Santiago de Querétaro weather in September

In September, Santiago de Querétaro sees average daytime highs of 25°C and overnight lows near 14°C, with 120 mm of rain across 14 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 25°C through the month. The sky is clear or mostly clear about 16% 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 Santiago de Querétaro's 12th-clearest and 4th-windiest month. For the whole year in context, see Santiago de Querétaro's year-round climate.

Daytime high
25°
7th warmest
Overnight low
14°
9th coldest
Rainfall
120 mm
14 wet days
Daylight
12 h 06 min
6:32 AM – 6:39 PM
Cloud cover
68%
12th clearest
Wind
9 km/h
4th windiest
Solar energy
5.37 kWh/m²
Travel score
6.1
out of 10

Santiago de Querétaro is capital of the State of Querétaro, Mexico.

Founded
1531

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 25°C through the month.

A typical September day in Santiago de Querétaro reaches about 25°C in the afternoon and slips back to 14°C overnight — a 11°C spread between the day's warmth and the night's chill. On most days the high lands between 22°C and 28°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)
12515
22515
32515
42515
52515
62515
72515
82515
92514
102514
112514
122514
132514
142514
152514
162514
172514
182514
192514
202514
212514
222514
232514
242514
252514
262514
272514
282514
292514
302513

Santiago de Querétaro 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
Jan23° / 112.410.98.3
Feb25° / 13211.38.5
Mar27° / 10°112.111.97.9
Apr29° / 13°143.212.56.3
May30° / 14°457.9135.5
Jun28° / 15°12213.413.25.5
Jul26° / 14°13016.813.15.6
Aug26° / 14°1161512.75.8
Sep25° / 14°1201412.16.1
Oct25° / 12°426.911.57.4
Nov24° / 10°132.7118.5
Dec23° / 41.110.88.7

Cloud cover in September

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 16% 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 64%. Skies tend to open up as the month goes on.

0%25%50%75%100%151015202530
Clearer (%)Cloudier (%)
13367
23466
33367
43466
53565
63565
73565
83565
93664
103664
113664
123664
133763
143763
153664
163664
173664
183664
193763
203763
213664
223664
233664
243664
253763
263763
273763
283862
294060
304060

Chance of precipitation in September

Any precipitation

Santiago de Querétaro gets around 120 mm of rain over 14 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 (%)
152
252
352
452
552
652
752
852
952
1052
1151
1251
1350
1449
1548
1648
1747
1846
1945
2043
2142
2241
2339
2438
2537
2635
2734
2834
2933
3032

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 (%)
133607
233607
333598
433598
532608
632608
732608
832608
933598
1033598
1133598
1234588
1334579
1435569
1535569
1636568
1736568
1837558
1938548
2039547
2140537
2242517
2343507
2445496
2547476
2649466
2751445
2852435
2953425
3055414

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
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
412.46:306:51
512.36:306:50
612.36:306:49
712.36:306:48
812.36:316:47
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
2212.06:346:34
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 5.37 kWh/m².

For context, solar energy here swings from a low near 4.82 kWh/m² to a high of 7.41 kWh/m² in April across the year — September's 5.37 kWh/m² falls in the middle.

0246151015202530
Solar energy (kWh/m²)Level
15.6Bright
25.6Bright
35.6Bright
45.6Bright
55.5Bright
65.5Bright
75.5Bright
85.5Bright
95.5Bright
105.5Bright
115.5Bright
125.4Bright
135.4Bright
145.4Bright
155.4Bright
165.4Bright
175.4Bright
185.4Bright
195.4Bright
205.3Bright
215.3Bright
225.3Bright
235.3Bright
245.3Bright
255.3Bright
265.3Bright
275.3Bright
285.3Bright
295.3Bright
305.3Bright
Planning a trip in September

Hazard calendar for Santiago de Querétaro

In seasonPeak

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

Santiago de Querétaro'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 Santiago de Querétaro?

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

6.1
Sightseeing
8th-best month of the year
5.5
Beach & pool
11th-best month of the year

September is a reasonable time to visit Santiago de Querétaro for sightseeing.

What to pack for Santiago de Querétaro in September

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

In September, Santiago de Querétaro sees daytime highs around 25°C and nights near 14°C. Pack rain gear. Worth having: light clothes and sun protection. About 14 days see rain.

rain gearlight clothessun protection

UV index in Santiago de Querétaro 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 Santiago de Querétaro 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
Jan9Very high
Feb10Extreme
Mar13Extreme
Apr13Extreme
May13Extreme
Jun14Extreme
Jul12Extreme
Aug13Extreme
Sep11Extreme
Oct11Extreme
Nov8Very high
Dec7Very high

Air quality in Santiago de Querétaro 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 Santiago de Querétaro is worst in May — around 24 µg/m³ PM2.5 (moderate), and holds fairly steady the rest of the year.

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

0102030JanFebMarAprMayJunJulAugSepOctNovDecModerateMay 1323 µg/m³Oct 1516 µg/m³
PM2.5 (µg/m³)Level
Jan22Moderate
Feb22Moderate
Mar19Moderate
Apr22Moderate
May24Moderate
Jun18Moderate
Jul22Moderate
Aug18Moderate
Sep18Moderate
Oct16Moderate
Nov19Moderate
Dec22Moderate
Location & terrain

Where is Santiago de Querétaro?

Santiago de Querétaro sits at 20.6°N, 100.4°W, 1,826 m above sea level, in Mexico. The nearest listed city is Venceremos, 4.0 km away.

Topography around Santiago de Querétaro

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

Within 3 km, the terrain around Santiago de Querétaro has only modest variations in elevation — a maximum elevation change of 151 m around an average of 1,843 m above sea level; within 16 km, large variations in elevation — a maximum elevation change of 654 m; within 80 km, very significant variations in elevation — a maximum elevation change of 2,044 m.

The land around Santiago de Querétaro is covered by artificial surfaces (91%) within 3 km, shrubs (35%) and artificial surfaces (28%) within 16 km, and shrubs (42%) and cropland (28%) within 80 km.

3 km
151 m
16 km
654 m
80 km
2,044 m
treesshrubsgrasslandcroplandartificial surfacesbare terrainwater
September weather nearby: Venceremos 4.0 km · San José de los Olvera 5.0 km · El Pueblito 8.0 km · Santa Rosa Jáuregui 18 km · Apaseo el Alto 28 km · Apaseo el Grande 32 km · Comonfort 42 km · Celaya 45 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 Santiago de Querétaro (20.5881°, -100.3881°, elevation 1,826 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).