard's peak months called out.

Nanchital de Lázaro Cárdenas del Río sits in the Atlantic hurricane belt; the season peaks August–October.

Nanchital de Lázaro Cárdenas del Río's monsoon runs June–October, when most of the year's rain falls.

Atlantic hurricane
Monsoon
Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec

Is September a good time to visit Nanchital de Lázaro Cárdenas del Río?

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

2.7
Sightseeing
10th-best month of the year
4.0
Beach & pool
11th-best month of the year

September is a weaker month for outdoor sightseeing in Nanchital de Lázaro Cárdenas del Río.

What to pack for Nanchital de Lázaro Cárdenas del Río in September

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

In September, Nanchital de Lázaro Cárdenas del Río sees daytime highs around 31°C and nights near 25°C. Pack light clothes and rain gear. Worth having: sun protection. About 27 days see rain.

light clothesrain gearsun protection

Sea temperature near Nanchital de Lázaro Cárdenas del Río in September

The nearest coast averages about 29°C in September — the other half of the beach question. The full-year curve and swim-comfort zones are below.

The sea offshore is warmest in September at about 29°C and coldest in February near 24°C.

The water stays above 20°C all year — warm enough for a swim any month.

22°24°26°28°30°JanFebMarAprMayJunJulAugSepOctNovDecrefreshingwarmtropicalcomfortable to swim
Sea temperature (°C)Comfort
Jan24Warm
Feb24Warm
Mar25Warm
Apr27Warm
May28Tropical
Jun29Tropical
Jul29Tropical
Aug29Tropical
Sep29Tropical
Oct28Tropical
Nov27Warm
Dec25Warm

UV index in Nanchital de Lázaro Cárdenas del Río 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 Nanchital de Lázaro Cárdenas del Río peaks around August 16 at about 12 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near December 21 at about 7 (very high).

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

025710JanFebMarAprMayJunJulAugSepOctNovDecVery highExtremeVery highAug 16UV 12Dec 21UV 7
UV index (midday)Level
Jan7Very high
Feb10Extreme
Mar12Extreme
Apr13Extreme
May10Very high
Jun13Extreme
Jul11Extreme
Aug13Extreme
Sep11Extreme
Oct10Extreme
Nov8Very high
Dec7High

Air quality in Nanchital de Lázaro Cárdenas del Río 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 Nanchital de Lázaro Cárdenas del Río is worst in May — around 43 µg/m³ PM2.5 (poor), about 2.7× the cleanest month (January, 16 µg/m³).

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

0204060JanFebMarAprMayJunJulAugSepOctNovDecModeratePoorModerateMay 1842 µg/m³Jan 1816 µg/m³
PM2.5 (µg/m³)Level
Jan16Moderate
Feb17Moderate
Mar22Moderate
Apr31Moderate
May43Poor
Jun34Moderate
Jul36Poor
Aug29Moderate
Sep25Moderate
Oct18Moderate
Nov17Moderate
Dec18Moderate
Location & terrain

Where is Nanchital de Lázaro Cárdenas del Río?

Nanchital de Lázaro Cárdenas del Río sits at 18.1°N, 94.4°W, 16 m above sea level, in Mexico. The nearest listed city is Allende, 9.0 km away.

Topography around Nanchital de Lázaro Cárdenas del Río

How much the land rises and falls, and what covers it, within 3, 16 and 80 km of Nanchital de Lázaro Cárdenas del Río.

Within 3 km, the terrain around Nanchital de Lázaro Cárdenas del Río has only modest variations in elevation — a maximum elevation change of 46 m around an average of 6 m above sea level; within 16 km, only modest variations in elevation — a maximum elevation change of 153 m; within 80 km, very significant variations in elevation — a maximum elevation change of 1,661 m.

The land around Nanchital de Lázaro Cárdenas del Río is covered by grassland (32%) and trees (24%) within 3 km, trees (30%) and grassland (27%) within 16 km, and grassland (40%), trees (26%) and water (25%) within 80 km.

3 km
46 m
16 km
153 m
80 km
1,661 m
treesgrasslandcroplandartificial surfaceswaterwetlandmangroves
September weather nearby: Allende 9.0 km · Coatzacoalcos 9.0 km · Minatitlán 18 km · Fraccionamiento Ciudad Olmeca 18 km · Cosoleacaque 25 km · Agua Dulce 29 km · Jáltipan de Morelos 34 km · Las Choapas 37 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 Nanchital de Lázaro Cárdenas del Río (18.0712°, -94.4076°, elevation 16 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. Tropical-cyclone seasons are the published climatological basin seasons (NOAA National Hurricane Center / regional warning centres). Sea temperatures are the NOAA OISST v2.1 1991–2020 monthly climatology (public domain), sampled at the nearest ocean point. 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).