Tepeapulco weather in September

In September, Tepeapulco sees average daytime highs of 20°C and overnight lows near 10°C, with 137 mm of rain across 18.5 wet days and about 12.1 hours of daylight. It is the 8th-warmest and 1st-wettest month of the year here.

Day-to-day highs hold fairly steady near 20°C through the month. The sky is clear or mostly clear about 10% of the time in September, and the air most often feels dry.

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 Tepeapulco's 12th-clearest and 6th-windiest month. For the whole year in context, see Tepeapulco's year-round climate.

Daytime high
20°
8th warmest
Overnight low
10°
11th coldest
Rainfall
137 mm
18.5 wet days
Daylight
12 h 06 min
6:25 AM – 6:32 PM
Cloud cover
75%
12th clearest
Wind
7 km/h
6th windiest
Solar energy
5.07 kWh/m²
Travel score
4.9
out of 10

Tepeapulco is human settlement.

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 20°C through the month.

A typical September day in Tepeapulco reaches about 20°C in the afternoon and slips back to 10°C overnight — a 10°C spread between the day's warmth and the night's chill. On most days the high lands between 17°C and 22°C. Set against its neighbours, September runs on par with August and on par with October.

10°15°20°25°151015202530
Avg high (°C)Avg low (°C)
12010
22010
32010
42010
52010
62010
72010
82010
92010
102010
112010
122010
132010
142010
152010
162010
172010
182010
192010
202010
212010
222010
232010
242010
252010
262010
272010
282010
292010
30199

Tepeapulco weather by month

How September compares with the rest of the year at a glance. September is the 8th-warmest and 1st-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysDaylight (hours)Travel score
Jan19° / 173.910.97.2
Feb20° / 163.611.37.7
Mar22° / 286.811.97.6
Apr23° / 5110.612.46.9
May23° / 6612.712.96.5
Jun22° / 10°13117.213.25.4
Jul20° / 10°12819.613.14.9
Aug20° / 10°12719.812.74.9
Sep20° / 10°13718.512.14.9
Oct19° / 7210.811.56.0
Nov19° / 295.411.17.0
Dec19° / 112.310.87.5

Cloud cover in September

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 10% of the time in September, the cloudiest month of the year.

Beyond those clear spells, partly cloudy skies cover about 15% of September, with mostly cloudy or overcast conditions the remaining 75%.

0%25%50%75%100%151015202530
Clearer (%)Cloudier (%)
12575
22575
32575
42575
52476
62476
72575
82575
92476
102476
112476
122476
132476
142476
152575
162476
172575
182575
192476
202476
212575
222575
232575
242674
252773
262773
272773
282872
292971
302971

Chance of precipitation in September

Any precipitation

Tepeapulco gets around 137 mm of rain over 18.5 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 60% and peaks near 65% on the wettest days. The odds ease toward the end of the month.

0%20%40%60%80%151015202530
Rain chance (%)
165
265
365
465
565
665
765
865
965
1064
1164
1263
1363
1462
1562
1662
1761
1861
1960
2060
2159
2258
2357
2456
2555
2654
2753
2852
2951
3050

Humidity in September

DryComfortableHumidMuggyOppressiveMiserable

Most of September feels dry — the stacked bands show each day's mix of comfort levels, read off the dew point.

By dew point, September lands in the dry band about 98% of days. It rarely turns muggy — the humid and sticky bands barely register.

0%25%50%75%100%151015202530
Dry (%)Comfortable (%)
1991
2991
3991
4991
5991
6991
7991
8982
9982
10982
11982
12982
13982
14982
15982
16973
17973
18973
19973
20973
21973
22973
23973
24982
25982
26982
27982
28982
29982
30982

Wind in September

Winds average 7 km/h in September.

