Actopan weather in September

In September, Actopan sees average daytime highs of 23°C and overnight lows near 13°C, with 126 mm of rain across 17.2 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 23°C through the month. The sky is clear or mostly clear about 12% of the time in September, and the air most often feels comfortable.

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 Actopan's 12th-clearest and 9th-windiest month. For the whole year in context, see Actopan's year-round climate.

Daytime high
23°
8th warmest
Overnight low
13°
9th coldest
Rainfall
126 mm
17.2 wet days
Daylight
12 h 06 min
6:27 AM – 6:34 PM
Cloud cover
73%
12th clearest
Wind
7 km/h
9th windiest
Solar energy
5.02 kWh/m²
Travel score
5.5
out of 10

Actopan is city in the Mexican state of Hidalgo.

Density
3,041/km²
people per km²
Founded
1546

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 23°C through the month.

A typical September day in Actopan reaches about 23°C in the afternoon and slips back to 13°C overnight — a 9°C spread between the day's warmth and the night's chill. On most days the high lands between 20°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)
12314
22314
32314
42314
52314
62314
72314
82314
92314
102314
112314
122314
132314
142314
152314
162314
172314
182313
192313
202313
212313
222313
232313
242313
252213
262213
272213
282213
292213
302213

Actopan 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
Jan21° / 122.710.97.9
Feb23° / 112.411.38.4
Mar25° / 10°153.811.98.1
Apr27° / 12°255.812.57.3
May27° / 13°399.312.96.8
Jun25° / 14°10615.113.25.9
Jul24° / 14°11519.413.15.4
Aug24° / 14°10717.812.75.6
Sep23° / 13°12617.212.15.5
Oct22° / 11°6210.311.56.6
Nov22° / 183.8117.8
Dec21° / 61.210.88.2

Cloud cover in September

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 12% of the time in September, the cloudiest month of the year.

Beyond those clear spells, partly cloudy skies cover about 18% of September, with mostly cloudy or overcast conditions the remaining 70%.

0%25%50%75%100%151015202530
Clearer (%)Cloudier (%)
12872
22872
32971
42971
52971
62872
72872
82971
92971
103070
113070
123169
133169
143169
153169
163070
173070
183070
193070
203070
213070
223070
233070
243070
253169
263169
273268
283268
293268
303268

Chance of precipitation in September

Any precipitation

Actopan gets around 126 mm of rain over 17.2 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 56% and peaks near 61% on the wettest days. The odds ease toward the end of the month.

0%20%40%60%151015202530
Rain chance (%)
159
260
360
461
561
661
761
861
961
1061
1161
1260
1360
1459
1558
1658
1757
1856
1956
2055
2154
2253
2351
2450
2549
2648
2747
2846
2945
3045

Humidity in September

DryComfortableHumidMuggyOppressiveMiserable

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

By dew point, September lands in the comfortable band about 68% of days. It rarely turns muggy — the humid and sticky bands barely register.

0%25%50%75%100%151015202530
Dry (%)Comfortable (%)Humid (%)
127721
227721
327721
427721
527712
627712
727712
827712
927712
1027703
1126713
1226713
1326713
1426713
1526713
1626713
1726713
1827703
1927712
2028702
2130682
2231672
2333652
2435632
2537612
2639592
2740582
2842562
2943552
3045532

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 6:48 PM to 6:20 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202530
Daylight (h)Sunrise (AM)Sunset (PM)
112.46:236:48
212.46:246:47
312.46:246:46
412.36:246:45
512.36:246:44
612.36:246:43
712.36:256:42
812.36:256:41
912.36:256:40
1012.26:256:39
1112.26:266:38
1212.26:266:37
1312.26:266:36
1412.26:266:35
1512.16:266:34
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
2412.06:286:26
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 5.02 kWh/m².

For context, solar energy here swings from a low near 4.67 kWh/m² to a high of 7.03 kWh/m² in April across the year — September's 5.02 kWh/m² falls in the middle.

0246151015202530
Solar energy (kWh/m²)Level
15.4Bright
25.3Bright
35.3Bright
45.3Bright
55.3Bright
65.2Bright
75.2Bright
85.2Bright
95.2Bright
105.2Bright
115.1Bright
125.1Bright
135.1Bright
145.1Bright
155.1Bright
165.0Bright
175.0Bright
185.0Bright
195.0Bright
205.0Bright
215.0Bright
224.9Bright
234.9Bright
244.9Bright
254.9Bright
264.9Bright
274.9Bright
284.8Bright
294.8Bright
304.8Bright
Planning a trip in September

Hazard calendar for Actopan

In seasonPeak

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

Actopan'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 Actopan?

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

5.5
Sightseeing
11th-best month of the year
4.3
Beach & pool
12th-best month of the year

September is a reasonable time to visit Actopan for sightseeing.

What to pack for Actopan in September

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

In September, Actopan sees daytime highs around 23°C and nights near 13°C. Pack rain gear. Worth having: light clothes and sun protection. About 17 days see rain.

rain gearlight clothessun protection

UV index in Actopan 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 Actopan peaks around June 17 at about 14 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near December 16 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 16UV 8
UV index (midday)Level
Jan8Very high
Feb11Extreme
Mar13Extreme
Apr13Extreme
May12Extreme
Jun14Extreme
Jul12Extreme
Aug14Extreme
Sep9Very high
Oct11Extreme
Nov8Very high
Dec7Very high

Air quality in Actopan 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 Actopan is worst in December — around 77 µg/m³ PM2.5 (unhealthy), about 1.9× the cleanest month (September, 41 µg/m³).

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

020406080JanFebMarAprMayJunJulAugSepOctNovDecUnhealthyPoorUnhealthyDec 2176 µg/m³Sep 1942 µg/m³
PM2.5 (µg/m³)Level
Jan73Unhealthy
Feb70Unhealthy
Mar65Unhealthy
Apr61Unhealthy
May57Unhealthy
Jun45Poor
Jul54Poor
Aug46Poor
Sep41Poor
Oct43Poor
Nov59Unhealthy
Dec77Unhealthy
Location & terrain

Where is Actopan?

Actopan sits at 20.3°N, 98.9°W, 2,008 m above sea level, in Mexico. The nearest listed city is Progreso de Alvaro Obregon, 26 km away.

Topography around Actopan

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

Within 3 km, the terrain around Actopan has only modest variations in elevation — a maximum elevation change of 141 m around an average of 2,002 m above sea level; within 16 km, very significant variations in elevation — a maximum elevation change of 1,407 m; within 80 km, extreme variations in elevation — a maximum elevation change of 2,885 m.

The land around Actopan is covered by artificial surfaces (35%), shrubs (26%) and cropland (21%) within 3 km, shrubs (56%) within 16 km, and shrubs (37%), trees (28%) and cropland (20%) within 80 km.

3 km
141 m
16 km
1,407 m
80 km
2,885 m
treesshrubsgrasslandcroplandartificial surfacesbare terrain
September weather nearby: Progreso de Alvaro Obregon 26 km · Pachuca de Soto 28 km · Mixquiahuala de Juarez 29 km · La Providencia Siglo XXI 33 km · Ixmiquilpan 37 km · Don Antonio 44 km · Tequixquiac 45 km · Tizayuca 48 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 Actopan (20.2696°, -98.9438°, elevation 2,008 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).