Catemaco weather in September

In September, Catemaco sees average daytime highs of 28°C and overnight lows near 24°C, with 359 mm of rain across 26.5 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 28°C through the month. The sky is clear or mostly clear about 11% 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 54 min by month's end. Set against the rest of the year, September is Catemaco's 12th-clearest and 10th-windiest month. For the whole year in context, see Catemaco's year-round climate.

Daytime high
28°
6th warmest
Overnight low
24°
8th coldest
Rainfall
359 mm
26.5 wet days
Daylight
12 h 06 min
6:12 AM – 6:18 PM
Cloud cover
78%
12th clearest
Wind
8 km/h
10th windiest
Solar energy
4.82 kWh/m²
Travel score
3.7
out of 10

Catemaco is municipal seat of Catemaco, State of Veracruz, Mexico.

Founded
1774

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 Catemaco reaches about 28°C in the afternoon and slips back to 24°C overnight — a 4°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.

20°23°25°28°30°151015202530
Avg high (°C)Avg low (°C)
12824
22824
32824
42824
52824
62824
72824
82824
92824
102824
112824
122824
132824
142824
152824
162824
172824
182824
192824
202824
212824
222824
232824
242824
252824
262724
272724
282724
292724
302724

How September really feels in Catemaco

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.

Catemaco 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
Jan23° / 19°16815.7116.0
Feb24° / 19°9810.611.46.8
Mar26° / 21°669.111.97.2
Apr28° / 23°527.712.46.6
May29° / 24°8711.412.95.3
Jun29° / 24°23723.413.13.8
Jul28° / 24°24226.4133.7
Aug28° / 24°26927.212.63.6
Sep28° / 24°35926.512.13.7
Oct27° / 23°3432311.64.6
Nov25° / 21°26418.411.15.5
Dec24° / 20°1721710.95.9

Cloud cover in September

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 11% of the time in September, the cloudiest month of the year.

Beyond those clear spells, partly cloudy skies cover about 11% of September, with mostly cloudy or overcast conditions the remaining 78%.

0%25%50%75%100%151015202530
Clearer (%)Cloudier (%)
12179
22179
32179
42179
52080
62080
72080
82179
92179
102080
112179
122278
132278
142278
152278
162278
172278
182278
192377
202377
212377
222377
232377
242377
252476
262476
272476
282476
292575
302575

Chance of precipitation in September

Any precipitation

Catemaco gets around 359 mm of rain over 26.5 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 88% and peaks near 90% on the wettest days.

0%20%40%60%80%100%151015202530
Rain chance (%)
190
290
390
490
590
690
790
890
990
1089
1189
1289
1388
1488
1587
1687
1787
1887
1986
2086
2186
2286
2386
2486
2586
2686
2786
2886
2985
3085

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 85% of days. Sticky, muggy-or-worse air turns up on roughly 100% of them.

0%25%50%75%100%151015202530
Humid (%)Muggy (%)Oppressive (%)Miserable (%)
1008713
2008812
3018712
4018811
5018811
6018811
7018811
8018811
9018811
10018712
11018712
12018712
13018613
14018613
15018613
16018613
17018514
18018514
19028414
20028414
21038314
22038314
23048313
24058213
25068212
26078112
27188011
28188011
29197911
301107910

Wind in September

Winds average 8 km/h in September.

Across September, daily wind ranges from about 8 km/h on the calmest days to 10 km/h at its breeziest. It stays fairly steady from day to day.

051015151015202530
Wind speed (km/h)Feels
18calm
28calm
38calm
48calm
58calm
68calm
78calm
88calm
98calm
108calm
118calm
128calm
138calm
148calm
158calm
168calm
178calm
188calm
199calm
209calm
219calm
229calm
239calm
249calm
259calm
269calm
2710calm
2810calm
2910calm
3010calm

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 6:09 AM to 6:14 AM, and sunset from 6:31 PM to 6:05 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202530
Daylight (h)Sunrise (AM)Sunset (PM)
112.46:096:31
212.36:096:30
312.36:106:29
412.36:106:29
512.36:106:28
612.36:106:27
712.36:106:26
812.26:106:25
912.26:116:24
1012.26:116:23
1112.26:116:22
1212.26:116:21
1312.26:116:21
1412.16:116:20
1512.16:126:19
1612.16:126:18
1712.16:126:17
1812.16:126:16
1912.06:126:15
2012.06:126:14
2112.06:136:13
2212.06:136:12
2312.06:136:12
2412.06:136:11
2511.96:136:10
2611.96:136:09
2711.96:146:08
2811.96:146:07
2911.96:146:06
3011.96:146:05

Solar energy in September

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in September, about 4.82 kWh/m².

