Champotón weather in September

In September, Champotón sees average daytime highs of 31°C and overnight lows near 26°C, with 158 mm of rain across 20.9 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 20% 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 Champotón's 12th-clearest and 12th-windiest month. For the whole year in context, see Champotón's year-round climate.

Daytime high
31°
6th warmest
Overnight low
26°
8th coldest
Rainfall
158 mm
20.9 wet days
Daylight
12 h 06 min
5:54 AM – 6:00 PM
Cloud cover
67%
12th clearest
Wind
12 km/h
12th windiest
Solar energy
5.57 kWh/m²
Travel score
3.4
out of 10

Champotón is municipal seat of Champotón, State of Campeche, Mexico.

Founded
1538

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 Champotón reaches about 31°C in the afternoon and slips back to 26°C overnight — a 5°C spread between the day's warmth and the night's chill. On most days the high lands between 29°C and 33°C. Set against its neighbours, September runs about 1°C cooler than August and about 1°C warmer than October.

20°25°30°35°151015202530
Avg high (°C)Avg low (°C)
13126
23126
33126
43126
53126
63126
73126
83126
93126
103126
113126
123126
133126
143126
153126
163126
173126
183126
193126
203125
213125
223125
233125
243025
253025
263025
273025
283025
293025
303025

How September really feels in Champotón

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.

Champotón 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
Jan27° / 21°184.2117.7
Feb29° / 22°102.211.37.2
Mar30° / 23°102.311.96.1
Apr32° / 25°112.912.45.0
May32° / 26°366.312.94.2
Jun32° / 26°12115.313.13.3
Jul32° / 26°6512.5133.6
Aug32° / 26°10316.112.73.5
Sep31° / 26°15820.912.13.4
Oct30° / 25°1271511.64.6
Nov29° / 23°457.211.16.3
Dec28° / 22°254.210.97.5

Cloud cover in September

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 20% of the time in September, the cloudiest month of the year.

Beyond those clear spells, partly cloudy skies cover about 21% of September, with mostly cloudy or overcast conditions the remaining 59%.

0%25%50%75%100%151015202530
Clearer (%)Cloudier (%)
14258
24258
34159
44159
54159
64159
74258
84258
94258
104159
114159
124159
134258
144357
154357
164357
174357
184258
194258
204258
214159
224060
234060
244060
254060
264060
273961
284060
293961
304060

Chance of precipitation in September

Any precipitation

Champotón gets around 158 mm of rain over 20.9 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 68% and peaks near 70% on the wettest days.

0%20%40%60%80%151015202530
Rain chance (%)
164
265
366
466
567
667
768
868
968
1068
1167
1267
1367
1467
1567
1668
1768
1869
1969
2069
2170
2270
2370
2470
2570
2670
2770
2870
2969
3068

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 53% of days. Sticky, muggy-or-worse air turns up on roughly 100% of them.

0%25%50%75%100%151015202530
Muggy (%)Oppressive (%)Miserable (%)
105347
205347
305347
415247
515148
615148
715148
815148
915049
1015049
1115049
1215049
1315049
1415049
1505149
1605149
1705149
1805149
1905248
2005248
2105347
2205446
2315445
2415544
2515742
2615841
2725840
2825939
2926038
3036136

Wind in September

Winds average 12 km/h in September, the calmest month.

Across September, daily wind ranges from about 12 km/h on the calmest days to 12 km/h at its breeziest. It stays fairly steady from day to day.

051015151015202530
Wind speed (km/h)Feels
112light breeze
212light breeze
312light breeze
412light breeze
512light breeze
612light breeze
712calm
812calm
912calm
1012calm
1112calm
1212calm
1312calm
1412calm
1512calm
1612calm
1712calm
1812calm
1912calm
2012calm
2112calm
2212calm
2312calm
2412calm
2512calm
2612light breeze
2712light breeze
2812light breeze
2912light breeze
3012light breeze

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 5:51 AM to 5:57 AM, and sunset from 6:14 PM to 5:48 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202530
Daylight (h)Sunrise (AM)Sunset (PM)
112.45:516:14
212.45:516:13
312.45:516:12
412.35:526:12
512.35:526:11
612.35:526:10
712.35:526:09
812.35:526:08
912.25:536:07
1012.25:536:06
1112.25:536:05
1212.25:536:04
1312.25:536:03
1412.15:546:02
1512.15:546:01
1612.15:546:00
1712.15:546:00
1812.15:545:59
1912.15:555:58
2012.05:555:57
2112.05:555:56
2212.05:555:55
2312.05:555:54
2412.05:565:53
2511.95:565:52
2611.95:565:51
2711.95:565:50
2811.95:565:49
2911.95:575:48
3011.85:575:48

Solar energy in September

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in September, about 5.57 kWh/m².

