Zacapu weather in September

In September, Zacapu sees average daytime highs of 22°C and overnight lows near 12°C, with 288 mm of rain across 23.9 wet days and about 12.1 hours of daylight. It is the 8th-warmest and 3rd-wettest month of the year here.

Day-to-day highs hold fairly steady near 22°C through the month. The sky is clear or mostly clear about 6% 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 Zacapu's 10th-clearest and 8th-windiest month. For the whole year in context, see Zacapu's year-round climate.

Daytime high
22°
8th warmest
Overnight low
12°
9th coldest
Rainfall
288 mm
23.9 wet days
Daylight
12 h 06 min
6:38 AM – 6:45 PM
Cloud cover
80%
10th clearest
Wind
5 km/h
8th windiest
Solar energy
4.92 kWh/m²
Travel score
4.3
out of 10

Zacapu is municipal seat of Zacapu, State of Michoacán, Mexico.

Founded
1548

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 22°C through the month.

A typical September day in Zacapu reaches about 22°C in the afternoon and slips back to 12°C overnight — a 10°C spread between the day's warmth and the night's chill. On most days the high lands between 20°C and 24°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)
12212
22212
32212
42212
52212
62212
72212
82212
92212
102212
112212
122212
132212
142212
152212
162212
172212
182212
192212
202212
212212
222212
232212
242212
252212
262212
272212
282212
292212
302212

Zacapu weather by month

How September compares with the rest of the year at a glance. September is the 8th-warmest and 3rd-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysDaylight (hours)Travel score
Jan21° / 25410.97.6
Feb22° / 213.811.38.1
Mar24° / 213.911.98.4
Apr26° / 10°19512.47.6
May26° / 12°8413.412.96.3
Jun24° / 13°24421.913.24.8
Jul22° / 12°35628.613.13.8
Aug22° / 12°32727.312.73.9
Sep22° / 12°28823.912.14.3
Oct22° / 10°11814.111.55.9
Nov22° / 386.511.17.4
Dec21° / 132.610.87.8

Cloud cover in September

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 6% of the time in September.

Beyond those clear spells, partly cloudy skies cover about 10% of September, with mostly cloudy or overcast conditions the remaining 84%. Skies tend to open up as the month goes on.

0%25%50%75%100%151015202530
Clearer (%)Cloudier (%)
11189
21189
31189
41288
51288
61288
71288
81288
91288
101288
111387
121486
131486
141585
151585
161684
171684
181684
191684
201684
211684
221783
231882
241981
251981
261981
272278
282278
292377
302476

Chance of precipitation in September

Any precipitation

Zacapu gets around 288 mm of rain over 23.9 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 78% and peaks near 88% on the wettest days. The odds ease toward the end of the month.

0%20%40%60%80%100%151015202530
Rain chance (%)
188
288
387
487
587
686
786
886
985
1085
1184
1283
1383
1482
1581
1680
1779
1878
1977
2076
2175
2274
2372
2471
2569
2667
2766
2864
2963
3062

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 67% of days. It rarely turns muggy — the humid and sticky bands barely register.

0%25%50%75%100%151015202530
Dry (%)Comfortable (%)
12377
22377
32377
42476
52476
62575
72575
82674
92773
102872
112872
122971
132971
143070
153169
163169
173268
183268
193367
203466
213565
223664
233862
244060
254159
264357
274555
284753
294951
305149

Wind in September

Winds average 5 km/h in September.

Across September, daily wind ranges from about 4 km/h on the calmest days to 5 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
165calm
175calm
185calm
195calm
205calm
215calm
225calm
235calm
245calm
255calm
265calm
275calm
285calm
295calm
305calm

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 6:35 AM to 6:41 AM, and sunset from 6:59 PM to 6:32 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202530
Daylight (h)Sunrise (AM)Sunset (PM)
112.46:356:59
212.46:356:58
312.46:356:57
412.36:366:56
512.36:366:55
612.36:366:54
712.36:366:53
812.36:366:52
912.26:376:51
1012.26:376:51
1112.26:376:50
1212.26:376:49
1312.26:386:48
1412.16:386:47
1512.16:386:46
1612.16:386:45
1712.16:386:44
1812.16:396:43
1912.16:396:42
2012.06:396:41
2112.06:396:40
2212.06:396:39
2312.06:406:38
2412.06:406:37
2511.96:406:36
2611.96:406:35
2711.96:416:34
2811.96:416:34
2911.96:416:33
3011.86:416:32

Solar energy in September

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in September, about 4.92 kWh/m².

