San Cristóbal de las Casas weather in September
In September, San Cristóbal de las Casas sees average daytime highs of 25°C and overnight lows near 16°C, with 429 mm of rain across 26.3 wet days and about 12.1 hours of daylight. It is the 8th-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 5% 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 San Cristóbal de las Casas's 12th-clearest and 11th-windiest month. For the whole year in context, see San Cristóbal de las Casas's year-round climate.
- Daytime high
- 25°
- 8th warmest
- Overnight low
- 16°
- 10th coldest
- Rainfall
- 429 mm
- 26.3 wet days
- Daylight
- 12 h 06 min
- 6:02 AM – 6:08 PM
- Cloud cover
- 84%
- 12th clearest
- Wind
- 4 km/h
- 11th windiest
- Solar energy
- 4.85 kWh/m²
- Travel score
- 4.1
- out of 10
San Cristóbal de las Casas is municipal seat of San Cristóbal, State of Chiapas, Mexico.
- Founded
- 1528
Air quality: WHO Ambient Air Quality Database. Density & description: Wikidata (CC0), GeoNames.
Temperature in September
Day-to-day highs hold fairly steady near 25°C through the month.
A typical September day in San Cristóbal de las Casas 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 26°C. Set against its neighbours, September runs about 1°C cooler than August and on par with October.
| 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 | 11 | 12 | 13 | 14 | 15 | 16 | 17 | 18 | 19 | 20 | 21 | 22 | 23 | 24 | 25 | 26 | 27 | 28 | 29 | 30 | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Avg high (°C) | 25 | 25 | 25 | 25 | 25 | 25 | 25 | 25 | 25 | 25 | 25 | 25 | 25 | 25 | 25 | 25 | 25 | 25 | 25 | 25 | 24 | 24 | 24 | 24 | 24 | 24 | 24 | 24 | 24 | 24 |
| Avg low (°C) | 16 | 16 | 16 | 16 | 16 | 16 | 16 | 16 | 16 | 16 | 16 | 16 | 16 | 16 | 16 | 16 | 16 | 16 | 16 | 16 | 16 | 16 | 16 | 16 | 16 | 16 | 16 | 16 | 16 | 16 |
| Avg high (°C) | Avg low (°C) | |
|---|---|---|
| 1 | 25 | 16 |
| 2 | 25 | 16 |
| 3 | 25 | 16 |
| 4 | 25 | 16 |
| 5 | 25 | 16 |
| 6 | 25 | 16 |
| 7 | 25 | 16 |
| 8 | 25 | 16 |
| 9 | 25 | 16 |
| 10 | 25 | 16 |
| 11 | 25 | 16 |
| 12 | 25 | 16 |
| 13 | 25 | 16 |
| 14 | 25 | 16 |
| 15 | 25 | 16 |
| 16 | 25 | 16 |
| 17 | 25 | 16 |
| 18 | 25 | 16 |
| 19 | 25 | 16 |
| 20 | 25 | 16 |
| 21 | 24 | 16 |
| 22 | 24 | 16 |
| 23 | 24 | 16 |
| 24 | 24 | 16 |
| 25 | 24 | 16 |
| 26 | 24 | 16 |
| 27 | 24 | 16 |
| 28 | 24 | 16 |
| 29 | 24 | 16 |
| 30 | 24 | 16 |
San Cristóbal de las Casas weather by month
How September compares with the rest of the year at a glance. September is the 8th-warmest and 2nd-wettest month here — the current month is highlighted below.
| Month | High / Low (°C) | Rainfall (mm) | Wet days | Daylight (hours) | Travel score |
|---|---|---|---|---|---|
| Jan | 24° / 12° | 12 | 2.6 | 11.1 | 8.6 |
| Feb | 26° / 13° | 7 | 1.7 | 11.4 | 8.5 |
| Mar | 27° / 14° | 18 | 3.7 | 11.9 | 7.8 |
| Apr | 28° / 15° | 50 | 8.6 | 12.4 | 6.7 |
| May | 27° / 16° | 223 | 19.2 | 12.8 | 5.1 |
| Jun | 25° / 16° | 486 | 25.7 | 13 | 4.1 |
| Jul | 25° / 16° | 300 | 21.6 | 12.9 | 4.8 |
| Aug | 25° / 16° | 363 | 23.2 | 12.6 | 4.6 |
| Sep | 25° / 16° | 429 | 26.3 | 12.1 | 4.1 |
| Oct | 24° / 15° | 230 | 18.1 | 11.6 | 5.5 |
| Nov | 24° / 14° | 58 | 7.9 | 11.2 | 7.5 |
| Dec | 24° / 13° | 18 | 2.6 | 11 | 8.5 |
Cloud cover in September
The sky is clear or mostly clear about 5% of the time in September, the cloudiest month of the year.
