Teotihuacan weather in September

In September, Teotihuacan sees average daytime highs of 21°C and overnight lows near 11°C, with 137 mm of rain across 19.2 wet days and about 12.1 hours of daylight. It is the 8th-warmest and 2nd-wettest month of the year here.

Day-to-day highs hold fairly steady near 21°C through the month. The sky is clear or mostly clear about 11% 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 Teotihuacan's 12th-clearest and 11th-windiest month. For the whole year in context, see Teotihuacan's year-round climate.

Daytime high
21°
8th warmest
Overnight low
11°
11th coldest
Rainfall
137 mm
19.2 wet days
Daylight
12 h 06 min
6:26 AM – 6:33 PM
Cloud cover
74%
12th clearest
Wind
7 km/h
11th windiest
Solar energy
5.15 kWh/m²
Travel score
5.0
out of 10

Teotihuacan is municipal seat of Teotihuacán, State of México, 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 21°C through the month.

A typical September day in Teotihuacan reaches about 21°C in the afternoon and slips back to 11°C overnight — a 10°C spread between the day's warmth and the night's chill. On most days the high lands between 19°C and 23°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)
12111
22111
32111
42111
52111
62111
72111
82111
92111
102111
112111
122111
132111
142111
152111
162111
172111
182111
192111
202111
212111
222111
232111
242111
252111
262111
272111
282111
292111
302111

Teotihuacan weather by month

How September compares with the rest of the year at a glance. September is the 8th-warmest and 2nd-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysDaylight (hours)Travel score
Jan20° / 102.510.97.7
Feb22° / 112.611.38.2
Mar24° / 18511.98.1
Apr25° / 10°367.712.47.5
May25° / 11°5611.312.96.9
Jun23° / 12°12716.413.25.7
Jul22° / 11°13319.413.15.1
Aug22° / 11°13720.212.75.0
Sep21° / 11°13719.212.15.0
Oct21° / 6310.611.56.3
Nov21° / 19411.17.6
Dec20° / 71.510.88.0

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 16% of September, with mostly cloudy or overcast conditions the remaining 74%. Skies tend to open up as the month goes on.

0%25%50%75%100%151015202530
Clearer (%)Cloudier (%)
12377
22377
32377
42377
52476
62476
72476
82575
92575
102575
112575
122575
132674
142674
152674
162674
172773
182773
192773
202674
212674
222773
232872
242872
253070
263070
273070
283268
293268
303169

Chance of precipitation in September

Any precipitation

Teotihuacan gets around 137 mm of rain over 19.2 wet days in September. The line is the day-by-day chance of measurable precipitation.

Day to day, the chance of measurable rain averages around 62% and peaks near 69% on the wettest days. The odds ease toward the end of the month.

0%20%40%60%80%151015202530
Rain chance (%)
169
269
369
469
569
668
768
867
967
1066
1166
1265
1364
1464
1563
1663
1762
1862
1961
2061
2160
2260
2359
2458
2556
2655
2754
2853
2952
3051

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 94% of days. It rarely turns muggy — the humid and sticky bands barely register.

0%25%50%75%100%151015202530
Dry (%)Comfortable (%)
1955
2955
3946
4946
5946
6946
7946
8946
9946
10946
11937
12937
13937
14937
15937
16937
17937
18937
19937
20937
21937
22937
23937
24937
25937
26937
27946
28946
29946
30955

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 6:23 AM to 6:30 AM, and sunset from 6:47 PM to 6:20 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202530
Daylight (h)Sunrise (AM)Sunset (PM)
112.46:236:47
212.46:246:46
312.46:246:45
412.36:246:44
512.36:246:43
612.36:246:42
712.36:256:42
812.36:256:41
912.26:256:40
1012.26:256:39
1112.26:256:38
1212.26:266:37
1312.26:266:36
1412.16:266:35
1512.16:266:34
1612.16:266:33
1712.16:276:32
1812.16:276:31
1912.16:276:30
2012.06:276:29
2112.06:276:28
2212.06:286:27
2312.06:286:26
2412.06:286:26
2511.96:286:25
2611.96:296:24
2711.96:296:23
2811.96:296:22
2911.96:296:21
3011.86:306:20

Solar energy in September

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in September, about 5.15 kWh/m².

