Tepalcatepec weather in September

In September, Tepalcatepec sees average daytime highs of 32°C and overnight lows near 22°C, with 172 mm of rain across 16.9 wet days and about 12.1 hours of daylight. It is the 10th-warmest and 1st-wettest month of the year here.

Day-to-day highs hold fairly steady near 32°C through the month. The sky is clear or mostly clear about 7% of the time in September, and the air most often feels muggy.

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 Tepalcatepec's 12th-clearest and 8th-windiest month. For the whole year in context, see Tepalcatepec's year-round climate.

Daytime high
32°
10th warmest
Overnight low
22°
8th coldest
Rainfall
172 mm
16.9 wet days
Daylight
12 h 06 min
6:42 AM – 6:49 PM
Cloud cover
78%
12th clearest
Wind
3 km/h
8th windiest
Solar energy
5.07 kWh/m²
Travel score
3.4
out of 10

Tepalcatepec is municipal seat of Tepalcatepec, State of Michoacán, Mexico.

Density
2,174/km²
people per km²

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 32°C through the month.

A typical September day in Tepalcatepec reaches about 32°C in the afternoon and slips back to 22°C overnight — a 9°C spread between the day's warmth and the night's chill. On most days the high lands between 28°C and 35°C. Set against its neighbours, September runs about 1°C cooler than August and on par with October.

20°25°30°35°40°151015202530
Avg high (°C)Avg low (°C)
13223
23223
33223
43223
53223
63223
73223
83222
93222
103222
113222
123222
133222
143222
153222
163222
173122
183122
193122
203122
213122
223122
233122
243122
253122
263122
273122
283122
293122
303122

How September really feels in Tepalcatepec

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.

Tepalcatepec weather by month

How September compares with the rest of the year at a glance. September is the 10th-warmest and 1st-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysDaylight (hours)Travel score
Jan31° / 16°161115.8
Feb33° / 17°10111.34.6
Mar35° / 19°80.511.93.3
Apr37° / 21°0012.41.8
May38° / 23°122.212.91.5
Jun34° / 24°12914.613.12.4
Jul33° / 23°11613.1133.1
Aug33° / 23°11814.812.73.0
Sep32° / 22°17216.912.13.4
Oct32° / 21°707.311.64.2
Nov32° / 19°141.711.14.8
Dec31° / 16°50.710.95.6

Cloud cover in September

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 7% of the time in September, the cloudiest month of the year.

Beyond those clear spells, partly cloudy skies cover about 14% of September, with mostly cloudy or overcast conditions the remaining 80%. Skies tend to open up as the month goes on.

0%25%50%75%100%151015202530
Clearer (%)Cloudier (%)
11585
21486
31486
41585
51585
61585
71585
81684
91783
101783
111882
121882
131981
142080
152080
162080
172179
182179
192179
202179
212179
222377
232377
242377
252575
262674
272773
282773
292971
303070

Chance of precipitation in September

Any precipitation

Tepalcatepec gets around 172 mm of rain over 16.9 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 55% and peaks near 60% on the wettest days. The odds ease toward the end of the month.

0%20%40%60%151015202530
Rain chance (%)
158
259
359
460
560
660
759
859
958
1058
1157
1256
1356
1455
1555
1655
1755
1855
1955
2055
2154
2254
2353
2453
2552
2651
2750
2849
2947
3046

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 58% of days. Sticky, muggy-or-worse air turns up on roughly 89% of them.

0%25%50%75%100%151015202530
Dry (%)Comfortable (%)Humid (%)Muggy (%)Oppressive (%)
102165428
201155628
301145728
401145728
501135828
601135828
701125928
801125928
901116028
1001116028
1101116028
1201106029
1301106029
1401106029
150196030
160195931
170086131
180086032
190085933
200085933
210085834
220085834
230085834
240085834
250195634
261195534
271195633
2811105632
2911105731
3011105830

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 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 6:40 AM to 6:45 AM, and sunset from 7:03 PM to 6:36 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202530
Daylight (h)Sunrise (AM)Sunset (PM)
112.46:407:03
212.46:407:02
312.36:407:01
412.36:407:00
512.36:406:59
612.36:416:58
712.36:416:57
812.36:416:56
912.26:416:55
1012.26:416:55
1112.26:426:54
1212.26:426:53
1312.26:426:52
1412.16:426:51
1512.16:426:50
1612.16:426:49
1712.16:436:48
1812.16:436:47
1912.16:436:46
2012.06:436:45
2112.06:436:44
2212.06:446:43
2312.06:446:42
2412.06:446:42
2511.96:446:41
2611.96:446:40
2711.96:456:39
2811.96:456:38
2911.96:456:37
3011.86:456:36

Solar energy in September

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in September, about 5.07 kWh/m².

