Zacualtipán weather in September

In September, Zacualtipán sees average daytime highs of 24°C and overnight lows near 16°C, with 264 mm of rain across 23.9 wet days and about 12.1 hours of daylight. It is the 6th-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 8% of the time in September, and the air most often feels humid.

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

Daytime high
24°
6th warmest
Overnight low
16°
9th coldest
Rainfall
264 mm
23.9 wet days
Daylight
12 h 06 min
6:25 AM – 6:32 PM
Cloud cover
78%
12th clearest
Wind
4 km/h
12th windiest
Solar energy
4.59 kWh/m²
Travel score
4.5
out of 10

Zacualtipán is human settlement in 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 Zacualtipán reaches about 24°C in the afternoon and slips back to 16°C overnight — a 8°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 about 1°C warmer than October.

10°15°20°25°30°151015202530
Avg high (°C)Avg low (°C)
12416
22416
32416
42416
52416
62416
72416
82416
92416
102416
112416
122416
132416
142416
152416
162416
172416
182416
192416
202416
212416
222316
232316
242316
252316
262315
272315
282315
292315
302315

Zacualtipán weather by month

How September compares with the rest of the year at a glance. September is the 6th-warmest and 1st-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysDaylight (hours)Travel score
Jan19° / 39810.96.4
Feb21° / 10°387.911.36.8
Mar23° / 12°491011.96.9
Apr25° / 14°7712.312.56.4
May26° / 16°10317135.6
Jun25° / 17°1852213.24.8
Jul24° / 16°17425.213.14.5
Aug24° / 16°17224.412.74.6
Sep24° / 16°26423.912.14.5
Oct23° / 14°19316.711.55.6
Nov21° / 11°8010.9116.2
Dec19° / 317.810.86.4

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 77%.

0%25%50%75%100%151015202530
Clearer (%)Cloudier (%)
12575
22575
32476
42476
52476
62377
72278
82278
92278
102377
112278
122278
132278
142278
152476
162476
172377
182377
192377
202377
212377
222377
232377
242476
252476
262476
272476
282476
292476
302377

Chance of precipitation in September

Any precipitation

Zacualtipán gets around 264 mm of rain over 23.9 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 79% and peaks near 84% on the wettest days. The odds ease toward the end of the month.

0%20%40%60%80%151015202530
Rain chance (%)
184
284
384
484
584
684
784
884
984
1083
1183
1282
1382
1482
1581
1681
1780
1879
1978
2078
2176
2275
2374
2473
2572
2670
2769
2868
2967
3067

Humidity in September

DryComfortableHumidMuggyOppressiveMiserable

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

By dew point, September lands in the humid band about 77% of days. Sticky, muggy-or-worse air turns up on roughly 8% of them.

0%25%50%75%100%151015202530
Dry (%)Comfortable (%)Humid (%)Muggy (%)
106877
206877
316867
416867
516867
617848
717848
817848
917848
1018829
1118829
1219819
1319819
14110809
15110809
16111799
17112789
18112789
19213769
20214759
21315739
22316738
23417718
24518698
25619678
26720667
27720667
28821647
29922627
30922636

Wind in September

Winds average 4 km/h in September, the calmest month.

Across September, daily wind ranges from about 4 km/h on the calmest days to 4 km/h at its breeziest. It stays fairly steady from day to day.

0246810151015202530
Wind speed (km/h)Feels
14calm
24calm
34calm
44calm
54calm
64calm
74calm
84calm
94calm
104calm
114calm
124calm
134calm
144calm
154calm
164calm
174calm
184calm
194calm
204calm
214calm
224calm
234calm
244calm
254calm
264calm
274calm
284calm
294calm
304calm

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 6:29 AM, and sunset from 6:47 PM to 6:19 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202530
Daylight (h)Sunrise (AM)Sunset (PM)
112.46:226:47
212.46:226:46
312.46:226:45
412.46:236:44
512.36:236:43
612.36:236:42
712.36:236:41
812.36:246:40
912.36:246:39
1012.26:246:38
1112.26:246:37
1212.26:256:36
1312.26:256:35
1412.26:256:34
1512.16:256:33
1612.16:256:32
1712.16:266:31
1812.16:266:30
1912.16:266:30
2012.06:266:29
2112.06:276:28
2212.06:276:27
2312.06:276:26
2412.06:276:25
2511.96:286:24
2611.96:286:23
2711.96:286:22
2811.96:286:21
2911.96:296:20
3011.86:296:19

Solar energy in September

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in September, about 4.59 kWh/m².