For context, solar energy here swings from a low near 5.02 kWh/m² to a high of 7.14 kWh/m² in April across the year — September's 5.15 kWh/m² sits near the bottom.

0246151015202530
Solar energy (kWh/m²)Level
15.4Bright
25.4Bright
35.3Bright
45.3Bright
55.3Bright
65.3Bright
75.3Bright
85.3Bright
95.3Bright
105.2Bright
115.2Bright
125.2Bright
135.2Bright
145.2Bright
155.2Bright
165.2Bright
175.2Bright
185.2Bright
195.2Bright
205.2Bright
215.2Bright
225.1Bright
235.1Bright
245.1Bright
255.1Bright
265.1Bright
275.1Bright
285.1Bright
295.1Bright
305.1Bright
Planning a trip in September

Hazard calendar for Teotihuacan

In seasonPeak

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

Teotihuacan's rainy season runs June–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 Teotihuacan?

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

5.0
Sightseeing
11th-best month of the year
3.1
Beach & pool
12th-best month of the year

September is a reasonable time to visit Teotihuacan for sightseeing.

What to pack for Teotihuacan in September

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

In September, Teotihuacan sees daytime highs around 21°C and nights near 11°C. Pack rain gear. Worth having: sun protection. About 19 days see rain.

rain gearsun protection

UV index in Teotihuacan 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 Teotihuacan peaks around June 17 at about 14 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near December 15 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 highJun 17UV 14Dec 15UV 8
UV index (midday)Level
Jan9Very high
Feb11Extreme
Mar14Extreme
Apr14Extreme
May11Extreme
Jun15Extreme
Jul12Extreme
Aug14Extreme
Sep11Extreme
Oct11Extreme
Nov9Very high
Dec8Very high

Air quality in Teotihuacan 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 Teotihuacan is worst in December — around 179 µg/m³ PM2.5 (very unhealthy), and holds fairly steady the rest of the year.

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

0306090120150180210JanFebMarAprMayJunJulAugSepOctNovDecUnhealthyVery unhealthyDec 11178 µg/m³Apr 14115 µg/m³
PM2.5 (µg/m³)Level
Jan149Unhealthy
Feb141Unhealthy
Mar126Unhealthy
Apr113Unhealthy
May134Unhealthy
Jun126Unhealthy
Jul135Unhealthy
Aug127Unhealthy
Sep136Unhealthy
Oct137Unhealthy
Nov174Very unhealthy
Dec179Very unhealthy
Location & terrain

Where is Teotihuacan?

Teotihuacan sits at 19.7°N, 98.9°W, 0 m above sea level, in Mexico. The nearest listed city is Teotihuacán de Arista, 0.0 km away.

Topography around Teotihuacan

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

Within 3 km, the terrain around Teotihuacan has significant variations in elevation — a maximum elevation change of 327 m around an average of 2,303 m above sea level; within 16 km, large variations in elevation — a maximum elevation change of 823 m; within 80 km, extreme variations in elevation — a maximum elevation change of 3,977 m.

The land around Teotihuacan is covered by artificial surfaces (31%), shrubs (28%) and cropland (25%) within 3 km, shrubs (35%) and cropland (31%) within 16 km, and cropland (30%) and trees (29%) within 80 km.

3 km
327 m
16 km
823 m
80 km
3,977 m
treesshrubsgrasslandcroplandartificial surfacesbare terrain
September weather nearby: Teotihuacán de Arista 0.0 km · Tepexpan 11 km · Tecámac de Felipe Villanueva 12 km · Tecámac 12 km · San Martín Azcatepec 12 km · Tezoyuca 12 km · Santa María Ajoloapan 13 km · Chiconcuac 15 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 Teotihuacan (19.6886°, -98.8611°, elevation 0 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).