For context, solar energy here swings from a low near 3.62 kWh/m² to a high of 6.71 kWh/m² in May across the year — September's 4.82 kWh/m² falls in the middle.

0246151015202530
Solar energy (kWh/m²)Level
15.2Bright
25.2Bright
35.2Bright
45.1Bright
55.1Bright
65.1Bright
75.0Bright
85.0Bright
95.0Bright
105.0Bright
115.0Bright
124.9Bright
134.9Bright
144.9Bright
154.9Bright
164.8Bright
174.8Bright
184.8Bright
194.8Bright
204.8Bright
214.7Bright
224.7Bright
234.7Bright
244.7Bright
254.6Bright
264.6Bright
274.6Bright
284.5Bright
294.5Bright
304.5Bright
Planning a trip in September

Hazard calendar for Catemaco

In seasonPeak

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

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

Catemaco's rainy season runs June–January, 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 Catemaco?

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

3.7
Sightseeing
10th-best month of the year
4.1
Beach & pool
12th-best month of the year

September is a weaker month for outdoor sightseeing in Catemaco.

What to pack for Catemaco in September

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

In September, Catemaco sees daytime highs around 28°C and nights near 24°C. Pack light clothes and rain gear. Worth having: sun protection. About 27 days see rain.

light clothesrain gearsun protection

Sea temperature near Catemaco 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 23 km away) is warmest in August 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
Jan24Refreshing
Feb24Refreshing
Mar24Warm
Apr26Warm
May28Warm
Jun29Tropical
Jul29Tropical
Aug29Tropical
Sep29Tropical
Oct28Tropical
Nov27Warm
Dec25Warm

UV index in Catemaco 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 Catemaco peaks around August 16 at about 13 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near December 20 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 13Dec 20UV 7
UV index (midday)Level
Jan7Very high
Feb10Extreme
Mar11Extreme
Apr13Extreme
May10Very high
Jun12Extreme
Jul11Extreme
Aug13Extreme
Sep11Extreme
Oct10Extreme
Nov8Very high
Dec7High

Air quality in Catemaco 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 Catemaco is worst in July — around 30 µg/m³ PM2.5 (moderate), about 2.7× the cleanest month (January, 11 µg/m³).

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

010203040JanFebMarAprMayJunJulAugSepOctNovDecGoodModerateGoodJul 1529 µg/m³Jan 1711 µg/m³
PM2.5 (µg/m³)Level
Jan11Good
Feb12Good
Mar14Moderate
Apr21Moderate
May29Moderate
Jun25Moderate
Jul30Moderate
Aug22Moderate
Sep17Moderate
Oct12Good
Nov11Good
Dec12Moderate
Location & terrain

Where is Catemaco?

Catemaco sits at 18.4°N, 95.1°W, 363 m above sea level, in Mexico. The nearest listed city is San Andrés Tuxtla, 11 km away.

Topography around Catemaco

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

Within 3 km, the terrain around Catemaco has significant variations in elevation — a maximum elevation change of 414 m around an average of 379 m above sea level; within 16 km, very significant variations in elevation — a maximum elevation change of 1,466 m; within 80 km, very significant variations in elevation — a maximum elevation change of 1,658 m.

The land around Catemaco is covered by trees (36%), water (30%) and grassland (21%) within 3 km, trees (52%) and grassland (34%) within 16 km, and grassland (34%), water (32%) and trees (22%) within 80 km.

3 km
414 m
16 km
1,466 m
80 km
1,658 m
treesgrasslandcroplandartificial surfaceswaterwetlandmangroves
September weather nearby: San Andrés Tuxtla 11 km · Santiago Tuxtla 20 km · Lerdo de Tejada 49 km · Acayucan 57 km · Tlacotalpan 61 km · Isla 62 km · Jáltipan de Morelos 66 km · Fraccionamiento Ciudad Olmeca 66 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 Catemaco (18.4213°, -95.114°, elevation 363 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).