Ocozocoautla de Espinosa weather in September

In September, Ocozocoautla de Espinosa sees average daytime highs of 28°C and overnight lows near 20°C, with 238 mm of rain across 26.7 wet days and about 12.1 hours of daylight. It is the 7th-warmest and 2nd-wettest month of the year here.

Day-to-day highs hold fairly steady near 28°C through the month. The sky is clear or mostly clear about 3% 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 Ocozocoautla de Espinosa's 12th-clearest and 11th-windiest month. For the whole year in context, see Ocozocoautla de Espinosa's year-round climate.

Daytime high
28°
7th warmest
Overnight low
20°
8th coldest
Rainfall
238 mm
26.7 wet days
Daylight
12 h 06 min
6:05 AM – 6:11 PM
Cloud cover
85%
12th clearest
Wind
6 km/h
11th windiest
Solar energy
4.65 kWh/m²
Travel score
3.7
out of 10

Ocozocoautla de Espinosa is municipal seat of Ocozocoautla, State of Chiapas, Mexico.

Founded
1592

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 28°C through the month.

A typical September day in Ocozocoautla de Espinosa reaches about 28°C in the afternoon and slips back to 20°C overnight — a 8°C spread between the day's warmth and the night's chill. On most days the high lands between 26°C and 30°C. Set against its neighbours, September runs on par with August and about 1°C warmer than October.

15°20°25°30°151015202530
Avg high (°C)Avg low (°C)
12820
22820
32820
42820
52820
62820
72820
82820
92820
102820
112820
122820
132820
142820
152820
162820
172820
182820
192820
202820
212820
222820
232820
242720
252720
262720
272720
282720
292720
302720

How September really feels in Ocozocoautla de Espinosa

Once humidity and wind are folded in, September averages 0 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
0
heat index over the day's high
Days feeling ≤ C
0
wind chill below the day's low

September sits comfortably in between — no days that feel dangerously hot or drop to a hard freeze once humidity and wind are folded in.

Ocozocoautla de Espinosa weather by month

How September compares with the rest of the year at a glance. September is the 7th-warmest and 2nd-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysDaylight (hours)Travel score
Jan25° / 16°92.711.18.2
Feb27° / 16°61.711.47.8
Mar30° / 18°92.711.96.5
Apr31° / 20°246.212.44.9
May31° / 21°10715.512.84.0
Jun29° / 21°26525.6133.3
Jul29° / 20°21025.612.93.5
Aug28° / 20°23025.612.63.6
Sep28° / 20°23826.712.13.7
Oct27° / 19°12717.411.65.2
Nov26° / 18°396.111.27.3
Dec26° / 16°143.1118.0

Cloud cover in September

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 3% of the time in September, the cloudiest month of the year.

Beyond those clear spells, partly cloudy skies cover about 8% of September, with mostly cloudy or overcast conditions the remaining 89%.

0%25%50%75%100%151015202530
Clearer (%)Cloudier (%)
11288
21288
31090
41090
51090
61090
71090
81090
91090
101189
111090
121090
131090
141090
151090
161189
171189
181189
191189
201189
211189
221090
231090
241090
251189
261189
271387
281387
291387
301387

Chance of precipitation in September

Any precipitation

Ocozocoautla de Espinosa gets around 238 mm of rain over 26.7 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 87% and peaks near 89% on the wettest days.

0%20%40%60%80%100%151015202530
Rain chance (%)
188
288
388
488
588
688
788
888
988
1088
1188
1287
1387
1487
1587
1687
1788
1888
1988
2089
2189
2289
2388
2488
2587
2686
2785
2884
2982
3081

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 72% of days. Sticky, muggy-or-worse air turns up on roughly 99% of them.

0%25%50%75%100%151015202530
Humid (%)Muggy (%)Oppressive (%)
107525
207624
307624
417524
517623
617623
717524
817524
917524
1017425
1117425
1217326
1317227
1417128
1507228
1607129
1707030
1807030
1916930
2016930
2116930
2216930
2326929
2426929
2536928
2637027
2747026
2847125
2947224
3057124

Wind in September

Winds average 6 km/h in September.

Across September, daily wind ranges from about 6 km/h on the calmest days to 7 km/h at its breeziest. It stays fairly steady from day to day.

