Tecamachalco weather in September

In September, Tecamachalco sees average daytime highs of 22°C and overnight lows near 12°C, with 168 mm of rain across 17.8 wet days and about 12.1 hours of daylight. It is the 7th-warmest and 2nd-wettest month of the year here.

Day-to-day highs hold fairly steady near 22°C through the month. The sky is clear or mostly clear about 9% 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 Tecamachalco's 12th-clearest and 9th-windiest month. For the whole year in context, see Tecamachalco's year-round climate.

Daytime high
22°
7th warmest
Overnight low
12°
11th coldest
Rainfall
168 mm
17.8 wet days
Daylight
12 h 06 min
6:22 AM – 6:28 PM
Cloud cover
76%
12th clearest
Wind
6 km/h
9th windiest
Solar energy
5.41 kWh/m²
Travel score
5.3
out of 10

Tecamachalco is municipal seat of Tecamachalco, State of Puebla, 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 22°C through the month.

A typical September day in Tecamachalco reaches about 22°C in the afternoon and slips back to 12°C overnight — a 10°C spread between the day's warmth and the night's chill. On most days the high lands between 20°C and 25°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)
12312
22312
32312
42312
52312
62312
72312
82212
92212
102212
112212
122212
132212
142212
152212
162212
172212
182212
192212
202212
212212
222212
232212
242212
252212
262212
272212
282212
292212
302212

Tecamachalco weather by month

How September compares with the rest of the year at a glance. September is the 7th-warmest and 2nd-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysDaylight (hours)Travel score
Jan21° / 102.1118.1
Feb22° / 91.911.48.5
Mar24° / 235.211.98.3
Apr25° / 11°5110.112.47.1
May24° / 12°10717.612.95.9
Jun23° / 12°18118.613.15.4
Jul23° / 11°11915.5135.9
Aug23° / 11°1381712.65.7
Sep22° / 12°16817.812.15.3
Oct22° / 11°741111.66.6
Nov22° / 21411.17.9
Dec21° / 61.310.98.4

Cloud cover in September

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 9% of the time in September, the cloudiest month of the year.

Beyond those clear spells, partly cloudy skies cover about 17% of September, with mostly cloudy or overcast conditions the remaining 74%.

0%25%50%75%100%151015202530
Clearer (%)Cloudier (%)
12476
22476
32377
42377
52377
62377
72377
82377
92575
102575
112476
122575
132674
142674
152674
162674
172674
182674
192674
202674
212674
222674
232773
242773
252872
262872
272971
283070
293070
303268

Chance of precipitation in September

Any precipitation

Tecamachalco gets around 168 mm of rain over 17.8 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 59% and peaks near 63% on the wettest days. The odds ease toward the end of the month.

0%20%40%60%151015202530
Rain chance (%)
162
262
363
463
563
663
763
863
963
1063
1162
1262
1361
1460
1560
1659
1759
1858
1958
2057
2157
2256
2355
2454
2553
2652
2752
2851
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 77% of days. It rarely turns muggy — the humid and sticky bands barely register.

0%25%50%75%100%151015202530
Dry (%)Comfortable (%)
17624
27624
37525
47525
57525
67525
77525
87525
97525
107525
117525
127624
137624
147723
157723
167723
177723
187822
197822
207822
217822
227921
237921
247921
258020
268020
278119
288119
298119
308119

Wind in September

Winds average 6 km/h in September.

Across September, daily wind ranges from about 6 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
16calm
26calm
36calm
46calm
56calm
66calm
76calm
86calm
96calm
106calm
116calm
126calm
136calm
146calm
156calm
166calm
176calm
186calm
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 6:19 AM to 6:25 AM, and sunset from 6:42 PM to 6:16 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202530
Daylight (h)Sunrise (AM)Sunset (PM)
112.46:196:42
212.46:206:41
312.36:206:40
412.36:206:39
512.36:206:38
612.36:206:38
712.36:206:37
812.36:216:36
912.26:216:35
1012.26:216:34
1112.26:216:33
1212.26:216:32
1312.26:226:31
1412.16:226:30
1512.16:226:29
1612.16:226:28
1712.16:226:28
1812.16:226:27
1912.16:236:26
2012.06:236:25
2112.06:236:24
2212.06:236:23
2312.06:236:22
2412.06:246:21
2511.96:246:20
2611.96:246:19
2711.96:246:18
2811.96:246:17
2911.96:256:17
3011.86:256:16

Solar energy in September

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in September, about 5.41 kWh/m².

