Ciudad de Huajuapan de León weather in September

In September, Ciudad de Huajuapan de León sees average daytime highs of 23°C and overnight lows near 14°C, with 238 mm of rain across 19.7 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 9% 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 54 min by month's end. Set against the rest of the year, September is Ciudad de Huajuapan de León's 12th-clearest and 11th-windiest month. For the whole year in context, see Ciudad de Huajuapan de León's year-round climate.

Daytime high
23°
8th warmest
Overnight low
14°
10th coldest
Rainfall
238 mm
19.7 wet days
Daylight
12 h 06 min
6:22 AM – 6:28 PM
Cloud cover
79%
12th clearest
Wind
6 km/h
11th windiest
Solar energy
5.23 kWh/m²
Travel score
5.1
out of 10

Ciudad de Huajuapan de León is municipal seat of Huajuapan, State of Oaxaca, 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 23°C through the month.

A typical September day in Ciudad de Huajuapan de León reaches about 23°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 25°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
92314
102314
112314
122314
132314
142314
152314
162314
172314
182314
192314
202314
212314
222314
232314
242313
252313
262313
272313
282313
292313
302313

Ciudad de Huajuapan de León 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
Jan23° / 71.511.18.7
Feb25° / 10°71.411.48.8
Mar27° / 11°13311.98.1
Apr28° / 13°316.612.47.1
May27° / 14°9213.712.86.0
Jun25° / 14°23419.3135.2
Jul24° / 13°18116.7135.7
Aug24° / 13°20018.112.65.5
Sep23° / 14°23819.712.15.1
Oct23° / 12°911111.66.7
Nov23° / 10°163.311.28.3
Dec23° / 61118.8

Cloud cover in September

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 9% 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 80%.

0%25%50%75%100%151015202530
Clearer (%)Cloudier (%)
12179
22080
32080
42080
51981
61981
71981
81981
91981
101981
111981
121981
131981
141981
151981
161981
171981
181981
192080
202080
212080
222080
232179
242179
252179
262476
272476
282476
292674
302674

Chance of precipitation in September

Any precipitation

Ciudad de Huajuapan de León gets around 238 mm of rain over 19.7 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 64% and peaks near 69% on the wettest days. The odds ease toward the end of the month.

0%20%40%60%80%151015202530
Rain chance (%)
167
268
368
468
569
669
769
869
969
1069
1168
1268
1367
1466
1566
1666
1765
1865
1964
2064
2163
2262
2361
2460
2559
2658
2758
2857
2956
3056

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 69% of days. It rarely turns muggy — the humid and sticky bands barely register.

0%25%50%75%100%151015202530
Dry (%)Comfortable (%)Humid (%)
128675
227685
326695
425705
524715
623716
723716
822726
922726
1022726
1122726
1222717
1322717
1422717
1522717
1622717
1722717
1822717
1922717
2023707
2124697
2224706
2325696
2426686
2527676
2628675
2729665
2830655
2931654
3032644

Wind in September

Winds average 6 km/h in September.

Across September, daily wind ranges from about 6 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
16calm
26calm
36calm
46calm
56calm
66calm
76calm
86calm
96calm
106calm
116calm
126calm
136calm
146calm
156calm
166calm
176calm
186calm
196calm
206calm
216calm
226calm
236calm
246calm
256calm
266calm
276calm
286calm
296calm
307calm

Sunrise & sunset in September

DaylightNight

Daylight runs from about 12 h 24 min at the start of September to 11 h 54 min by month's end. The lit band spans sunrise to sunset each day.

Days shrink by about 30 minutes over September. Sunrise moves from 6:20 AM to 6:25 AM, and sunset from 6:41 PM to 6:16 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202530
Daylight (h)Sunrise (AM)Sunset (PM)
112.46:206:41
212.36:206:41
312.36:216:40
412.36:216:39
512.36:216:38
612.36:216:37
712.36:216:36
812.26:216:35
912.26:216:35
1012.26:226:34
1112.26:226:33
1212.26:226:32
1312.26:226:31
1412.16:226:30
1512.16:226:29
1612.16:226:28
1712.16:236:28
1812.16:236:27
1912.06:236:26
2012.06:236:25
2112.06:236:24
2212.06:236:23
2312.06:246:22
2412.06:246:21
2511.96:246:20
2611.96:246:20
2711.96:246:19
2811.96:246:18
2911.96:256:17
3011.96:256:16

Solar energy in September

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in September, about 5.23 kWh/m².

