Las Margaritas weather in September

In September, Las Margaritas sees average daytime highs of 25°C and overnight lows near 16°C, with 231 mm of rain across 22.9 wet days and about 12.1 hours of daylight. It is the 6th-warmest and 2nd-wettest month of the year here.

Day-to-day highs hold fairly steady near 25°C through the month. The sky is clear or mostly clear about 7% of the time in September, and the air most often feels humid.

Daylight stretches from about 12 h 18 min at the start of September to 11 h 54 min by month's end. Set against the rest of the year, September is Las Margaritas's 11th-clearest and 12th-windiest month. For the whole year in context, see Las Margaritas's year-round climate.

Daytime high
25°
6th warmest
Overnight low
16°
11th coldest
Rainfall
231 mm
22.9 wet days
Daylight
12 h 06 min
6:00 AM – 6:05 PM
Cloud cover
79%
11th clearest
Wind
6 km/h
12th windiest
Solar energy
5.07 kWh/m²
Travel score
4.6
out of 10

Las Margaritas is municipal seat of Las Margaritas, State of Chiapas, Mexico.

Founded
1800

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 25°C through the month.

A typical September day in Las Margaritas reaches about 25°C in the afternoon and slips back to 16°C overnight — a 9°C spread between the day's warmth and the night's chill. On most days the high lands between 23°C and 27°C. Set against its neighbours, September runs on par with August and about 1°C warmer than October.

10°15°20°25°30°151015202530
Avg high (°C)Avg low (°C)
12516
22516
32516
42516
52516
62516
72516
82516
92516
102516
112516
122516
132516
142516
152516
162516
172516
182516
192516
202516
212516
222516
232516
242516
252416
262416
272416
282416
292416
302416

Las Margaritas weather by month

How September compares with the rest of the year at a glance. September is the 6th-warmest and 2nd-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysDaylight (hours)Travel score
Jan22° / 12°164.411.17.9
Feb24° / 12°123.511.58.4
Mar26° / 13°215.611.97.9
Apr27° / 14°5210.212.46.7
May26° / 16°14518.212.85.3
Jun25° / 16°24623.7134.5
Jul25° / 16°981712.95.6
Aug25° / 16°15820.412.55.1
Sep25° / 16°23122.912.14.6
Oct24° / 15°14416.911.65.7
Nov23° / 13°417.411.27.3
Dec22° / 12°174.2117.9

Cloud cover in September

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 7% of the time in September.

Beyond those clear spells, partly cloudy skies cover about 13% of September, with mostly cloudy or overcast conditions the remaining 80%.

0%25%50%75%100%151015202530
Clearer (%)Cloudier (%)
12377
22278
32278
42278
52278
62278
72278
82179
92179
102179
112179
122179
132179
142080
152080
161981
171981
181981
191981
201981
211882
221882
231882
241882
251882
261882
271783
281783
291882
301882

Chance of precipitation in September

Any precipitation

Las Margaritas gets around 231 mm of rain over 22.9 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 76% and peaks near 79% on the wettest days.

0%20%40%60%80%151015202530
Rain chance (%)
175
275
375
475
575
674
774
874
973
1073
1173
1273
1374
1474
1575
1675
1776
1876
1977
2078
2178
2278
2379
2479
2579
2678
2778
2877
2977
3076

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 66% of days. It rarely turns muggy — the humid and sticky bands barely register.

0%25%50%75%100%151015202530
Dry (%)Comfortable (%)Humid (%)
114059
213960
313960
413960
513960
613960
713960
803961
903961
1003862
1103862
1203763
1303664
1403565
1503565
1603466
1703268
1803169
1903070
2002971
2102971
2202872
2302773
2402773
2502773
2612673
2712673
2812673
2912772
3022771

Wind in September

Winds average 6 km/h in September, the calmest month.

