Comonfort weather in September

In September, Comonfort sees average daytime highs of 26°C and overnight lows near 15°C, with 106 mm of rain across 13.2 wet days and about 12.1 hours of daylight. It is the 7th-warmest and 4th-wettest month of the year here.

Day-to-day highs hold fairly steady near 26°C through the month. The sky is clear or mostly clear about 18% 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 Comonfort's 12th-clearest and 6th-windiest month. For the whole year in context, see Comonfort's year-round climate.

Daytime high
26°
7th warmest
Overnight low
15°
8th coldest
Rainfall
106 mm
13.2 wet days
Daylight
12 h 06 min
6:34 AM – 6:41 PM
Cloud cover
67%
12th clearest
Wind
9 km/h
6th windiest
Solar energy
5.46 kWh/m²
Travel score
6.0
out of 10

Comonfort is municipal seat of Comonfort, State of Guanajuato, 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 26°C through the month.

A typical September day in Comonfort reaches about 26°C in the afternoon and slips back to 15°C overnight — a 11°C spread between the day's warmth and the night's chill. On most days the high lands between 23°C and 29°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)
12615
22615
32615
42615
52615
62615
72615
82615
92615
102615
112615
122615
132615
142615
152615
162615
172615
182615
192615
202615
212615
222615
232615
242615
252614
262614
272614
282614
292614
302614

Comonfort weather by month

How September compares with the rest of the year at a glance. September is the 7th-warmest and 4th-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysDaylight (hours)Travel score
Jan23° / 112.110.98.5
Feb26° / 121.811.38.5
Mar28° / 11°11211.97.7
Apr30° / 13°143.112.55.9
May31° / 15°467.3135.1
Jun29° / 16°11512.913.25.2
Jul27° / 15°12215.813.15.6
Aug27° / 15°10913.812.75.9
Sep26° / 15°10613.212.16.0
Oct26° / 13°386.411.57.3
Nov25° / 10°122.2118.5
Dec24° / 40.910.88.8

Cloud cover in September

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 18% of the time in September, the cloudiest month of the year.

Beyond those clear spells, partly cloudy skies cover about 20% of September, with mostly cloudy or overcast conditions the remaining 62%.

0%25%50%75%100%151015202530
Clearer (%)Cloudier (%)
13763
23763
33664
43664
53763
63763
73664
83664
93664
103664
113763
123763
133763
143862
153862
163763
173862
183862
193862
203862
213862
223961
233961
244060
254060
264159
274159
284357
294357
304357

Chance of precipitation in September

Any precipitation

Comonfort gets around 106 mm of rain over 13.2 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 43% and peaks near 51% on the wettest days. The odds ease toward the end of the month.

0%20%40%60%151015202530
Rain chance (%)
149
250
350
450
550
651
751
851
951
1051
1150
1250
1349
1448
1547
1646
1745
1844
1942
2041
2139
2238
2336
2434
2533
2632
2731
2830
2929
3028

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 49% of days. It rarely turns muggy — the humid and sticky bands barely register.

0%25%50%75%100%151015202530
Dry (%)Comfortable (%)Humid (%)
1315613
2315613
3315613
4315514
5315514
6315514
7315415
8315415
9315415
10325216
11325216
12335116
13335116
14345016
15355015
16355015
17364915
18374914
19384913
20394813
21404712
22424612
23444511
24464410
25474310
2649429
2751418
2852408
2954397
3055387

Wind in September

Winds average 9 km/h in September.

Across September, daily wind ranges from about 8 km/h on the calmest days to 9 km/h at its breeziest. It stays fairly steady from day to day.

