Magdalena Contreras weather in September

In September, Magdalena Contreras sees average daytime highs of 20°C and overnight lows near 10°C, with 195 mm of rain across 22.6 wet days and about 12.1 hours of daylight. It is the 8th-warmest and 4th-wettest month of the year here.

Day-to-day highs hold fairly steady near 20°C through the month. The sky is clear or mostly clear about 5% of the time in September, and the air most often feels dry.

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 Magdalena Contreras's 12th-clearest and 8th-windiest month. For the whole year in context, see Magdalena Contreras's year-round climate.

Daytime high
20°
8th warmest
Overnight low
10°
12th coldest
Rainfall
195 mm
22.6 wet days
Daylight
12 h 06 min
6:28 AM – 6:34 PM
Cloud cover
80%
12th clearest
Wind
5 km/h
8th windiest
Solar energy
5.08 kWh/m²
Travel score
4.2
out of 10

Magdalena Contreras 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 20°C through the month.

A typical September day in Magdalena Contreras reaches about 20°C in the afternoon and slips back to 10°C overnight — a 10°C spread between the day's warmth and the night's chill. On most days the high lands between 17°C and 21°C. Set against its neighbours, September runs on par with August and on par with October.

10°15°20°25°151015202530
Avg high (°C)Avg low (°C)
12010
22010
32010
42010
52010
62010
72010
82010
92010
102010
112010
122010
132010
142010
152010
162010
172010
182010
192010
202010
212010
222010
231910
241910
251910
26199
27199
28199
29199
30199

Magdalena Contreras weather by month

How September compares with the rest of the year at a glance. September is the 8th-warmest and 4th-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysDaylight (hours)Travel score
Jan18° / 314.9116.9
Feb20° / 305.411.37.3
Mar21° / 458.611.97.1
Apr22° / 811212.46.6
May22° / 13316.912.95.7
Jun21° / 10°21020.713.14.7
Jul20° / 24226.4133.9
Aug20° / 10°22925.612.74.0
Sep20° / 10°19522.612.14.2
Oct19° / 9514.111.65.5
Nov19° / 427.411.16.6
Dec18° / 20410.97.1

Cloud cover in September

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 5% of the time in September, the cloudiest month of the year.

Beyond those clear spells, partly cloudy skies cover about 12% of September, with mostly cloudy or overcast conditions the remaining 83%.

0%25%50%75%100%151015202530
Clearer (%)Cloudier (%)
11387
21387
31387
41486
51486
61585
71684
81684
91783
101783
111783
121783
131882
141882
151882
161783
171783
181882
191783
201783
211783
221684
231882
241882
251783
261783
271981
281981
291981
302080

Chance of precipitation in September

Any precipitation

Magdalena Contreras gets around 195 mm of rain over 22.6 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 74% and peaks near 80% on the wettest days. The odds ease toward the end of the month.

0%20%40%60%80%151015202530
Rain chance (%)
180
280
380
480
580
680
780
880
980
1080
1179
1279
1378
1477
1576
1676
1775
1874
1974
2073
2172
2271
2369
2468
2566
2665
2764
2863
2962
3061

Humidity in September

DryComfortableHumidMuggyOppressiveMiserable

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

By dew point, September lands in the dry band about 98% of days. It rarely turns muggy — the humid and sticky bands barely register.

0%25%50%75%100%151015202530
Dry (%)Comfortable (%)
1982
2982
3982
4982
5982
6973
7973
8973
9973
10973
11973
12973
13973
14973
15973
16973
17973
18973
19973
20973
21973
22982
23982
24982
25982
26982
27991
28991
29991
30991

Wind in September

Winds average 5 km/h in September.

Across September, daily wind ranges from about 5 km/h on the calmest days to 6 km/h at its breeziest. It stays fairly steady from day to day.

0246810151015202530
Wind speed (km/h)Feels
15calm
25calm
35calm
45calm
55calm
65calm
75calm
85calm
95calm
105calm
115calm
125calm
135calm
145calm
155calm
165calm
175calm
185calm
196calm
206calm
216calm
226calm
236calm
246calm
256calm
266calm
276calm
286calm
296calm
306calm

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 6:25 AM to 6:31 AM, and sunset from 6:48 PM to 6:21 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202530
Daylight (h)Sunrise (AM)Sunset (PM)
112.46:256:48
212.46:256:47
312.36:256:46
412.36:266:45
512.36:266:45
612.36:266:44
712.36:266:43
812.36:266:42
912.26:276:41
1012.26:276:40
1112.26:276:39
1212.26:276:38
1312.26:276:37
1412.16:286:36
1512.16:286:35
1612.16:286:34
1712.16:286:33
1812.16:286:33
1912.16:286:32
2012.06:296:31
2112.06:296:30
2212.06:296:29
2312.06:296:28
2412.06:306:27
2511.96:306:26
2611.96:306:25
2711.96:306:24
2811.96:306:23
2911.96:316:22
3011.86:316:21

Solar energy in September

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in September, about 5.08 kWh/m².

