Iguala de la Independencia weather in September

In September, Iguala de la Independencia sees average daytime highs of 30°C and overnight lows near 20°C, with 208 mm of rain across 25.3 wet days and about 12.1 hours of daylight. It is the 10th-warmest and 2nd-wettest month of the year here.

Day-to-day highs hold fairly steady near 30°C through the month. The sky is clear or mostly clear about 12% of the time in September, and the air most often feels muggy.

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 Iguala de la Independencia's 12th-clearest and 12th-windiest month. For the whole year in context, see Iguala de la Independencia's year-round climate.

Daytime high
30°
10th warmest
Overnight low
20°
7th coldest
Rainfall
208 mm
25.3 wet days
Daylight
12 h 06 min
6:29 AM – 6:36 PM
Cloud cover
73%
12th clearest
Wind
4 km/h
12th windiest
Solar energy
5.54 kWh/m²
Travel score
3.0
out of 10

Iguala de la Independencia is municipal seat of Iguala, State of Guerrero, Mexico.

Founded
1534

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 30°C through the month.

A typical September day in Iguala de la Independencia reaches about 30°C in the afternoon and slips back to 20°C overnight — a 10°C spread between the day's warmth and the night's chill. On most days the high lands between 28°C and 32°C. Set against its neighbours, September runs about 1°C cooler than August and on par with October.

15°20°25°30°35°151015202530
Avg high (°C)Avg low (°C)
13020
23020
33020
43020
53020
63020
73020
83020
93020
103020
113020
123020
133020
143020
153020
163020
173020
183020
193020
203020
213020
223020
233020
243020
253020
263020
273020
283020
293020
303020

How September really feels in Iguala de la Independencia

Once humidity and wind are folded in, September averages 0 days that feel above 32°C and 0 that feel at or below 0°C — the comfort signal a plain temperature reading hides.

Days feeling ≥ 32°C
0
heat index over the day's high
Days feeling ≤ C
0
wind chill below the day's low

September sits comfortably in between — no days that feel dangerously hot or drop to a hard freeze once humidity and wind are folded in.

Iguala de la Independencia weather by month

How September compares with the rest of the year at a glance. September is the 10th-warmest and 2nd-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysDaylight (hours)Travel score
Jan30° / 16°71.1116.5
Feb32° / 18°50.911.45.4
Mar34° / 20°41.111.93.9
Apr36° / 21°61.712.42.6
May36° / 22°509.312.92.3
Jun32° / 21°17822.113.12.7
Jul32° / 21°18022.3133.0
Aug31° / 21°21025.412.62.8
Sep30° / 20°20825.312.13.0
Oct31° / 20°8714.811.64.1
Nov31° / 18°184.111.15.4
Dec30° / 17°40.910.96.5

Cloud cover in September

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 12% of the time in September, the cloudiest month of the year.

Beyond those clear spells, partly cloudy skies cover about 18% of September, with mostly cloudy or overcast conditions the remaining 70%.

0%25%50%75%100%151015202530
Clearer (%)Cloudier (%)
12674
22674
32575
42575
52674
62674
72674
82773
92773
102971
112971
122971
133070
143070
153169
163169
173268
183169
193169
203169
213169
223268
233268
243268
253367
263367
273466
283466
293565
303664

Chance of precipitation in September

Any precipitation

Iguala de la Independencia gets around 208 mm of rain over 25.3 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 84% and peaks near 87% on the wettest days. The odds ease toward the end of the month.

0%20%40%60%80%100%151015202530
Rain chance (%)
187
287
387
487
587
687
787
887
986
1086
1186
1285
1385
1485
1584
1684
1784
1884
1984
2084
2183
2283
2382
2481
2580
2679
2778
2877
2975
3074

Humidity in September

DryComfortableHumidMuggyOppressiveMiserable

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

By dew point, September lands in the muggy band about 66% of days. Sticky, muggy-or-worse air turns up on roughly 66% of them.

0%25%50%75%100%151015202530
Dry (%)Comfortable (%)Humid (%)Muggy (%)
1043165
2043165
3033166
4033166
5033166
6023167
7023167
8023167
9023266
10023266
11023266
12023266
13033265
14033166
15033166
16033067
17033067
18032968
19032968
20032869
21042868
22042868
23042868
24142867
25142867
26152866
27152866
28162865
29262963
30273061

Wind in September

Winds average 4 km/h in September, the calmest month.

Across September, daily wind ranges from about 4 km/h on the calmest days to 4 km/h at its breeziest. It stays fairly steady from day to day.