For context, solar energy here swings from a low near 3.83 kWh/m² to a high of 6.23 kWh/m² in May across the year — September's 4.59 kWh/m² falls in the middle.

0246151015202530
Solar energy (kWh/m²)Level
15.0Bright
25.0Bright
35.0Bright
44.9Bright
54.9Bright
64.9Bright
74.8Bright
84.8Bright
94.8Bright
104.8Bright
114.7Bright
124.7Bright
134.7Bright
144.7Bright
154.6Bright
164.6Bright
174.6Bright
184.6Bright
194.5Bright
204.5Bright
214.5Bright
224.5Bright
234.5Bright
244.5Bright
254.4Bright
264.4Bright
274.4Bright
284.4Bright
294.4Bright
304.3Bright
Planning a trip in September

Hazard calendar for Zacualtipán

In seasonPeak

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

Zacualtipán'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 Zacualtipán?

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

4.5
Sightseeing
11th-best month of the year
3.8
Beach & pool
9th-best month of the year

September is a reasonable time to visit Zacualtipán for sightseeing.

What to pack for Zacualtipán in September

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

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

rain gearlight clothessun protection

UV index in Zacualtipán in September

LowModerateHighVery highExtreme

Clear-sky midday UV in September peaks around 9 (very high — sun protection essential). The full-year curve, shaded by WHO exposure level, is below.

Under clear skies, the midday UV index in Zacualtipán peaks around June 18 at about 13 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near December 17 at about 7 (very high).

The index reaches 3 or more — the level where the WHO recommends sun protection — every month of the year.

025710JanFebMarAprMayJunJulAugSepOctNovDecVery highExtremeVery highVery highJun 18UV 13Dec 17UV 7
UV index (midday)Level
Jan8Very high
Feb10Very high
Mar12Extreme
Apr13Extreme
May11Extreme
Jun13Extreme
Jul12Extreme
Aug13Extreme
Sep9Very high
Oct10Extreme
Nov8Very high
Dec7High

Air quality in Zacualtipán 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 Zacualtipán is worst in April — around 36 µg/m³ PM2.5 (poor), about 1.7× the cleanest month (September, 21 µg/m³).

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

010203040JanFebMarAprMayJunJulAugSepOctNovDecModeratePoorModerateApr 2136 µg/m³Sep 1721 µg/m³
PM2.5 (µg/m³)Level
Jan33Moderate
Feb33Moderate
Mar33Moderate
Apr36Poor
May36Poor
Jun27Moderate
Jul25Moderate
Aug23Moderate
Sep21Moderate
Oct22Moderate
Nov27Moderate
Dec34Moderate
Location & terrain

Where is Zacualtipán?

Zacualtipán sits at 20.6°N, 98.7°W, 1,990 m above sea level, in Mexico. The nearest listed city is Actopan, 52 km away.

Topography around Zacualtipán

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

Within 3 km, the terrain around Zacualtipán has large variations in elevation — a maximum elevation change of 608 m around an average of 1,967 m above sea level; within 16 km, very significant variations in elevation — a maximum elevation change of 2,019 m; within 80 km, extreme variations in elevation — a maximum elevation change of 3,139 m.

The land around Zacualtipán is covered by trees (75%) within 3 km, trees (59%) and shrubs (27%) within 16 km, and trees (57%) and shrubs (23%) within 80 km.

3 km
608 m
16 km
2,019 m
80 km
3,139 m
treesshrubsgrasslandcroplandartificial surfaces
September weather nearby: Actopan 52 km · Huejutla de Reyes 60 km · Pachuca de Soto 60 km · Ixmiquilpan 61 km · La Providencia Siglo XXI 65 km · Tamazunchale 69 km · Tulancingo 70 km · Progreso de Alvaro Obregon 71 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 Zacualtipán (20.65°, -98.6563°, elevation 1,990 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).