Huamantla weather in September

In September, Huamantla sees average daytime highs of 21°C and overnight lows near 11°C, with 178 mm of rain across 19.8 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 21°C through the month. The sky is clear or mostly clear about 8% 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 Huamantla's 12th-clearest and 8th-windiest month. For the whole year in context, see Huamantla's year-round climate.

Daytime high
21°
7th warmest
Overnight low
11°
11th coldest
Rainfall
178 mm
19.8 wet days
Daylight
12 h 06 min
6:23 AM – 6:29 PM
Cloud cover
76%
12th clearest
Wind
6 km/h
8th windiest
Solar energy
5.31 kWh/m²
Travel score
4.9
out of 10

Huamantla is municipal seat of Huamantla, State of Tlaxcala, Mexico.

Founded
1534

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 Huamantla 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 24°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)
12211
22211
32211
42211
52211
62211
72111
82111
92111
102111
112111
122111
132111
142111
152111
162111
172111
182111
192111
202111
212111
222111
232111
242111
252111
262111
272111
282111
292111
302111

Huamantla 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
Jan20° / 163.1117.6
Feb21° / 153.111.38.0
Mar23° / 39811.97.6
Apr24° / 6711.912.46.8
May24° / 11°11817.412.96.0
Jun23° / 11°18818.913.15.2
Jul22° / 11°15619.3135.2
Aug22° / 11°16920.312.75.0
Sep21° / 11°17819.812.14.9
Oct21° / 8811.811.66.2
Nov21° / 305.711.17.3
Dec20° / 112.510.97.8

Cloud cover in September

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 8% 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 76%.

0%25%50%75%100%151015202530
Clearer (%)Cloudier (%)
12377
22377
32278
42179
52080
62179
72179
82179
92179
102179
112278
122278
132278
142377
152377
162377
172377
182476
192476
202476
212476
222476
232575
242575
252575
262773
272773
282773
292773
302971

Chance of precipitation in September

Any precipitation

Huamantla gets around 178 mm of rain over 19.8 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 65% and peaks near 72% on the wettest days. The odds ease toward the end of the month.

0%20%40%60%80%151015202530
Rain chance (%)
170
270
371
471
571
672
772
872
972
1071
1171
1270
1370
1469
1568
1667
1766
1865
1964
2062
2161
2260
2358
2457
2556
2655
2754
2853
2952
3052

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 87% of days. It rarely turns muggy — the humid and sticky bands barely register.

0%25%50%75%100%151015202530
Dry (%)Comfortable (%)
18614
28614
38614
48515
58515
68515
78515
88416
98416
108416
118515
128515
138515
148515
158515
168614
178614
188614
198614
208713
218713
228713
238812
248812
258911
268911
279010
289010
299010
30919

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
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 6:20 AM to 6:26 AM, and sunset from 6:43 PM to 6:16 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202530
Daylight (h)Sunrise (AM)Sunset (PM)
112.46:206:43
212.46:206:42
312.36:206:41
412.36:206:40
512.36:216:39
612.36:216:39
712.36:216:38
812.36:216:37
912.26:216:36
1012.26:226:35
1112.26:226:34
1212.26:226:33
1312.26:226:32
1412.16:226:31
1512.16:236:30
1612.16:236:29
1712.16:236:28
1812.16:236:27
1912.16:236:26
2012.06:246:26
2112.06:246:25
2212.06:246:24
2312.06:246:23
2412.06:246:22
2511.96:256:21
2611.96:256:20
2711.96:256:19
2811.96:256:18
2911.96:256:17
3011.86:266:16

Solar energy in September

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in September, about 5.31 kWh/m².

For context, solar energy here swings from a low near 5.04 kWh/m² to a high of 6.98 kWh/m² in April across the year — September's 5.31 kWh/m² falls in the middle.

0246151015202530
Solar energy (kWh/m²)Level
15.6Bright
25.6Bright
35.5Bright
45.5Bright
55.5Bright
65.5Bright
75.5Bright
85.4Bright
95.4Bright
105.4Bright
115.4Bright
125.4Bright
135.4Bright
145.4Bright
155.4Bright
165.3Bright
175.3Bright
185.3Bright
195.3Bright
205.3Bright
215.3Bright
225.3Bright
235.3Bright
245.3Bright
255.3Bright
265.2Bright
275.2Bright
285.2Bright
295.2Bright
305.2Bright
Planning a trip in September

Hazard calendar for Huamantla

In seasonPeak

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

Huamantla's monsoon runs May–October, 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 Huamantla?

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

4.9
Sightseeing
12th-best month of the year
3.2
Beach & pool
12th-best month of the year

September is a reasonable time to visit Huamantla for sightseeing.

What to pack for Huamantla in September

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

In September, Huamantla sees daytime highs around 21°C and nights near 11°C. Pack rain gear. Worth having: sun protection. About 20 days see rain.

rain gearsun protection

UV index in Huamantla 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 Huamantla 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.

025710JanFebMarAprMayJunJulAugSepOctNovDecExtremeVery highApr 11UV 15Dec 15UV 8
UV index (midday)Level
Jan9Very high
Feb12Extreme
Mar14Extreme
Apr15Extreme
May10Extreme
Jun14Extreme
Jul13Extreme
Aug14Extreme
Sep13Extreme
Oct11Extreme
Nov9Very high
Dec8Very high

Air quality in Huamantla 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 Huamantla 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 Huamantla?

Huamantla sits at 19.3°N, 97.9°W, 2,519 m above sea level, in Mexico. The nearest listed city is Acajete, 23 km away.

Topography around Huamantla

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

Within 3 km, the terrain around Huamantla has only modest variations in elevation — a maximum elevation change of 204 m around an average of 2,515 m above sea level; within 16 km, very significant variations in elevation — a maximum elevation change of 2,038 m; within 80 km, extreme variations in elevation — a maximum elevation change of 5,006 m.

The land around Huamantla is covered by cropland (44%), artificial surfaces (30%) and grassland (24%) within 3 km, cropland (57%) within 16 km, and cropland (32%) and trees (29%) within 80 km.

3 km
204 m
16 km
2,038 m
80 km
5,006 m
treesshrubsgrasslandcroplandartificial surfacesbare terrain
September weather nearby: Acajete 23 km · Tetla 23 km · Contla 25 km · Apizaco 25 km · Tepatlaxco de Hidalgo 26 km · Santa Ana Chiautempan 28 km · La Magdalena Tlaltelulco 29 km · Teolocholco 29 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 Huamantla (19.3145°, -97.9252°, elevation 2,519 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).