Across September, daily wind ranges from about 6 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
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
306calm

Sunrise & sunset in September

DaylightNight

Daylight runs from about 12 h 18 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 24 minutes over September. Sunrise moves from 5:58 AM to 6:01 AM, and sunset from 6:17 PM to 5:53 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202530
Daylight (h)Sunrise (AM)Sunset (PM)
112.35:586:17
212.35:586:17
312.35:586:16
412.35:586:15
512.35:586:14
612.25:596:13
712.25:596:12
812.25:596:12
912.25:596:11
1012.25:596:10
1112.25:596:09
1212.25:596:08
1312.15:596:07
1412.15:596:07
1512.15:596:06
1612.16:006:05
1712.16:006:04
1812.16:006:03
1912.06:006:02
2012.06:006:02
2112.06:006:01
2212.06:006:00
2312.06:005:59
2412.06:005:58
2511.96:005:57
2611.96:015:57
2711.96:015:56
2811.96:015:55
2911.96:015:54
3011.96:015:53

Solar energy in September

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in September, about 5.07 kWh/m².

For context, solar energy here swings from a low near 4.57 kWh/m² to a high of 6.71 kWh/m² in April across the year — September's 5.07 kWh/m² falls in the middle.

0246151015202530
Solar energy (kWh/m²)Level
15.5Bright
25.5Bright
35.5Bright
45.4Bright
55.4Bright
65.4Bright
75.4Bright
85.3Bright
95.3Bright
105.3Bright
115.3Bright
125.3Bright
135.2Bright
145.2Bright
155.2Bright
165.1Bright
175.1Bright
185.1Bright
195.0Bright
205.0Bright
214.9Bright
224.9Bright
234.8Bright
244.8Bright
254.8Bright
264.8Bright
274.7Bright
284.7Bright
294.7Bright
304.7Bright
Planning a trip in September

Hazard calendar for Las Margaritas

In seasonPeak

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

Las Margaritas's monsoon runs May–June, 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 Las Margaritas?

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

4.6
Sightseeing
11th-best month of the year
4.1
Beach & pool
11th-best month of the year

September is a reasonable time to visit Las Margaritas for sightseeing.

What to pack for Las Margaritas in September

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

In September, Las Margaritas sees daytime highs around 25°C and nights near 16°C. Pack rain gear. Worth having: light clothes and sun protection. About 23 days see rain.

rain gearlight clothessun protection

UV index in Las Margaritas 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 Las Margaritas peaks around April 12 at about 14 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near December 16 at about 9 (very high).

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

025710JanFebMarAprMayJunJulAugSepOctNovDecExtremeVery highApr 12UV 14Dec 16UV 9
UV index (midday)Level
Jan10Very high
Feb13Extreme
Mar14Extreme
Apr15Extreme
May11Extreme
Jun14Extreme
Jul13Extreme
Aug14Extreme
Sep13Extreme
Oct12Extreme
Nov9Very high
Dec9Very high

Air quality in Las Margaritas 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 Las Margaritas is worst in April — around 57 µg/m³ PM2.5 (unhealthy), about 6.1× the cleanest month (December, 9 µg/m³).

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

0204060JanFebMarAprMayJunJulAugSepOctNovDecGoodModeratePoorModerateGoodApr 1955 µg/m³Dec 189 µg/m³
PM2.5 (µg/m³)Level
Jan10Good
Feb16Moderate
Mar33Moderate
Apr57Unhealthy
May45Poor
Jun19Moderate
Jul20Moderate
Aug17Moderate
Sep16Moderate
Oct13Moderate
Nov11Good
Dec9Good
Location & terrain

Where is Las Margaritas?

Las Margaritas sits at 16.3°N, 92.0°W, 1,513 m above sea level, in Mexico. The nearest listed city is Comitán, 18 km away.

Topography around Las Margaritas

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

Within 3 km, the terrain around Las Margaritas has only modest variations in elevation — a maximum elevation change of 182 m around an average of 1,543 m above sea level; within 16 km, large variations in elevation — a maximum elevation change of 906 m; within 80 km, extreme variations in elevation — a maximum elevation change of 3,128 m.

The land around Las Margaritas is covered by trees (41%) and grassland (34%) within 3 km, trees (46%) and grassland (38%) within 16 km, and trees (69%) and grassland (20%) within 80 km.

3 km
182 m
16 km
906 m
80 km
3,128 m
treesshrubsgrasslandcroplandartificial surfaceswater
September weather nearby: Comitán 18 km · Las Rosas 42 km · Teopisca 58 km · Venustiano Carranza 62 km · Ocosingo 67 km · Comalapa 75 km · Jacaltenango 77 km · San Cristóbal de las Casas 84 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 Las Margaritas (16.3128°, -91.9822°, elevation 1,513 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).