Taxco de Alarcón weather in September

In September, Taxco de Alarcón sees average daytime highs of 28°C and overnight lows near 19°C, with 248 mm of rain across 25.9 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 28°C through the month. The sky is clear or mostly clear about 10% of the time in September, and the air most often feels humid.

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

Daytime high
28°
10th warmest
Overnight low
19°
7th coldest
Rainfall
248 mm
25.9 wet days
Daylight
12 h 06 min
6:30 AM – 6:36 PM
Cloud cover
74%
12th clearest
Wind
4 km/h
12th windiest
Solar energy
5.45 kWh/m²
Travel score
3.6
out of 10

Taxco de Alarcón is municipal seat of Taxco, State of Guerrero, Mexico.

Density
145/km²
people per km²
Founded
1529

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 28°C through the month.

A typical September day in Taxco de Alarcón reaches about 28°C in the afternoon and slips back to 19°C overnight — a 10°C spread between the day's warmth and the night's chill. On most days the high lands between 26°C and 30°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)
12819
22819
32819
42819
52819
62819
72819
82819
92819
102819
112819
122819
132819
142819
152819
162819
172819
182819
192819
202819
212819
222819
232819
242819
252819
262819
272819
282818
292818
302818

How September really feels in Taxco de Alarcón

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.

Taxco de Alarcón 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
Jan28° / 14°101.3117.9
Feb30° / 16°81.111.46.5
Mar32° / 17°81.711.95.1
Apr34° / 19°122.912.43.7
May33° / 20°7211.812.93.3
Jun30° / 20°22623.113.13.4
Jul29° / 19°22523133.7
Aug29° / 19°2532612.63.5
Sep28° / 19°24825.912.13.6
Oct29° / 18°10916.311.64.9
Nov29° / 16°265.311.16.7
Dec28° / 14°5110.98.0

Cloud cover in September

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 10% of the time in September, the cloudiest month of the year.

Beyond those clear spells, partly cloudy skies cover about 17% of September, with mostly cloudy or overcast conditions the remaining 73%.

0%25%50%75%100%151015202530
Clearer (%)Cloudier (%)
12377
22377
32377
42278
52278
62278
72278
82377
92476
102575
112674
122674
132773
142773
152872
162872
172971
182971
192971
202971
213070
223070
233070
243070
253169
263268
273268
283268
293367
303367

Chance of precipitation in September

Any precipitation

Taxco de Alarcón gets around 248 mm of rain over 25.9 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 86% and peaks near 89% on the wettest days. The odds ease toward the end of the month.

0%20%40%60%80%100%151015202530
Rain chance (%)
189
289
389
489
589
688
788
888
988
1088
1187
1287
1387
1487
1587
1686
1787
1887
1986
2086
2186
2285
2384
2483
2582
2681
2780
2879
2978
3077

Humidity in September

DryComfortableHumidMuggyOppressiveMiserable

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

By dew point, September lands in the humid band about 60% of days. Sticky, muggy-or-worse air turns up on roughly 34% of them.

0%25%50%75%100%151015202530
Dry (%)Comfortable (%)Humid (%)Muggy (%)
1075835
2065935
3056035
4056035
5046135
6046135
7046135
8036235
9036235
10036334
11046234
12046234
13046234
14046234
15046234
16046135
17046135
18046135
19046036
20046036
21055936
22055936
23055936
24065935
25165835
26175834
27185833
28185932
29195931
301105930

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
212.46:276:48
312.36:276:48
412.36:286:47
512.36:286:46
612.36:286:45
712.36:286:44
812.26:286:43
912.26:286:42
1012.26:296:41
1112.26:296:40
1212.26:296:39
1312.26:296:39
1412.16:296:38
1512.16:296:37
1612.16:306:36
1712.16:306:35
1812.16:306:34
1912.06:306:33
2012.06:306:32
2112.06:306:31
2212.06:316:30
2312.06:316:29
2412.06:316:29
2511.96:316:28
2611.96:316:27
2711.96:326:26
2811.96:326:25
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 5.45 kWh/m².

For context, solar energy here swings from a low near 5.08 kWh/m² to a high of 7.48 kWh/m² in April across the year — September's 5.45 kWh/m² falls in the middle.

0246151015202530
Solar energy (kWh/m²)Level
15.7Bright
25.7Bright
35.7Bright
45.6Bright
55.6Bright
65.6Bright
75.6Bright
85.6Bright
95.6Bright
105.6Bright
115.5Bright
125.5Bright
135.5Bright
145.5Bright
155.5Bright
165.5Bright
175.5Bright
185.5Bright
195.5Bright
205.4Bright
215.4Bright
225.4Bright
235.4Bright
245.4Bright
255.4Bright
265.4Bright
275.4Bright
285.4Bright
295.4Bright
305.4Bright
Planning a trip in September

Hazard calendar for Taxco de Alarcón

In seasonPeak

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

Taxco de Alarcón'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 Taxco de Alarcón?

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

3.6
Sightseeing
9th-best month of the year
4.3
Beach & pool
12th-best month of the year

September is a weaker month for outdoor sightseeing in Taxco de Alarcón.

What to pack for Taxco de Alarcón in September

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

In September, Taxco de Alarcón sees daytime highs around 28°C and nights near 19°C. Pack light clothes and rain gear. Worth having: sun protection. About 26 days see rain.

light clothesrain gearsun protection

UV index in Taxco de Alarcón 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 Taxco de Alarcón 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 Taxco de Alarcón 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 Taxco de Alarcón is worst in November — around 50 µg/m³ PM2.5 (poor), about 2.1× the cleanest month (March, 24 µg/m³).

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

0204060JanFebMarAprMayJunJulAugSepOctNovDecPoorModeratePoorModeratePoorNov 1150 µg/m³Mar 1725 µg/m³
PM2.5 (µg/m³)Level
Jan38Poor
Feb30Moderate
Mar24Moderate
Apr30Moderate
May42Poor
Jun33Moderate
Jul34Moderate
Aug36Poor
Sep43Poor
Oct49Poor
Nov50Poor
Dec47Poor
Location & terrain

Where is Taxco de Alarcón?

Taxco de Alarcón sits at 18.6°N, 99.6°W, 1,770 m above sea level, in Mexico. The nearest listed city is Iguala de la Independencia, 24 km away.

Topography around Taxco de Alarcón

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

Within 3 km, the terrain around Taxco de Alarcón has large variations in elevation — a maximum elevation change of 937 m around an average of 1,769 m above sea level; within 16 km, very significant variations in elevation — a maximum elevation change of 1,795 m; within 80 km, extreme variations in elevation — a maximum elevation change of 4,280 m.

The land around Taxco de Alarcón is covered by trees (59%) and shrubs (20%) within 3 km, trees (69%) and shrubs (24%) within 16 km, and trees (46%) and shrubs (33%) within 80 km.

3 km
937 m
16 km
1,795 m
80 km
4,280 m
treesshrubsgrasslandcroplandartificial surfaces
September weather nearby: Iguala de la Independencia 24 km · Puente de Ixtla 31 km · Ixtapan de la Sal 33 km · Teloloapan 35 km · Ciudad de Huitzuco 40 km · Xoxocotla 41 km · Zacatepec 45 km · Jojutla 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 Taxco de Alarcón (18.5546°, -99.6059°, elevation 1,770 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).