0246810151015202530
Wind speed (km/h)Feels
16calm
26calm
36calm
46calm
56calm
66calm
76calm
86calm
96calm
106calm
116calm
126calm
136calm
146calm
156calm
166calm
176calm
186calm
196calm
206calm
216calm
226calm
236calm
246calm
256calm
266calm
277calm
287calm
297calm
307calm

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 6:03 AM to 6:07 AM, and sunset from 6:23 PM to 5:59 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202530
Daylight (h)Sunrise (AM)Sunset (PM)
112.36:036:23
212.36:036:22
312.36:046:22
412.36:046:21
512.36:046:20
612.36:046:19
712.26:046:18
812.26:046:17
912.26:046:17
1012.26:046:16
1112.26:046:15
1212.26:056:14
1312.16:056:13
1412.16:056:12
1512.16:056:11
1612.16:056:11
1712.16:056:10
1812.16:056:09
1912.06:056:08
2012.06:056:07
2112.06:066:06
2212.06:066:05
2312.06:066:05
2412.06:066:04
2511.96:066:03
2611.96:066:02
2711.96:066:01
2811.96:076:00
2911.96:076:00
3011.96:075:59

Solar energy in September

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in September, about 4.65 kWh/m².

For context, solar energy here swings from a low near 4.1 kWh/m² to a high of 6.53 kWh/m² in April across the year — September's 4.65 kWh/m² falls in the middle.

0246151015202530
Solar energy (kWh/m²)Level
15.0Bright
25.0Bright
35.0Bright
45.0Bright
54.9Bright
64.9Bright
74.9Bright
84.9Bright
94.9Bright
104.9Bright
114.8Bright
124.8Bright
134.8Bright
144.8Bright
154.7Bright
164.7Bright
174.7Bright
184.6Bright
194.6Bright
204.6Bright
214.5Bright
224.5Bright
234.5Bright
244.4Bright
254.4Bright
264.4Bright
274.3Bright
284.3Bright
294.3Bright
304.3Bright
Planning a trip in September

Hazard calendar for Ocozocoautla de Espinosa

In seasonPeak

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

Ocozocoautla de Espinosa'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 Ocozocoautla de Espinosa?

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

3.7
Sightseeing
9th-best month of the year
4.0
Beach & pool
12th-best month of the year

September is a weaker month for outdoor sightseeing in Ocozocoautla de Espinosa.

What to pack for Ocozocoautla de Espinosa in September

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

In September, Ocozocoautla de Espinosa sees daytime highs around 28°C and nights near 20°C. Pack light clothes and rain gear. Worth having: sun protection. About 27 days see rain.

light clothesrain gearsun protection

UV index in Ocozocoautla de Espinosa in September

LowModerateHighVery highExtreme

Clear-sky midday UV in September peaks around 12 (very high — sun protection essential). The full-year curve, shaded by WHO exposure level, is below.

Under clear skies, the midday UV index in Ocozocoautla de Espinosa peaks around April 11 at about 14 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near December 18 at about 8 (very high).

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

025710JanFebMarAprMayJunJulAugSepOctNovDecVery highExtremeVery highApr 11UV 14Dec 18UV 8
UV index (midday)Level
Jan9Very high
Feb12Extreme
Mar13Extreme
Apr14Extreme
May12Extreme
Jun14Extreme
Jul12Extreme
Aug13Extreme
Sep12Extreme
Oct11Extreme
Nov9Very high
Dec8Very high

Air quality in Ocozocoautla de Espinosa 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 Ocozocoautla de Espinosa is worst in April — around 38 µg/m³ PM2.5 (poor), about 3.1× the cleanest month (December, 12 µg/m³).

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

010203040JanFebMarAprMayJunJulAugSepOctNovDecModeratePoorModerateApr 2337 µg/m³Dec 1612 µg/m³
PM2.5 (µg/m³)Level
Jan13Moderate
Feb21Moderate
Mar27Moderate
Apr38Poor
May37Poor
Jun21Moderate
Jul24Moderate
Aug20Moderate
Sep19Moderate
Oct15Moderate
Nov13Moderate
Dec12Moderate
Location & terrain

Where is Ocozocoautla de Espinosa?

Ocozocoautla de Espinosa sits at 16.8°N, 93.4°W, 873 m above sea level, in Mexico. The nearest listed city is Berriozábal, 12 km away.

Topography around Ocozocoautla de Espinosa

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

Within 3 km, the terrain around Ocozocoautla de Espinosa has significant variations in elevation — a maximum elevation change of 388 m around an average of 894 m above sea level; within 16 km, large variations in elevation — a maximum elevation change of 702 m; within 80 km, extreme variations in elevation — a maximum elevation change of 2,679 m.

The land around Ocozocoautla de Espinosa is covered by grassland (46%) and trees (28%) within 3 km, trees (46%) and grassland (35%) within 16 km, and trees (61%) and grassland (30%) within 80 km.

3 km
388 m
16 km
702 m
80 km
2,679 m
treesshrubsgrasslandcroplandartificial surfacesbare terrainwater
September weather nearby: Berriozábal 12 km · Tuxtla 28 km · Suchiapa 33 km · Cintalapa de Figueroa 38 km · Chiapas 39 km · Villaflores 60 km · San Cristóbal de las Casas 78 km · Arriaga 81 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 Ocozocoautla de Espinosa (16.7612°, -93.3743°, elevation 873 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).