For context, solar energy here swings from a low near 4.8 kWh/m² to a high of 7.35 kWh/m² in April across the year — September's 4.92 kWh/m² sits near the bottom.

0246151015202530
Solar energy (kWh/m²)Level
15.0Bright
25.0Bright
35.0Bright
45.0Bright
55.0Bright
65.0Bright
75.0Bright
85.0Bright
95.0Bright
105.0Bright
115.0Bright
125.0Bright
135.0Bright
145.0Bright
155.0Bright
165.0Bright
174.9Bright
184.9Bright
194.9Bright
204.9Bright
214.9Bright
224.9Bright
234.9Bright
244.9Bright
254.9Bright
264.9Bright
274.9Bright
284.9Bright
294.9Bright
304.9Bright
Planning a trip in September

Hazard calendar for Zacapu

In seasonPeak

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

Zacapu'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 Zacapu?

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

4.3
Sightseeing
10th-best month of the year
3.1
Beach & pool
10th-best month of the year

September is a reasonable time to visit Zacapu for sightseeing.

What to pack for Zacapu in September

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

In September, Zacapu sees daytime highs around 22°C and nights near 12°C. Pack rain gear. Worth having: light clothes and sun protection. About 24 days see rain.

rain gearlight clothessun protection

UV index in Zacapu 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 Zacapu 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
Feb11Extreme
Mar14Extreme
Apr13Extreme
May13Extreme
Jun14Extreme
Jul12Extreme
Aug13Extreme
Sep11Extreme
Oct11Extreme
Nov8Very high
Dec7Very high

Air quality in Zacapu 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 Zacapu is worst in May — around 32 µg/m³ PM2.5 (moderate), about 2.5× the cleanest month (February, 13 µg/m³).

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

010203040JanFebMarAprMayJunJulAugSepOctNovDecModerateMay 1031 µg/m³Feb 1613 µg/m³
PM2.5 (µg/m³)Level
Jan15Moderate
Feb13Moderate
Mar15Moderate
Apr31Moderate
May32Moderate
Jun17Moderate
Jul16Moderate
Aug15Moderate
Sep16Moderate
Oct15Moderate
Nov15Moderate
Dec18Moderate
Location & terrain

Where is Zacapu?

Zacapu sits at 19.8°N, 101.8°W, 1,982 m above sea level, in Mexico. The nearest listed city is Purépero de Echáiz, 25 km away.

Topography around Zacapu

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

Within 3 km, the terrain around Zacapu has only modest variations in elevation — a maximum elevation change of 207 m around an average of 2,027 m above sea level; within 16 km, very significant variations in elevation — a maximum elevation change of 1,493 m; within 80 km, extreme variations in elevation — a maximum elevation change of 3,428 m.

The land around Zacapu is covered by trees (32%), artificial surfaces (24%) and grassland (22%) within 3 km, trees (40%), grassland (28%) and cropland (26%) within 16 km, and trees (45%) and cropland (23%) within 80 km.

3 km
207 m
16 km
1,493 m
80 km
3,428 m
treesshrubsgrasslandcroplandartificial surfacesbare terrainwater
September weather nearby: Purépero de Echáiz 25 km · Paracho de Verduzco 33 km · Pátzcuaro 39 km · Puruándiro 42 km · Tangancícuaro de Arista 44 km · Uruapan 52 km · Zamora de Hidalgo 55 km · Jacona de Plancarte 56 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 Zacapu (19.8152°, -101.792°, elevation 1,982 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).