For context, solar energy here swings from a low near 5.15 kWh/m² to a high of 7.19 kWh/m² in April across the year — September's 5.23 kWh/m² sits near the bottom.

0246151015202530
Solar energy (kWh/m²)Level
15.5Bright
25.4Bright
35.4Bright
45.4Bright
55.4Bright
65.3Bright
75.3Bright
85.3Bright
95.3Bright
105.3Bright
115.3Bright
125.3Bright
135.3Bright
145.3Bright
155.3Bright
165.3Bright
175.3Bright
185.2Bright
195.2Bright
205.2Bright
215.2Bright
225.2Bright
235.2Bright
245.2Bright
255.2Bright
265.2Bright
275.2Bright
285.2Bright
295.2Bright
305.2Bright
Planning a trip in September

Hazard calendar for Ciudad de Huajuapan de León

In seasonPeak

In September, Ciudad de Huajuapan de León sits inside its monsoon season. The full year is below, with each hazard's peak months called out.

Ciudad de Huajuapan de León's monsoon runs June–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 Ciudad de Huajuapan de León?

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

5.1
Sightseeing
12th-best month of the year
4.2
Beach & pool
12th-best month of the year

September is a reasonable time to visit Ciudad de Huajuapan de León for sightseeing.

What to pack for Ciudad de Huajuapan de León in September

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

In September, Ciudad de Huajuapan de León sees daytime highs around 23°C and nights near 14°C. Pack rain gear. Worth having: light clothes and sun protection. About 20 days see rain.

rain gearlight clothessun protection

UV index in Ciudad de Huajuapan de León in September

LowModerateHighVery highExtreme

Clear-sky midday UV in September peaks around 13 (very high — sun protection essential). The full-year curve, shaded by WHO exposure level, is below.

Under clear skies, the midday UV index in Ciudad de Huajuapan de León peaks around April 12 at about 15 (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.

025710JanFebMarAprMayJunJulAugSepOctNovDecExtremeExtremeVery highApr 12UV 15Dec 15UV 8
UV index (midday)Level
Jan10Very high
Feb12Extreme
Mar13Extreme
Apr15Extreme
May9Very high
Jun14Extreme
Jul12Extreme
Aug14Extreme
Sep13Extreme
Oct12Extreme
Nov9Very high
Dec8Very high

Air quality in Ciudad de Huajuapan de León 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 Ciudad de Huajuapan de León is worst in May — around 27 µg/m³ PM2.5 (moderate), about 2.4× the cleanest month (January, 11 µg/m³).

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

0102030JanFebMarAprMayJunJulAugSepOctNovDecGoodModerateMay 1626 µg/m³Jan 1811 µg/m³
PM2.5 (µg/m³)Level
Jan11Good
Feb12Good
Mar14Moderate
Apr21Moderate
May27Moderate
Jun19Moderate
Jul19Moderate
Aug15Moderate
Sep16Moderate
Oct13Moderate
Nov12Moderate
Dec12Moderate
Location & terrain

Where is Ciudad de Huajuapan de León?

Ciudad de Huajuapan de León sits at 17.8°N, 97.8°W, 1,594 m above sea level, in Mexico. The nearest listed city is Acatlán de Osorio, 52 km away.

Topography around Ciudad de Huajuapan de León

How much the land rises and falls, and what covers it, within 3, 16 and 80 km of Ciudad de Huajuapan de León.

Within 3 km, the terrain around Ciudad de Huajuapan de León has significant variations in elevation — a maximum elevation change of 354 m around an average of 1,631 m above sea level; within 16 km, large variations in elevation — a maximum elevation change of 1,063 m; within 80 km, extreme variations in elevation — a maximum elevation change of 2,755 m.

The land around Ciudad de Huajuapan de León is covered by artificial surfaces (41%) and shrubs (36%) within 3 km, shrubs (63%) and grassland (20%) within 16 km, and shrubs (51%) and trees (29%) within 80 km.

3 km
354 m
16 km
1,063 m
80 km
2,755 m
treesshrubsgrasslandcroplandartificial surfacesbare terrain
September weather nearby: Acatlán de Osorio 52 km · Heroica Ciudad de Tlaxiaco 61 km · Altepexi 81 km · Zinacatepec 81 km · Tehuacán 83 km · Ajalpan 84 km · Tlapa de Comonfort 89 km · Izúcar de Matamoros 114 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 Ciudad de Huajuapan de León (17.8079°, -97.7796°, elevation 1,594 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).