San José Iturbide weather in September

In September, San José Iturbide sees average daytime highs of 24°C and overnight lows near 14°C, with 120 mm of rain across 13.7 wet days and about 12.1 hours of daylight. It is the 7th-warmest and 3rd-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 20% 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 San José Iturbide's 12th-clearest and 7th-windiest month. For the whole year in context, see San José Iturbide's year-round climate.

Daytime high
24°
7th warmest
Overnight low
14°
8th coldest
Rainfall
120 mm
13.7 wet days
Daylight
12 h 06 min
6:32 AM – 6:39 PM
Cloud cover
66%
12th clearest
Wind
9 km/h
7th windiest
Solar energy
5.28 kWh/m²
Travel score
6.2
out of 10

San José Iturbide is municipal seat of Iturbide, 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 24°C through the month.

A typical September day in San José Iturbide reaches about 24°C in the afternoon and slips back to 14°C overnight — a 10°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 on par with October.

10°15°20°25°30°151015202530
Avg high (°C)Avg low (°C)
12414
22414
32414
42414
52414
62414
72414
82414
92414
102414
112414
122414
132414
142414
152414
162414
172414
182414
192414
202314
212314
222313
232313
242313
252313
262313
272313
282313
292313
302313

San José Iturbide weather by month

How September compares with the rest of the year at a glance. September is the 7th-warmest and 3rd-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysDaylight (hours)Travel score
Jan21° / 122.410.98.0
Feb23° / 122.211.38.5
Mar26° / 11°132.511.98.3
Apr28° / 13°184.212.57.2
May28° / 14°548.8136.3
Jun26° / 14°1221413.36.0
Jul25° / 14°13316.113.16.0
Aug25° / 14°12014.112.76.2
Sep24° / 14°12013.712.16.2
Oct23° / 12°426.811.57.5
Nov23° / 122.4118.3
Dec22° / 51.110.78.3

Cloud cover in September

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 20% 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 60%. Skies tend to open up as the month goes on.

0%25%50%75%100%151015202530
Clearer (%)Cloudier (%)
13862
23862
33862
43862
53862
63763
73862
83862
93862
103862
113961
124060
134060
144060
154060
164060
174060
184060
194060
204159
214060
224060
234159
244159
254159
264159
274159
284258
294357
304456

Chance of precipitation in September

Any precipitation

San José Iturbide gets around 120 mm of rain over 13.7 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 45% and peaks near 52% on the wettest days. The odds ease toward the end of the month.

0%20%40%60%151015202530
Rain chance (%)
150
250
350
451
551
651
752
852
952
1052
1151
1251
1350
1449
1548
1647
1746
1845
1944
2043
2141
2240
2338
2437
2535
2634
2733
2832
2931
3030

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 54% of days. It rarely turns muggy — the humid and sticky bands barely register.

0%25%50%75%100%151015202530
Dry (%)Comfortable (%)Humid (%)
136622
236622
336622
436613
535623
635623
735623
835614
936604
1036604
1137594
1237585
1338575
1438575
1539565
1639565
1740555
1841554
1942544
2043534
2144524
2245514
2347503
2449483
2551463
2652453
2754442
2856422
2957412
3058402

Wind in September

Winds average 9 km/h in September.

Across September, daily wind ranges from about 9 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
19calm
29calm
39calm
49calm
59calm
69calm
79calm
89calm
99calm
109calm
119calm
129calm
139calm
149calm
159calm
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 6:29 AM to 6:36 AM, and sunset from 6:54 PM to 6:26 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202530
Daylight (h)Sunrise (AM)Sunset (PM)
112.46:296:54
212.46:296:53
312.46:296:52
412.46:296:51
512.36:306:50
612.36:306:49
712.36:306:48
812.36:306:47
912.36:316:46
1012.26:316:45
1112.26:316:44
1212.26:316:43
1312.26:326:42
1412.26:326:41
1512.16:326:40
1612.16:326:39
1712.16:336:38
1812.16:336:37
1912.16:336:36
2012.06:336:35
2112.06:346:34
2212.06:346:33
2312.06:346:33
2412.06:346:32
2511.96:356:31
2611.96:356:30
2711.96:356:29
2811.96:356:28
2911.96:366:27
3011.86:366:26

Solar energy in September

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in September, about 5.28 kWh/m².

For context, solar energy here swings from a low near 4.65 kWh/m² to a high of 7.31 kWh/m² in April across the year — September's 5.28 kWh/m² falls in the middle.

0246151015202530
Solar energy (kWh/m²)Level
15.6Bright
25.6Bright
35.6Bright
45.5Bright
55.5Bright
65.5Bright
75.5Bright
85.4Bright
95.4Bright
105.4Bright
115.4Bright
125.4Bright
135.3Bright
145.3Bright
155.3Bright
165.3Bright
175.3Bright
185.3Bright
195.2Bright
205.2Bright
215.2Bright
225.2Bright
235.2Bright
245.2Bright
255.2Bright
265.2Bright
275.2Bright
285.1Bright
295.1Bright
305.1Bright
Planning a trip in September

Hazard calendar for San José Iturbide

In seasonPeak

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

San José Iturbide'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 San José Iturbide?

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

6.2
Sightseeing
9th-best month of the year
5.1
Beach & pool
11th-best month of the year

September is a reasonable time to visit San José Iturbide for sightseeing.

What to pack for San José Iturbide in September

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

In September, San José Iturbide sees daytime highs around 24°C and nights near 14°C. Worth packing: light clothes, rain gear and sun protection. About 14 days see rain.

light clothesrain gearsun protection

UV index in San José Iturbide 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 San José Iturbide peaks around June 14 at about 14 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near December 16 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 14UV 14Dec 16UV 7
UV index (midday)Level
Jan8Very high
Feb10Very high
Mar13Extreme
Apr13Extreme
May13Extreme
Jun14Extreme
Jul12Extreme
Aug14Extreme
Sep11Extreme
Oct11Extreme
Nov8Very high
Dec7Very high

Air quality in San José Iturbide 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 San José Iturbide 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 San José Iturbide?

San José Iturbide sits at 21.0°N, 100.4°W, 2,084 m above sea level, in Mexico. The nearest listed city is Santa Rosa Jáuregui, 29 km away.

Topography around San José Iturbide

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

Within 3 km, the terrain around San José Iturbide has only modest variations in elevation — a maximum elevation change of 211 m around an average of 2,114 m above sea level; within 16 km, large variations in elevation — a maximum elevation change of 1,060 m; within 80 km, extreme variations in elevation — a maximum elevation change of 2,657 m.

The land around San José Iturbide is covered by shrubs (37%), cropland (25%) and artificial surfaces (22%) within 3 km, shrubs (45%) and cropland (30%) within 16 km, and shrubs (59%) within 80 km.

3 km
211 m
16 km
1,060 m
80 km
2,657 m
treesshrubsgrasslandcroplandartificial surfacesbare terrain
September weather nearby: Santa Rosa Jáuregui 29 km · San Luis de la Paz 36 km · San Miguel de Allende 38 km · Santiago de Querétaro 46 km · San José de los Olvera 50 km · Comonfort 50 km · Venceremos 50 km · El Pueblito 51 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 San José Iturbide (21.0002°, -100.3858°, elevation 2,084 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).