Across September, daily wind ranges from about 7 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
17calm
27calm
37calm
47calm
57calm
67calm
77calm
87calm
97calm
107calm
117calm
127calm
137calm
147calm
157calm
167calm
177calm
187calm
197calm
207calm
217calm
227calm
237calm
247calm
257calm
267calm
277calm
287calm
297calm
307calm

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 6:22 AM to 6:28 AM, and sunset from 6:46 PM to 6:19 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202530
Daylight (h)Sunrise (AM)Sunset (PM)
112.46:226:46
212.46:226:45
312.46:226:44
412.36:236:43
512.36:236:42
612.36:236:41
712.36:236:40
812.36:246:39
912.26:246:38
1012.26:246:38
1112.26:246:37
1212.26:246:36
1312.26:256:35
1412.16:256:34
1512.16:256:33
1612.16:256:32
1712.16:256:31
1812.16:266:30
1912.16:266:29
2012.06:266:28
2112.06:266:27
2212.06:266:26
2312.06:276:25
2412.06:276:24
2511.96:276:23
2611.96:276:22
2711.96:286:21
2811.96:286:21
2911.96:286:20
3011.86:286:19

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 4.86 kWh/m² to a high of 6.94 kWh/m² in April across the year — September's 5.07 kWh/m² falls in the middle.

0246151015202530
Solar energy (kWh/m²)Level
15.4Bright
25.3Bright
35.3Bright
45.3Bright
55.3Bright
65.3Bright
75.2Bright
85.2Bright
95.2Bright
105.2Bright
115.2Bright
125.2Bright
135.1Bright
145.1Bright
155.1Bright
165.1Bright
175.1Bright
185.1Bright
195.1Bright
205.1Bright
215.0Bright
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 Tepeapulco

In seasonPeak

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

Tepeapulco's rainy season runs May–October, 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 Tepeapulco?

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

4.9
Sightseeing
10th-best month of the year
2.5
Beach & pool
12th-best month of the year

September is a reasonable time to visit Tepeapulco for sightseeing.

What to pack for Tepeapulco in September

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

In September, Tepeapulco sees daytime highs around 20°C and nights near 10°C. Pack rain gear. Worth having: sun protection. About 19 days see rain.

rain gearsun protection

UV index in Tepeapulco 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 Tepeapulco peaks around April 12 at about 14 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near December 16 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 12UV 14Dec 16UV 8
UV index (midday)Level
Jan9Very high
Feb12Extreme
Mar14Extreme
Apr15Extreme
May11Extreme
Jun15Extreme
Jul13Extreme
Aug14Extreme
Sep12Extreme
Oct11Extreme
Nov9Very high
Dec8Very high

Air quality in Tepeapulco 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 Tepeapulco is worst in December — around 165 µg/m³ PM2.5 (very unhealthy), and holds fairly steady the rest of the year.

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

0306090120150180JanFebMarAprMayJunJulAugSepOctNovDecUnhealthyVery unhealthyDec 13163 µg/m³Aug 15114 µg/m³
PM2.5 (µg/m³)Level
Jan137Unhealthy
Feb131Unhealthy
Mar122Unhealthy
Apr120Unhealthy
May143Unhealthy
Jun121Unhealthy
Jul118Unhealthy
Aug113Unhealthy
Sep120Unhealthy
Oct121Unhealthy
Nov155Very unhealthy
Dec165Very unhealthy
Location & terrain

Where is Tepeapulco?

Tepeapulco sits at 19.8°N, 98.6°W, 2,504 m above sea level, in Mexico. The nearest listed city is Ciudad Sahagun, 3.0 km away.

Topography around Tepeapulco

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

Within 3 km, the terrain around Tepeapulco has significant variations in elevation — a maximum elevation change of 409 m around an average of 2,528 m above sea level; within 16 km, large variations in elevation — a maximum elevation change of 901 m; within 80 km, extreme variations in elevation — a maximum elevation change of 4,696 m.

The land around Tepeapulco is covered by shrubs (29%), cropland (26%) and grassland (21%) within 3 km, cropland (44%) and shrubs (22%) within 16 km, and trees (31%) and cropland (30%) within 80 km.

3 km
409 m
16 km
901 m
80 km
4,696 m
treesshrubsgrasslandcroplandartificial surfacesbare terrain
September weather nearby: Ciudad Sahagun 3.0 km · Apan 14 km · Calpulalpan 22 km · Teotihuacán de Arista 34 km · Teotihuacan 34 km · Santiago Tulantepec 34 km · La Providencia Siglo XXI 35 km · Cuautepec de Hinojosa 37 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 Tepeapulco (19.7884°, -98.5527°, elevation 2,504 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).