Coatzintla weather in September

In September, Coatzintla sees average daytime highs of 31°C and overnight lows near 23°C, with 251 mm of rain across 23.2 wet days and about 12.1 hours of daylight. It is the 5th-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 14% of the time in September, and the air most often feels oppressive.

Daylight stretches from about 12 h 24 min at the start of September to 11 h 48 min by month's end. Set against the rest of the year, September is Coatzintla's 12th-clearest and 9th-windiest month. For the whole year in context, see Coatzintla's year-round climate.

Daytime high
31°
5th warmest
Overnight low
23°
8th coldest
Rainfall
251 mm
23.2 wet days
Daylight
12 h 06 min
6:21 AM – 6:28 PM
Cloud cover
72%
12th clearest
Wind
6 km/h
9th windiest
Solar energy
4.72 kWh/m²
Travel score
3.0
out of 10

Coatzintla is municipal seat of Coatzintla, State of Veracruz, 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 Coatzintla reaches about 31°C in the afternoon and slips back to 23°C overnight — a 8°C spread between the day's warmth and the night's chill. On most days the high lands between 28°C and 34°C. Set against its neighbours, September runs about 1°C cooler than August and about 2°C warmer than October.

15°20°25°30°35°151015202530
Avg high (°C)Avg low (°C)
13223
23223
33223
43223
53223
63223
73223
83123
93123
103123
113123
123123
133123
143123
153123
163123
173123
183123
193123
203123
213123
223123
233123
243123
253123
263022
273022
283022
293022
303022

How September really feels in Coatzintla

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.

Coatzintla 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
Jan24° / 15°51910.96.9
Feb25° / 17°477.811.36.8
Mar28° / 19°568.111.96.3
Apr31° / 21°738.212.54.8
May32° / 23°10012.1133.6
Jun32° / 24°17320.813.22.8
Jul32° / 23°16022.613.12.8
Aug32° / 23°16823.412.72.8
Sep31° / 23°25123.212.13.0
Oct29° / 21°21315.811.54.6
Nov27° / 18°11211.8116.2
Dec24° / 16°539.410.86.8

Cloud cover in September

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 14% 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 69%.

0%25%50%75%100%151015202530
Clearer (%)Cloudier (%)
13070
23070
33169
43070
53070
62971
72971
82872
92872
102872
112872
122971
133070
143169
153169
163169
173169
183268
193268
203367
213367
223367
233466
243466
253367
263466
273466
283565
293565
303466

Chance of precipitation in September

Any precipitation

Coatzintla gets around 251 mm of rain over 23.2 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 76% and peaks near 81% on the wettest days. The odds ease toward the end of the month.

0%20%40%60%80%151015202530
Rain chance (%)
181
281
381
481
581
681
781
881
981
1081
1181
1280
1380
1479
1579
1678
1777
1877
1976
2075
2174
2273
2372
2471
2570
2668
2767
2866
2966
3065

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 63% of days. Sticky, muggy-or-worse air turns up on roughly 99% of them.

0%25%50%75%100%151015202530
Comfortable (%)Humid (%)Muggy (%)Oppressive (%)Miserable (%)
10016534
20016534
30016534
40016534
50026434
60026434
70026533
80026533
90026533
100026533
110026533
120026533
130036433
140036433
150036433
160046333
170046333
180156232
190166132
200166231
210176230
220286129
2302106127
2403116026
2513125925
2613136023
2714145922
2814155921
2914165920
3015175819

Wind in September

Winds average 6 km/h in September.

Across September, daily wind ranges from about 5 km/h on the calmest days to 6 km/h at its breeziest. It stays fairly steady from day to day.

0246810151015202530
Wind speed (km/h)Feels
15calm
25calm
35calm
45calm
55calm
65calm
75calm
86calm
96calm
106calm
116calm
126calm
136calm
146calm
156calm
166calm
176calm
186calm
196calm
206calm
216calm
226calm
236calm
246calm
256calm
266calm
276calm
286calm
296calm
306calm

Sunrise & sunset in September

DaylightNight

Daylight runs from about 12 h 24 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 36 minutes over September. Sunrise moves from 6:17 AM to 6:24 AM, and sunset from 6:42 PM to 6:14 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202530
Daylight (h)Sunrise (AM)Sunset (PM)
112.46:176:42
212.46:176:41
312.46:186:40
412.46:186:39
512.36:186:38
612.36:186:37
712.36:196:36
812.36:196:35
912.36:196:34
1012.26:196:33
1112.26:206:33
1212.26:206:32
1312.26:206:31
1412.26:206:30
1512.16:216:29
1612.16:216:28
1712.16:216:27
1812.16:216:26
1912.16:216:25
2012.06:226:24
2112.06:226:23
2212.06:226:22
2312.06:226:21
2412.06:236:20
2511.96:236:19
2611.96:236:18
2711.96:236:17
2811.96:246:16
2911.96:246:15
3011.86:246:14

Solar energy in September

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in September, about 4.72 kWh/m².

