Comitán in Fall
In fall (September, October and November), Comitán sees average daytime highs around 25°C and overnight lows near 16°C, with 615 mm of rain over about 48 wet days across the season. It is the coldest season of the year and the 2nd-wettest season.
Across fall, daytime highs hold fairly steady around 25°C. The sky is clear or mostly clear about 24% of the time across fall, and the air most often feels humid.
Fall is Comitán's 3rd-best season to visit on our travel score. For the whole year in context, see Comitán's year-round climate.
- Avg daytime high
- 25°C
- coldest season of the year
- Avg overnight low
- 16°C
- Rainfall
- 615 mm
- 48 wet days
- Avg wind
- 5 km/h
- Travel score
- 5.8
- 3rd-best season
- Months
- Sep · Oct · Nov
Temperature in Comitán in Fall
Across fall, daytime highs hold fairly steady around 25°C.
A typical fall day in Comitán reaches about 25°C and drops to 16°C overnight. The warmest of the three months is September, the coolest November.
Comitán weather by month
How the three fall months (September, October and November) compare with the rest of the year — the season's months are highlighted.
| Month | High / Low (°C) | Rainfall (mm) | Wet days | Daylight (hours) | Travel score |
|---|---|---|---|---|---|
| Jan | 25° / 14° | 7 | 1.2 | 11.1 | 8.9 |
| Feb | 27° / 14° | 3 | 0.5 | 11.5 | 8.7 |
| Mar | 29° / 15° | 9 | 2 | 11.9 | 7.5 |
| Apr | 29° / 17° | 35 | 6.1 | 12.4 | 6.0 |
| May | 28° / 18° | 154 | 16.8 | 12.7 | 5.0 |
| Jun | 26° / 18° | 288 | 22.7 | 12.9 | 4.5 |
| Jul | 27° / 17° | 128 | 13.8 | 12.9 | 5.7 |
| Aug | 27° / 17° | 222 | 17.4 | 12.5 | 5.2 |
| Sep | 26° / 17° | 355 | 23.8 | 12.1 | 4.3 |
| Oct | 25° / 17° | 218 | 18 | 11.6 | 5.5 |
| Nov | 25° / 15° | 42 | 6.4 | 11.2 | 7.7 |
| Dec | 25° / 14° | 10 | 1.8 | 11.1 | 8.7 |
Cloud cover in Fall
The sky is clear or mostly clear about 24% of the time across fall.
Chance of precipitation in Fall
Comitán gets around 615 mm of rain over 48 wet days across fall. The line is the day-by-day chance of measurable precipitation.
Humidity in Fall
Most of fall feels humid — the stacked bands show each day's mix of comfort levels, read off the dew point.
Wind in Fall
Winds average 5 km/h across fall.
Sunrise & sunset in Fall
Daylight runs from about 12 h 18 min in early September to 11 h 06 min by late November. The lit band spans sunrise to sunset each day.
Solar energy in Fall
Average shortwave solar energy reaching the ground each day across fall, about 4.9 kWh/m².
Hazard calendar for Comitán
In fall, Comitán overlaps its monsoon season. The full year is below, with each hazard's peak months called out.
Comitán's monsoon runs August–October, when most of the year's rain falls.
Is fall a good time to visit Comitán?
Our two travel scores rate fall for general sightseeing and for beach or pool weather — 0 (poor) to 10 (ideal), averaged across the three months.
fall is a reasonable time to visit Comitán for sightseeing.
What to pack for Comitán in Fall
From fall's temperature range, rain chance, sun and wind — what's worth putting in the bag.
In fall, Comitán sees daytime highs around 25°C and nights near 16°C. Pack rain gear. Worth having: light clothes and sun protection. About 48 days see rain.
UV index in Comitán in Fall
Clear-sky midday UV across fall averages 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 Comitán 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.
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| UV index (midday) | 10 | 13 | 14 | 15 | 11 | 14 | 13 | 14 | 13 | 12 | 9 | 9 |
| Level | Very high | Extreme | Extreme | Extreme | Extreme | Extreme | Extreme | Extreme | Extreme | Extreme | Very high | Very high |
| UV index (midday) | Level | |
|---|---|---|
| Jan | 10 | Very high |
| Feb | 13 | Extreme |
| Mar | 14 | Extreme |
| Apr | 15 | Extreme |
| May | 11 | Extreme |
| Jun | 14 | Extreme |
| Jul | 13 | Extreme |
| Aug | 14 | Extreme |
| Sep | 13 | Extreme |
| Oct | 12 | Extreme |
| Nov | 9 | Very high |
| Dec | 9 | Very high |
Air quality in Comitán in Fall
Average fine-particle pollution (PM2.5) through the year — so you can see where fall falls, not just the annual average.
Air quality in Comitán 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).
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| PM2.5 (µg/m³) | 10 | 16 | 33 | 57 | 45 | 19 | 20 | 17 | 16 | 13 | 11 | 9 |
| Level | Good | Moderate | Moderate | Unhealthy | Poor | Moderate | Moderate | Moderate | Moderate | Moderate | Good | Good |
| PM2.5 (µg/m³) | Level | |
|---|---|---|
| Jan | 10 | Good |
| Feb | 16 | Moderate |
| Mar | 33 | Moderate |
| Apr | 57 | Unhealthy |
| May | 45 | Poor |
| Jun | 19 | Moderate |
| Jul | 20 | Moderate |
| Aug | 17 | Moderate |
| Sep | 16 | Moderate |
| Oct | 13 | Moderate |
| Nov | 11 | Good |
| Dec | 9 | Good |
Where is Comitán?
Comitán sits at 16.2°N, 92.1°W, 1,655 m above sea level, in Mexico. The nearest listed city is Las Margaritas, 18 km away.
Topography around Comitán
How much the land rises and falls, and what covers it, within 3, 16 and 80 km of Comitán.
Within 3 km, the terrain around Comitán has significant variations in elevation — a maximum elevation change of 333 m around an average of 1,643 m above sea level; within 16 km, very significant variations in elevation — a maximum elevation change of 1,658 m; within 80 km, extreme variations in elevation — a maximum elevation change of 2,997 m.
The land around Comitán is covered by artificial surfaces (58%) within 3 km, trees (51%) and grassland (30%) within 16 km, and trees (66%) and grassland (22%) within 80 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
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 Comitán (16.24°, -92.1367°, elevation 1,655 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.