For context, solar energy here swings from a low near 4.8 kWh/m² to a high of 7.42 kWh/m² in April across the year — September's 5.07 kWh/m² falls in the middle.

0246151015202530
Solar energy (kWh/m²)Level
15.2Bright
25.2Bright
35.2Bright
45.2Bright
55.2Bright
65.2Bright
75.2Bright
85.2Bright
95.2Bright
105.2Bright
115.2Bright
125.1Bright
135.1Bright
145.1Bright
155.1Bright
165.1Bright
175.1Bright
185.1Bright
195.1Bright
205.1Bright
215.1Bright
225.0Bright
235.0Bright
245.0Bright
255.0Bright
265.0Bright
275.0Bright
285.0Bright
295.0Bright
305.0Bright
Planning a trip in September

Hazard calendar for Tepalcatepec

In seasonPeak

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

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

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

Is September a good time to visit Tepalcatepec?

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

3.4
Sightseeing
6th-best month of the year
5.3
Beach & pool
10th-best month of the year

September is a weaker month for outdoor sightseeing in Tepalcatepec.

What to pack for Tepalcatepec in September

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

In September, Tepalcatepec sees daytime highs around 32°C and nights near 22°C. Pack light clothes and rain gear. Worth having: sun protection. About 17 days see rain.

light clothesrain gearsun protection

UV index in Tepalcatepec 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 Tepalcatepec peaks around March 20 at about 12 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near December 15 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 highHighMar 20UV 12Dec 15UV 6
UV index (midday)Level
Jan8Very high
Feb11Extreme
Mar12Extreme
Apr12Extreme
May12Extreme
Jun12Extreme
Jul12Extreme
Aug11Extreme
Sep11Extreme
Oct9Very high
Nov8Very high
Dec6High

Air quality in Tepalcatepec 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 Tepalcatepec is worst in April — around 57 µg/m³ PM2.5 (unhealthy), about 4.8× the cleanest month (February, 12 µg/m³).

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

0204060JanFebMarAprMayJunJulAugSepOctNovDecModeratePoorModerateApr 2055 µg/m³Feb 1012 µg/m³
PM2.5 (µg/m³)Level
Jan13Moderate
Feb12Good
Mar18Moderate
Apr57Unhealthy
May45Poor
Jun17Moderate
Jul14Moderate
Aug13Moderate
Sep13Moderate
Oct13Moderate
Nov13Moderate
Dec16Moderate
Location & terrain

Where is Tepalcatepec?

Tepalcatepec sits at 19.2°N, 102.8°W, 383 m above sea level, in Mexico. The nearest listed city is Apatzingán, 53 km away.

Topography around Tepalcatepec

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

Within 3 km, the terrain around Tepalcatepec has only modest variations in elevation — a maximum elevation change of 155 m around an average of 380 m above sea level; within 16 km, large variations in elevation — a maximum elevation change of 943 m; within 80 km, extreme variations in elevation — a maximum elevation change of 3,708 m.

The land around Tepalcatepec is covered by grassland (30%), trees (24%) and cropland (23%) within 3 km, shrubs (35%), trees (26%) and grassland (22%) within 16 km, and trees (60%) within 80 km.

3 km
155 m
16 km
943 m
80 km
3,708 m
treesshrubsgrasslandcroplandartificial surfaceswater
September weather nearby: Apatzingán 53 km · Coalcomán de Vázquez Pallares 56 km · Peribán de Ramos 59 km · Los Reyes de Salgado 59 km · Tuxpan 69 km · Tamazula de Gordiano 69 km · Zapotiltic 77 km · Nueva Italia de Ruiz 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 Tepalcatepec (19.1872°, -102.847°, elevation 383 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).