For context, solar energy here swings from a low near 4.17 kWh/m² to a high of 6.82 kWh/m² in April across the year — September's 5.57 kWh/m² falls in the middle.

0246151015202530
Solar energy (kWh/m²)Level
16.0Bright
25.9Bright
35.9Bright
45.9Bright
55.9Bright
65.9Bright
75.8Bright
85.8Bright
95.8Bright
105.8Bright
115.8Bright
125.7Bright
135.7Bright
145.7Bright
155.6Bright
165.6Bright
175.6Bright
185.5Bright
195.5Bright
205.5Bright
215.4Bright
225.4Bright
235.3Bright
245.3Bright
255.3Bright
265.2Bright
275.2Bright
285.2Bright
295.1Bright
305.1Bright
Planning a trip in September

Hazard calendar for Champotón

In seasonPeak

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

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

Champotón's rainy season runs August–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 Champotón?

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

3.4
Sightseeing
11th-best month of the year
5.0
Beach & pool
12th-best month of the year

September is a weaker month for outdoor sightseeing in Champotón.

What to pack for Champotón in September

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

In September, Champotón sees daytime highs around 31°C and nights near 26°C. Pack light clothes and rain gear. Worth having: sun protection. About 21 days see rain.

light clothesrain gearsun protection

Sea temperature near Champotón in September

The nearest coast averages about 30°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 17 km away) is warmest in September at about 30°C and coldest in January 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
Feb25Warm
Mar26Warm
Apr27Warm
May29Tropical
Jun29Tropical
Jul29Tropical
Aug29Tropical
Sep30Tropical
Oct29Tropical
Nov27Warm
Dec25Warm

UV index in Champotón 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 Champotón peaks around June 19 at about 13 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near December 17 at about 7 (high).

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

025710JanFebMarAprMayJunJulAugSepOctNovDecVery highExtremeVery highHighJun 19UV 13Dec 17UV 7
UV index (midday)Level
Jan7Very high
Feb10Extreme
Mar12Extreme
Apr13Extreme
May10Very high
Jun13Extreme
Jul12Extreme
Aug12Extreme
Sep12Extreme
Oct10Very high
Nov8Very high
Dec7High

Air quality in Champotón 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 Champotón is worst in April — around 32 µg/m³ PM2.5 (moderate), about 4.9× the cleanest month (November, 7 µg/m³).

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

010203040JanFebMarAprMayJunJulAugSepOctNovDecGoodModerateGoodApr 2231 µg/m³Nov 237 µg/m³
PM2.5 (µg/m³)Level
Jan7Good
Feb9Good
Mar14Moderate
Apr32Moderate
May29Moderate
Jun26Moderate
Jul27Moderate
Aug19Moderate
Sep14Moderate
Oct9Good
Nov7Good
Dec7Good
Location & terrain

Where is Champotón?

Champotón sits at 19.3°N, 90.7°W, 5 m above sea level, in Mexico. The nearest listed city is Campeche, 59 km away.

Ek BalamUmán

Topography around Champotón

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

Within 3 km, the terrain around Champotón has only modest variations in elevation — a maximum elevation change of 52 m around an average of 3 m above sea level; within 16 km, only modest variations in elevation — a maximum elevation change of 113 m; within 80 km, only modest variations in elevation — a maximum elevation change of 233 m.

The land around Champotón is covered by water (31%) and artificial surfaces (20%) within 3 km, water (39%) and trees (32%) within 16 km, and trees (51%) and water (30%) within 80 km.

3 km
52 m
16 km
113 m
80 km
233 m
treesgrasslandcroplandartificial surfaceswaterwetlandmangroves
September weather nearby: Campeche 59 km · Escárcega 82 km · Ciudad del Carmen 140 km · Ticul 170 km · Oxkutzkab 173 km · Tecax 178 km · Ek Balam 194 km · Umán 199 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 Champotón (19.3474°, -90.7204°, elevation 5 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).