Venustiano Carranza weather in September

In September, Venustiano Carranza sees average daytime highs of 27°C and overnight lows near 21°C, with 367 mm of rain across 28.5 wet days and about 12.1 hours of daylight. It is the 8th-warmest and 1st-wettest month of the year here.

Day-to-day highs hold fairly steady near 27°C through the month. The sky is clear or mostly clear about 5% of the time in September, and the air most often feels muggy.

Daylight stretches from about 12 h 18 min at the start of September to 11 h 54 min by month's end. Set against the rest of the year, September is Venustiano Carranza's 12th-clearest and 10th-windiest month. For the whole year in context, see Venustiano Carranza's year-round climate.

Daytime high
27°
8th warmest
Overnight low
21°
7th coldest
Rainfall
367 mm
28.5 wet days
Daylight
12 h 06 min
6:02 AM – 6:07 PM
Cloud cover
82%
12th clearest
Wind
3 km/h
10th windiest
Solar energy
4.91 kWh/m²
Travel score
3.5
out of 10

Venustiano Carranza is municipal seat of Venustiano Carranza, State of Chiapas, Mexico.

Founded
1560

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 27°C through the month.

A typical September day in Venustiano Carranza reaches about 27°C in the afternoon and slips back to 21°C overnight — a 7°C spread between the day's warmth and the night's chill. On most days the high lands between 25°C and 29°C. Set against its neighbours, September runs about 1°C cooler than August and on par with October.

15°20°25°30°151015202530
Avg high (°C)Avg low (°C)
12821
22821
32821
42821
52821
62821
72821
82821
92821
102821
112821
122821
132721
142721
152721
162721
172721
182721
192721
202721
212721
222721
232721
242721
252721
262721
272721
282721
292721
302721

Venustiano Carranza weather by month

How September compares with the rest of the year at a glance. September is the 8th-warmest and 1st-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysDaylight (hours)Travel score
Jan26° / 18°235.311.18.1
Feb28° / 19°113.411.57.8
Mar30° / 20°123.211.96.6
Apr31° / 21°367.912.45.1
May30° / 22°1352012.83.9
Jun28° / 21°28526.1133.5
Jul29° / 21°20223.112.93.9
Aug28° / 21°27626.512.53.6
Sep27° / 21°36728.512.13.5
Oct27° / 20°24523.911.64.4
Nov26° / 19°7212.211.26.5
Dec26° / 18°276.4117.8

Cloud cover in September

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 5% of the time in September, the cloudiest month of the year.

Beyond those clear spells, partly cloudy skies cover about 10% of September, with mostly cloudy or overcast conditions the remaining 86%.

0%25%50%75%100%151015202530
Clearer (%)Cloudier (%)
11684
21684
31684
41684
51486
61486
71486
81486
91486
101486
111486
121486
131486
141486
151486
161486
171486
181387
191387
201387
211387
221387
231387
241387
251387
261486
271486
281486
291585
301684

Chance of precipitation in September

Any precipitation

Venustiano Carranza gets around 367 mm of rain over 28.5 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 94% and peaks near 95% on the wettest days.

0%20%40%60%80%100%151015202530
Rain chance (%)
194
295
395
495
594
694
794
894
994
1094
1194
1294
1394
1494
1594
1694
1794
1895
1995
2095
2195
2295
2395
2495
2595
2694
2794
2893
2992
3092

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 96% of days. Sticky, muggy-or-worse air turns up on roughly 98% of them.

0%25%50%75%100%151015202530
Humid (%)Muggy (%)Oppressive (%)
11963
21963
31963
41972
51972
61972
71972
81972
91972
101972
111972
121972
131963
141963
151963
161963
171963
181963
191963
201954
211954
221963
232953
242953
253943
263943
274933
284933
295923
305923

Wind in September

Winds average 3 km/h in September.

Across September, daily wind ranges from about 3 km/h on the calmest days to 3 km/h at its breeziest. It stays fairly steady from day to day.

0246810151015202530
Wind speed (km/h)Feels
13calm
23calm
33calm
43calm
53calm
63calm
73calm
83calm
93calm
103calm
113calm
123calm
133calm
143calm
153calm
163calm
173calm
183calm
193calm
203calm
213calm
223calm
233calm
243calm
253calm
263calm
273calm
283calm
293calm
303calm

Sunrise & sunset in September

DaylightNight

Daylight runs from about 12 h 18 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 24 minutes over September. Sunrise moves from 6:00 AM to 6:03 AM, and sunset from 6:20 PM to 5:56 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202530
Daylight (h)Sunrise (AM)Sunset (PM)
112.36:006:20
212.36:006:19
312.36:016:18
412.36:016:17
512.36:016:16
612.26:016:16
712.26:016:15
812.26:016:14
912.26:016:13
1012.26:016:12
1112.26:016:11
1212.26:016:11
1312.16:026:10
1412.16:026:09
1512.16:026:08
1612.16:026:07
1712.16:026:06
1812.16:026:06
1912.06:026:05
2012.06:026:04
2112.06:026:03
2212.06:026:02
2312.06:036:01
2412.06:036:01
2511.96:036:00
2611.96:035:59
2711.96:035:58
2811.96:035:57
2911.96:035:56
3011.96:035:56

Solar energy in September

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in September, about 4.91 kWh/m².