0246810151015202530
Wind speed (km/h)Feels
14calm
24calm
34calm
44calm
54calm
64calm
74calm
84calm
94calm
104calm
114calm
124calm
134calm
144calm
154calm
164calm
174calm
184calm
194calm
204calm
214calm
224calm
234calm
244calm
254calm
264calm
274calm
284calm
294calm
304calm

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 6:27 AM to 6:32 AM, and sunset from 6:49 PM to 6:23 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202530
Daylight (h)Sunrise (AM)Sunset (PM)
112.46:276:49
212.36:276:48
312.36:276:47
412.36:276:46
512.36:286:45
612.36:286:45
712.36:286:44
812.26:286:43
912.26:286:42
1012.26:286:41
1112.26:296:40
1212.26:296:39
1312.26:296:38
1412.16:296:37
1512.16:296:36
1612.16:296:36
1712.16:306:35
1812.16:306:34
1912.06:306:33
2012.06:306:32
2112.06:306:31
2212.06:306:30
2312.06:316:29
2412.06:316:28
2511.96:316:27
2611.96:316:27
2711.96:316:26
2811.96:316:25
2911.96:326:24
3011.96:326:23

Solar energy in September

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in September, about 5.54 kWh/m².

For context, solar energy here swings from a low near 5.1 kWh/m² to a high of 7.49 kWh/m² in April across the year — September's 5.54 kWh/m² falls in the middle.

0246151015202530
Solar energy (kWh/m²)Level
15.8Bright
25.8Bright
35.7Bright
45.7Bright
55.7Bright
65.7Bright
75.7Bright
85.7Bright
95.7Bright
105.7Bright
115.6Bright
125.6Bright
135.6Bright
145.6Bright
155.6Bright
165.6Bright
175.6Bright
185.5Bright
195.5Bright
205.5Bright
215.5Bright
225.5Bright
235.5Bright
245.5Bright
255.5Bright
265.5Bright
275.5Bright
285.5Bright
295.5Bright
305.5Bright
Planning a trip in September

Hazard calendar for Iguala de la Independencia

In seasonPeak

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

Iguala de la Independencia'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 Iguala de la Independencia?

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

3.0
Sightseeing
7th-best month of the year
4.3
Beach & pool
11th-best month of the year

September is a weaker month for outdoor sightseeing in Iguala de la Independencia.

What to pack for Iguala de la Independencia in September

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

In September, Iguala de la Independencia sees daytime highs around 30°C and nights near 20°C. Pack light clothes and rain gear. Worth having: sun protection. About 25 days see rain.

light clothesrain gearsun protection

UV index in Iguala de la Independencia 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 Iguala de la Independencia peaks around April 10 at about 13 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near December 14 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 highApr 10UV 13Dec 14UV 7
UV index (midday)Level
Jan9Very high
Feb11Extreme
Mar13Extreme
Apr13Extreme
May11Extreme
Jun12Extreme
Jul11Extreme
Aug12Extreme
Sep11Extreme
Oct10Very high
Nov8Very high
Dec7Very high

Air quality in Iguala de la Independencia 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 Iguala de la Independencia is worst in May — around 36 µg/m³ PM2.5 (poor), about 2.5× the cleanest month (March, 15 µg/m³).

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

010203040JanFebMarAprMayJunJulAugSepOctNovDecModerateMay 1434 µg/m³Mar 1015 µg/m³
PM2.5 (µg/m³)Level
Jan20Moderate
Feb16Moderate
Mar15Moderate
Apr28Moderate
May36Poor
Jun19Moderate
Jul18Moderate
Aug17Moderate
Sep21Moderate
Oct28Moderate
Nov26Moderate
Dec24Moderate
Location & terrain

Where is Iguala de la Independencia?

Iguala de la Independencia sits at 18.3°N, 99.5°W, 743 m above sea level, in Mexico. The nearest listed city is Ciudad de Huitzuco, 22 km away.

Topography around Iguala de la Independencia

How much the land rises and falls, and what covers it, within 3, 16 and 80 km of Iguala de la Independencia.

Within 3 km, the terrain around Iguala de la Independencia has significant variations in elevation — a maximum elevation change of 318 m around an average of 772 m above sea level; within 16 km, very significant variations in elevation — a maximum elevation change of 1,448 m; within 80 km, extreme variations in elevation — a maximum elevation change of 3,363 m.

The land around Iguala de la Independencia is covered by artificial surfaces (46%) and shrubs (22%) within 3 km, shrubs (41%) and trees (36%) within 16 km, and trees (43%) and shrubs (42%) within 80 km.

3 km
318 m
16 km
1,448 m
80 km
3,363 m
treesshrubsgrasslandcroplandartificial surfaceswater
September weather nearby: Ciudad de Huitzuco 22 km · Taxco de Alarcón 24 km · Teloloapan 35 km · Puente de Ixtla 38 km · Jojutla 48 km · Xoxocotla 49 km · Zacatepec 51 km · Tlaquiltenango 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 Iguala de la Independencia (18.3454°, -99.5413°, elevation 743 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).