For context, solar energy here swings from a low near 4.93 kWh/m² to a high of 6.92 kWh/m² in April across the year — September's 5.08 kWh/m² falls in the middle.

0246151015202530
Solar energy (kWh/m²)Level
15.3Bright
25.3Bright
35.2Bright
45.2Bright
55.2Bright
65.2Bright
75.2Bright
85.2Bright
95.2Bright
105.2Bright
115.2Bright
125.1Bright
135.1Bright
145.1Bright
155.1Bright
165.1Bright
175.1Bright
185.1Bright
195.1Bright
205.1Bright
215.1Bright
225.1Bright
235.1Bright
245.1Bright
255.0Bright
265.0Bright
275.0Bright
285.0Bright
295.0Bright
305.0Bright
Planning a trip in September

Hazard calendar for Magdalena Contreras

In seasonPeak

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

Magdalena Contreras's monsoon runs May–September, when most of the year's rain falls.

Monsoon
Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec

Is September a good time to visit Magdalena Contreras?

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

4.2
Sightseeing
10th-best month of the year
2.0
Beach & pool
12th-best month of the year

September is a reasonable time to visit Magdalena Contreras for sightseeing.

What to pack for Magdalena Contreras in September

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

In September, Magdalena Contreras sees daytime highs around 20°C and nights near 10°C. Pack rain gear. Worth having: sun protection. About 23 days see rain.

rain gearsun protection

UV index in Magdalena Contreras 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 Magdalena Contreras peaks around April 9 at about 14 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near December 15 at about 8 (very high).

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

025710JanFebMarAprMayJunJulAugSepOctNovDecExtremeVery highApr 9UV 14Dec 15UV 8
UV index (midday)Level
Jan9Very high
Feb12Extreme
Mar14Extreme
Apr14Extreme
May11Extreme
Jun14Extreme
Jul12Extreme
Aug13Extreme
Sep11Extreme
Oct11Extreme
Nov9Very high
Dec8Very high

Air quality in Magdalena Contreras 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 Magdalena Contreras is worst in December — around 179 µg/m³ PM2.5 (very unhealthy), and holds fairly steady the rest of the year.

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

0306090120150180210JanFebMarAprMayJunJulAugSepOctNovDecUnhealthyVery unhealthyDec 11178 µg/m³Apr 14115 µg/m³
PM2.5 (µg/m³)Level
Jan149Unhealthy
Feb141Unhealthy
Mar126Unhealthy
Apr113Unhealthy
May134Unhealthy
Jun126Unhealthy
Jul135Unhealthy
Aug127Unhealthy
Sep136Unhealthy
Oct137Unhealthy
Nov174Very unhealthy
Dec179Very unhealthy
Location & terrain

Where is Magdalena Contreras?

Magdalena Contreras sits at 19.3°N, 99.2°W, 2,348 m above sea level, in Mexico. The nearest listed city is Álvaro Obregón, 3.0 km away.

Topography around Magdalena Contreras

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

Within 3 km, the terrain around Magdalena Contreras has significant variations in elevation — a maximum elevation change of 260 m around an average of 2,369 m above sea level; within 16 km, very significant variations in elevation — a maximum elevation change of 1,697 m; within 80 km, extreme variations in elevation — a maximum elevation change of 4,494 m.

The land around Magdalena Contreras is covered by artificial surfaces (60%) and trees (37%) within 3 km, artificial surfaces (52%) and trees (41%) within 16 km, and trees (37%) and cropland (25%) within 80 km.

3 km
260 m
16 km
1,697 m
80 km
4,494 m
treesshrubsgrasslandcroplandartificial surfacesbare terrain
September weather nearby: Álvaro Obregón 3.0 km · Coyoacán 5.0 km · Tlalpan 7.0 km · Benito Juárez 7.0 km · Colonia del Valle 8.0 km · Delegación Cuajimalpa de Morelos 9.0 km · Colonia Nativitas 10 km · Jesús del Monte 10 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 Magdalena Contreras (19.3321°, -99.2112°, elevation 2,348 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).