For context, solar energy here swings from a low near 5.03 kWh/m² to a high of 7.09 kWh/m² in April across the year — September's 5.41 kWh/m² falls in the middle.

0246151015202530
Solar energy (kWh/m²)Level
15.8Bright
25.7Bright
35.7Bright
45.7Bright
55.6Bright
65.6Bright
75.6Bright
85.6Bright
95.5Bright
105.5Bright
115.5Bright
125.5Bright
135.5Bright
145.5Bright
155.5Bright
165.5Bright
175.4Bright
185.4Bright
195.4Bright
205.4Bright
215.4Bright
225.3Bright
235.3Bright
245.3Bright
255.3Bright
265.3Bright
275.3Bright
285.3Bright
295.3Bright
305.3Bright
Planning a trip in September

Hazard calendar for Tecamachalco

In seasonPeak

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

Tecamachalco's monsoon runs May–September, when most of the year's rain falls.

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

Is September a good time to visit Tecamachalco?

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

5.3
Sightseeing
12th-best month of the year
3.9
Beach & pool
12th-best month of the year

September is a reasonable time to visit Tecamachalco for sightseeing.

What to pack for Tecamachalco in September

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

In September, Tecamachalco sees daytime highs around 22°C and nights near 12°C. Pack rain gear. Worth having: light clothes and sun protection. About 18 days see rain.

rain gearlight clothessun protection

UV index in Tecamachalco in September

LowModerateHighVery highExtreme

Clear-sky midday UV in September peaks around 13 (very high — sun protection essential). The full-year curve, shaded by WHO exposure level, is below.

Under clear skies, the midday UV index in Tecamachalco peaks around April 11 at about 15 (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.

025710JanFebMarAprMayJunJulAugSepOctNovDecExtremeExtremeVery highApr 11UV 15Dec 15UV 8
UV index (midday)Level
Jan9Very high
Feb12Extreme
Mar14Extreme
Apr15Extreme
May9Very high
Jun14Extreme
Jul13Extreme
Aug14Extreme
Sep13Extreme
Oct12Extreme
Nov9Very high
Dec8Very high

Air quality in Tecamachalco 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 Tecamachalco is worst in May — around 38 µg/m³ PM2.5 (poor), about 1.9× the cleanest month (January, 20 µg/m³).

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

010203040JanFebMarAprMayJunJulAugSepOctNovDecModerateModerateMay 1737 µg/m³Jan 2220 µg/m³
PM2.5 (µg/m³)Level
Jan20Moderate
Feb20Moderate
Mar23Moderate
Apr29Moderate
May38Poor
Jun30Moderate
Jul25Moderate
Aug22Moderate
Sep25Moderate
Oct22Moderate
Nov22Moderate
Dec23Moderate
Location & terrain

Where is Tecamachalco?

Tecamachalco sits at 18.9°N, 97.7°W, 2,020 m above sea level, in Mexico. The nearest listed city is Palmarito Tochapan, 10 km away.

Topography around Tecamachalco

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

Within 3 km, the terrain around Tecamachalco has significant variations in elevation — a maximum elevation change of 359 m around an average of 2,058 m above sea level; within 16 km, large variations in elevation — a maximum elevation change of 862 m; within 80 km, extreme variations in elevation — a maximum elevation change of 4,841 m.

The land around Tecamachalco is covered by artificial surfaces (30%), shrubs (29%) and cropland (22%) within 3 km, cropland (39%) and shrubs (25%) within 16 km, and shrubs (35%), trees (22%) and cropland (22%) within 80 km.

3 km
359 m
16 km
862 m
80 km
4,841 m
treesshrubsgrasslandcroplandartificial surfacesbare terrain
September weather nearby: Palmarito Tochapan 10 km · Los Reyes de Juárez 10 km · Acatzingo 12 km · Tepeaca 20 km · San Salvador El Seco 29 km · Ciudad Serdán 32 km · Tepatlaxco de Hidalgo 33 km · Acajete 34 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 Tecamachalco (18.8835°, -97.7334°, elevation 2,020 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).