For context, solar energy here swings from a low near 3.11 kWh/m² to a high of 5.84 kWh/m² in May across the year — September's 4.72 kWh/m² falls in the middle.

0246151015202530
Solar energy (kWh/m²)Level
15.2Bright
25.1Bright
35.1Bright
45.1Bright
55.0Bright
65.0Bright
75.0Bright
84.9Bright
94.9Bright
104.9Bright
114.9Bright
124.8Bright
134.8Bright
144.8Bright
154.8Bright
164.8Bright
174.7Bright
184.7Bright
194.7Bright
204.7Bright
214.6Bright
224.6Bright
234.6Bright
244.6Bright
254.5Bright
264.5Bright
274.5Bright
284.5Bright
294.4Bright
304.4Bright
Planning a trip in September

Hazard calendar for Coatzintla

In seasonPeak

In September, Coatzintla sits inside its atlantic hurricane and rainy season season. The full year is below, with each hazard's peak months called out.

Coatzintla sits in the Atlantic hurricane belt; the season peaks August–October.

Coatzintla's rainy season runs June–October, when most of the year's rain falls.

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

Is September a good time to visit Coatzintla?

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

3.0
Sightseeing
9th-best month of the year
4.5
Beach & pool
10th-best month of the year

September is a weaker month for outdoor sightseeing in Coatzintla.

What to pack for Coatzintla in September

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

In September, Coatzintla sees daytime highs around 31°C and nights near 23°C. Pack light clothes and rain gear. Worth having: sun protection. About 23 days see rain.

light clothesrain gearsun protection

Sea temperature near Coatzintla 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 at the nearest coast (about 39 km away) is warmest in September at about 29°C and coldest in February near 22°C.

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

20°25°30°JanFebMarAprMayJunJulAugSepOctNovDecrefreshingwarmtropicalcomfortable to swim
Sea temperature (°C)Comfort
Jan23Refreshing
Feb22Refreshing
Mar23Refreshing
Apr25Warm
May27Warm
Jun28Tropical
Jul28Tropical
Aug29Tropical
Sep29Tropical
Oct28Tropical
Nov26Warm
Dec24Warm

UV index in Coatzintla in September

LowModerateHighVery highExtreme

Clear-sky midday UV in September peaks around 10 (very high — sun protection essential). The full-year curve, shaded by WHO exposure level, is below.

Under clear skies, the midday UV index in Coatzintla peaks around June 20 at about 12 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near December 21 at about 6 (high).

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

025710JanFebMarAprMayJunJulAugSepOctNovDecVery highExtremeVery highExtremeVery highHighJun 20UV 12Dec 21UV 6
UV index (midday)Level
Jan7High
Feb9Very high
Mar10Extreme
Apr12Extreme
May8Very high
Jun12Extreme
Jul11Extreme
Aug12Extreme
Sep10Extreme
Oct9Very high
Nov7Very high
Dec6High

Air quality in Coatzintla 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 Coatzintla is worst in May — around 68 µg/m³ PM2.5 (unhealthy), about 1.8× the cleanest month (October, 38 µg/m³).

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

020406080JanFebMarAprMayJunJulAugSepOctNovDecUnhealthyPoorUnhealthyMay 1068 µg/m³Oct 1038 µg/m³
PM2.5 (µg/m³)Level
Jan58Unhealthy
Feb60Unhealthy
Mar60Unhealthy
Apr67Unhealthy
May68Unhealthy
Jun49Poor
Jul46Poor
Aug42Poor
Sep39Poor
Oct38Poor
Nov49Poor
Dec65Unhealthy
Location & terrain

Where is Coatzintla?

Coatzintla sits at 20.5°N, 97.5°W, 77 m above sea level, in Mexico. The nearest listed city is Poza Rica de Hidalgo, 5.0 km away.

Topography around Coatzintla

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

Within 3 km, the terrain around Coatzintla has only modest variations in elevation — a maximum elevation change of 189 m around an average of 90 m above sea level; within 16 km, significant variations in elevation — a maximum elevation change of 375 m; within 80 km, extreme variations in elevation — a maximum elevation change of 2,964 m.

The land around Coatzintla is covered by trees (44%), grassland (35%) and artificial surfaces (20%) within 3 km, grassland (48%) and trees (44%) within 16 km, and trees (53%) and grassland (27%) within 80 km.

3 km
189 m
16 km
375 m
80 km
2,964 m
treesgrasslandcroplandartificial surfaceswatermangroves
September weather nearby: Poza Rica de Hidalgo 5.0 km · El Tajín 11 km · Papantla de Olarte 16 km · Álamo 52 km · Alto Lucero 52 km · Túxpam de Rodríguez Cano 53 km · Xicotepec de Juárez 56 km · Martínez de la Torre 63 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 Coatzintla (20.487°, -97.4682°, elevation 77 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).