Tecámac weather in September

In September, Tecámac sees average daytime highs of 24°C and overnight lows near 13°C, with 96 mm of rain across 15.7 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 24°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 Tecámac's 12th-clearest and 10th-windiest month. For the whole year in context, see Tecámac's year-round climate.

Daytime high
24°
8th warmest
Overnight low
13°
8th coldest
Rainfall
96 mm
15.7 wet days
Daylight
12 h 06 min
6:27 AM – 6:34 PM
Cloud cover
74%
12th clearest
Wind
7 km/h
10th windiest
Solar energy
5.17 kWh/m²
Travel score
5.9
out of 10

Tecámac is municipal seat of Tecámac, 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 24°C through the month.

A typical September day in Tecámac reaches about 24°C in the afternoon and slips back to 13°C overnight — a 10°C spread between the day's warmth and the night's chill. On most days the high lands between 21°C and 26°C. Set against its neighbours, September runs about 1°C cooler than August and on par with October.

10°15°20°25°30°151015202530
Avg high (°C)Avg low (°C)
12414
22414
32414
42414
52414
62414
72414
82414
92414
102414
112414
122414
132414
142414
152414
162414
172413
182413
192413
202413
212413
222413
232413
242413
252413
262313
272313
282313
292313
302313

Tecámac 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
Jan22° / 81.810.98.3
Feb24° / 61.311.38.8
Mar26° / 11°72.211.98.3
Apr27° / 13°164.312.47.5
May28° / 13°256.412.97.1
Jun26° / 14°8213.113.26.1
Jul25° / 13°8615.913.15.9
Aug25° / 14°9016.112.75.8
Sep24° / 13°9615.712.15.9
Oct23° / 11°417.911.57.2
Nov23° / 112.511.18.4
Dec22° / 5110.88.6

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 15% of September, with mostly cloudy or overcast conditions the remaining 74%.

0%25%50%75%100%151015202530
Clearer (%)Cloudier (%)
12476
22476
32476
42377
52377
62377
72476
82476
92476
102575
112575
122575
132575
142575
152674
162674
172674
182674
192674
202674
212674
222674
232773
242773
252971
262971
273070
283070
293169
303169

Chance of precipitation in September

Any precipitation

Tecámac gets around 96 mm of rain over 15.7 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 50% and peaks near 56% on the wettest days. The odds ease toward the end of the month.

0%20%40%60%151015202530
Rain chance (%)
156
256
356
456
556
656
756
855
955
1054
1154
1253
1352
1452
1551
1650
1750
1850
1949
2049
2148
2248
2347
2446
2545
2644
2743
2842
2941
3041

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 74% of days. It rarely turns muggy — the humid and sticky bands barely register.

0%25%50%75%100%151015202530
Dry (%)Comfortable (%)
17327
27228
37228
47129
57129
67030
77030
87030
97030
107030
117030
127129
137129
147228
157228
167327
177327
187426
197426
207525
217624
227624
237723
247822
257921
267921
278020
288119
298218
308317

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 6:24 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)
112.46:246:47
212.46:246:47
312.46:246:46
412.36:246:45
512.36:256:44
612.36:256:43
712.36:256:42
812.36:256:41
912.26:256:40
1012.26:266:39
1112.26:266:38
1212.26:266:37
1312.26:266:36
1412.16:266:35
1512.16:276:34
1612.16:276:34
1712.16:276:33
1812.16:276:32
1912.16:276:31
2012.06:286:30
2112.06:286:29
2212.06:286:28
2312.06:286:27
2412.06:296:26
2511.96:296:25
2611.96:296:24
2711.96:296:23
2811.96:296:22
2911.96:306:21
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 5.17 kWh/m².

For context, solar energy here swings from a low near 5 kWh/m² to a high of 7.15 kWh/m² in April across the year — September's 5.17 kWh/m² falls in the middle.

0246151015202530
Solar energy (kWh/m²)Level
15.4Bright
25.4Bright
35.4Bright
45.4Bright
55.3Bright
65.3Bright
75.3Bright
85.3Bright
95.3Bright
105.3Bright
115.3Bright
125.3Bright
135.2Bright
145.2Bright
155.2Bright
165.2Bright
175.2Bright
185.2Bright
195.2Bright
205.2Bright
215.1Bright
225.1Bright
235.1Bright
245.1Bright
255.1Bright
265.1Bright
275.1Bright
285.1Bright
295.0Bright
305.0Bright
Planning a trip in September

Is September a good time to visit Tecámac?

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

5.9
Sightseeing
10th-best month of the year
4.9
Beach & pool
12th-best month of the year

September is a reasonable time to visit Tecámac for sightseeing.

What to pack for Tecámac in September

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

In September, Tecámac sees daytime highs around 24°C and nights near 13°C. Pack rain gear. Worth having: light clothes and sun protection. About 16 days see rain.

rain gearlight clothessun protection

UV index in Tecámac 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 Tecámac 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 Tecámac 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 Tecámac 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 Tecámac?

Tecámac sits at 19.7°N, 99.0°W, 2,279 m above sea level, in Mexico. The nearest listed city is Tecámac de Felipe Villanueva, 0.0 km away.

Topography around Tecámac

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

Within 3 km, the terrain around Tecámac has only modest variations in elevation — a maximum elevation change of 87 m around an average of 2,262 m above sea level; within 16 km, large variations in elevation — a maximum elevation change of 827 m; within 80 km, extreme variations in elevation — a maximum elevation change of 3,877 m.

The land around Tecámac is covered by cropland (39%) and artificial surfaces (33%) within 3 km, cropland (36%) and artificial surfaces (33%) within 16 km, and cropland (29%) and trees (28%) within 80 km.

3 km
87 m
16 km
827 m
80 km
3,877 m
treesshrubsgrasslandcroplandartificial surfacesbare terrain
September weather nearby: Tecámac de Felipe Villanueva 0.0 km · San Martín Azcatepec 3.0 km · Ojo de Agua 6.0 km · Santa María Ajoloapan 6.0 km · Reyes Acozac 7.0 km · Tepexpan 12 km · Teotihuacan 12 km · Teotihuacán de Arista 12 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 Tecámac (19.7129°, -98.969°, elevation 2,279 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).