For context, solar energy here swings from a low near 4.8 kWh/m² to a high of 6.77 kWh/m² in April across the year — September's 4.91 kWh/m² falls in the middle.

0246151015202530
Solar energy (kWh/m²)Level
15.3Bright
25.3Bright
35.3Bright
45.2Bright
55.2Bright
65.2Bright
75.2Bright
85.2Bright
95.2Bright
105.1Bright
115.1Bright
125.1Bright
135.1Bright
145.0Bright
155.0Bright
165.0Bright
175.0Bright
184.9Bright
194.9Bright
204.8Bright
214.8Bright
224.8Bright
234.7Bright
244.7Bright
254.7Bright
264.6Bright
274.6Bright
284.6Bright
294.6Bright
304.6Bright
Planning a trip in September

Hazard calendar for Venustiano Carranza

In seasonPeak

In September, Venustiano Carranza sits inside its monsoon season. The full year is below, with each hazard's peak months called out.

Venustiano Carranza's monsoon runs June–October, when most of the year's rain falls.

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

Is September a good time to visit Venustiano Carranza?

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

3.5
Sightseeing
11th-best month of the year
3.7
Beach & pool
12th-best month of the year

September is a weaker month for outdoor sightseeing in Venustiano Carranza.

What to pack for Venustiano Carranza in September

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

In September, Venustiano Carranza sees daytime highs around 27°C and nights near 21°C. Pack light clothes and rain gear. Worth having: sun protection. About 29 days see rain.

light clothesrain gearsun protection

UV index in Venustiano Carranza in September

LowModerateHighVery highExtreme

Clear-sky midday UV in September peaks around 13 (very high — sun protection essential). The full-year curve, shaded by WHO exposure level, is below.

Under clear skies, the midday UV index in Venustiano Carranza peaks around April 11 at about 14 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near December 15 at about 9 (very high).

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

025710JanFebMarAprMayJunJulAugSepOctNovDecExtremeVery highApr 11UV 14Dec 15UV 9
UV index (midday)Level
Jan10Very high
Feb13Extreme
Mar14Extreme
Apr15Extreme
May11Extreme
Jun14Extreme
Jul13Extreme
Aug13Extreme
Sep13Extreme
Oct11Extreme
Nov9Very high
Dec9Very high

Air quality in Venustiano Carranza 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 Venustiano Carranza is worst in April — around 57 µg/m³ PM2.5 (unhealthy), about 6.1× the cleanest month (December, 9 µg/m³).

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

0204060JanFebMarAprMayJunJulAugSepOctNovDecGoodModeratePoorModerateGoodApr 1955 µg/m³Dec 189 µg/m³
PM2.5 (µg/m³)Level
Jan10Good
Feb16Moderate
Mar33Moderate
Apr57Unhealthy
May45Poor
Jun19Moderate
Jul20Moderate
Aug17Moderate
Sep16Moderate
Oct13Moderate
Nov11Good
Dec9Good
Location & terrain

Where is Venustiano Carranza?

Venustiano Carranza sits at 16.3°N, 92.6°W, 775 m above sea level, in Mexico. The nearest listed city is Las Rosas, 21 km away.

Topography around Venustiano Carranza

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

Within 3 km, the terrain around Venustiano Carranza has large variations in elevation — a maximum elevation change of 600 m around an average of 704 m above sea level; within 16 km, very significant variations in elevation — a maximum elevation change of 1,254 m; within 80 km, extreme variations in elevation — a maximum elevation change of 2,489 m.

The land around Venustiano Carranza is covered by grassland (43%), trees (24%) and shrubs (20%) within 3 km, grassland (48%) and trees (20%) within 16 km, and trees (57%) and grassland (29%) within 80 km.

3 km
600 m
16 km
1,254 m
80 km
2,489 m
treesshrubsgrasslandcroplandartificial surfaceswater
September weather nearby: Las Rosas 21 km · Teopisca 25 km · San Cristóbal de las Casas 44 km · Comitán 47 km · Las Margaritas 62 km · Chiapas 63 km · Suchiapa 65 km · Tuxtla 75 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 Venustiano Carranza (16.3385°, -92.5632°, elevation 775 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).