051015151015202530
Wind speed (km/h)Feels
18calm
28calm
38calm
48calm
58calm
68calm
78calm
88calm
98calm
108calm
118calm
128calm
138calm
148calm
158calm
169calm
179calm
189calm
199calm
209calm
219calm
229calm
239calm
249calm
259calm
269calm
279calm
289calm
299calm
309calm

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 6:30 AM to 6:37 AM, and sunset from 6:55 PM to 6:27 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202530
Daylight (h)Sunrise (AM)Sunset (PM)
112.46:306:55
212.46:316:54
312.46:316:53
412.46:316:52
512.36:316:52
612.36:316:51
712.36:326:50
812.36:326:49
912.36:326:48
1012.26:326:47
1112.26:336:46
1212.26:336:45
1312.26:336:44
1412.26:336:43
1512.16:346:42
1612.16:346:41
1712.16:346:40
1812.16:346:39
1912.16:356:38
2012.06:356:37
2112.06:356:36
2212.06:356:35
2312.06:366:34
2412.06:366:33
2511.96:366:32
2611.96:366:31
2711.96:376:30
2811.96:376:29
2911.96:376:28
3011.86:376:27

Solar energy in September

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in September, about 5.46 kWh/m².

For context, solar energy here swings from a low near 4.8 kWh/m² to a high of 7.47 kWh/m² in April across the year — September's 5.46 kWh/m² falls in the middle.

0246151015202530
Solar energy (kWh/m²)Level
15.8Bright
25.7Bright
35.7Bright
45.7Bright
55.7Bright
65.6Bright
75.6Bright
85.6Bright
95.6Bright
105.6Bright
115.5Bright
125.5Bright
135.5Bright
145.5Bright
155.5Bright
165.5Bright
175.5Bright
185.5Bright
195.4Bright
205.4Bright
215.4Bright
225.4Bright
235.4Bright
245.4Bright
255.4Bright
265.4Bright
275.3Bright
285.3Bright
295.3Bright
305.3Bright
Planning a trip in September

Hazard calendar for Comonfort

In seasonPeak

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

Comonfort's rainy season runs June–September, 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 Comonfort?

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

6.0
Sightseeing
7th-best month of the year
5.8
Beach & pool
11th-best month of the year

September is a reasonable time to visit Comonfort for sightseeing.

What to pack for Comonfort in September

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

In September, Comonfort sees daytime highs around 26°C and nights near 15°C. Worth packing: light clothes, rain gear and sun protection. About 13 days see rain.

light clothesrain gearsun protection

UV index in Comonfort 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 Comonfort peaks around June 13 at about 14 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near December 15 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 highJun 13UV 14Dec 15UV 7
UV index (midday)Level
Jan8Very high
Feb10Extreme
Mar13Extreme
Apr13Extreme
May13Extreme
Jun14Extreme
Jul12Extreme
Aug13Extreme
Sep11Extreme
Oct11Extreme
Nov8Very high
Dec7Very high

Air quality in Comonfort 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 Comonfort is worst in May — around 18 µg/m³ PM2.5 (moderate), and holds fairly steady the rest of the year.

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

01020JanFebMarAprMayJunJulAugSepOctNovDecModerateModerateMay 1617 µg/m³Oct 1612 µg/m³
PM2.5 (µg/m³)Level
Jan15Moderate
Feb14Moderate
Mar14Moderate
Apr15Moderate
May18Moderate
Jun14Moderate
Jul15Moderate
Aug13Moderate
Sep13Moderate
Oct12Good
Nov13Moderate
Dec15Moderate
Location & terrain

Where is Comonfort?

Comonfort sits at 20.7°N, 100.8°W, 1,794 m above sea level, in Mexico. The nearest listed city is Apaseo el Grande, 21 km away.

Topography around Comonfort

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

Within 3 km, the terrain around Comonfort has significant variations in elevation — a maximum elevation change of 295 m around an average of 1,814 m above sea level; within 16 km, large variations in elevation — a maximum elevation change of 1,044 m; within 80 km, very significant variations in elevation — a maximum elevation change of 1,714 m.

The land around Comonfort is covered by cropland (42%) within 3 km, shrubs (50%) and cropland (22%) within 16 km, and shrubs (38%) and cropland (32%) within 80 km.

3 km
295 m
16 km
1,044 m
80 km
1,714 m
treesshrubsgrasslandcroplandartificial surfaceswater
September weather nearby: Apaseo el Grande 21 km · San Miguel de Allende 22 km · Celaya 23 km · Juventino Rosas 26 km · Santa Rosa Jáuregui 33 km · Apaseo el Alto 33 km · Villagrán 34 km · Cortazar 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 Comonfort (20.7201°, -100.7612°, elevation 1,794 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).