Beyond those clear spells, partly cloudy skies cover about 8% of September, with mostly cloudy or overcast conditions the remaining 88%.
| 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 | 11 | 12 | 13 | 14 | 15 | 16 | 17 | 18 | 19 | 20 | 21 | 22 | 23 | 24 | 25 | 26 | 27 | 28 | 29 | 30 | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Clearer (%) | 14 | 14 | 13 | 13 | 13 | 12 | 12 | 12 | 12 | 12 | 12 | 12 | 12 | 12 | 12 | 12 | 12 | 12 | 12 | 12 | 12 | 12 | 12 | 13 | 13 | 13 | 13 | 14 | 16 | 16 |
| Cloudier (%) | 86 | 86 | 87 | 87 | 87 | 88 | 88 | 88 | 88 | 88 | 88 | 88 | 88 | 88 | 88 | 88 | 88 | 88 | 88 | 88 | 88 | 88 | 88 | 87 | 87 | 87 | 87 | 86 | 84 | 84 |
| Clearer (%) | Cloudier (%) | |
|---|---|---|
| 1 | 14 | 86 |
| 2 | 14 | 86 |
| 3 | 13 | 87 |
| 4 | 13 | 87 |
| 5 | 13 | 87 |
| 6 | 12 | 88 |
| 7 | 12 | 88 |
| 8 | 12 | 88 |
| 9 | 12 | 88 |
| 10 | 12 | 88 |
| 11 | 12 | 88 |
| 12 | 12 | 88 |
| 13 | 12 | 88 |
| 14 | 12 | 88 |
| 15 | 12 | 88 |
| 16 | 12 | 88 |
| 17 | 12 | 88 |
| 18 | 12 | 88 |
| 19 | 12 | 88 |
| 20 | 12 | 88 |
| 21 | 12 | 88 |
| 22 | 12 | 88 |
| 23 | 12 | 88 |
| 24 | 13 | 87 |
| 25 | 13 | 87 |
| 26 | 13 | 87 |
| 27 | 13 | 87 |
| 28 | 14 | 86 |
| 29 | 16 | 84 |
| 30 | 16 | 84 |
Chance of precipitation in September
San Cristóbal de las Casas gets around 429 mm of rain over 26.3 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 86% and peaks near 88% on the wettest days.
| 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 | 11 | 12 | 13 | 14 | 15 | 16 | 17 | 18 | 19 | 20 | 21 | 22 | 23 | 24 | 25 | 26 | 27 | 28 | 29 | 30 | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Rain chance (%) | 87 | 87 | 87 | 88 | 88 | 88 | 87 | 87 | 87 | 87 | 86 | 86 | 86 | 86 | 86 | 86 | 87 | 87 | 87 | 87 | 87 | 87 | 87 | 87 | 86 | 86 | 85 | 84 | 83 | 81 |
| Rain chance (%) | |
|---|---|
| 1 | 87 |
| 2 | 87 |
| 3 | 87 |
| 4 | 88 |
| 5 | 88 |
| 6 | 88 |
| 7 | 87 |
| 8 | 87 |
| 9 | 87 |
| 10 | 87 |
| 11 | 86 |
| 12 | 86 |
| 13 | 86 |
| 14 | 86 |
| 15 | 86 |
| 16 | 86 |
| 17 | 87 |
| 18 | 87 |
| 19 | 87 |
| 20 | 87 |
| 21 | 87 |
| 22 | 87 |
| 23 | 87 |
| 24 | 87 |
| 25 | 86 |
| 26 | 86 |
| 27 | 85 |
| 28 | 84 |
| 29 | 83 |
| 30 | 81 |
Humidity in September
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 86% of days. It rarely turns muggy — the humid and sticky bands barely register.
| 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 | 11 | 12 | 13 | 14 | 15 | 16 | 17 | 18 | 19 | 20 | 21 | 22 | 23 | 24 | 25 | 26 | 27 | 28 | 29 | 30 | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Dry (%) | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 1 | 1 | 1 | 1 | 2 |
| Comfortable (%) | 16 | 15 | 14 | 14 | 13 | 13 | 13 | 13 | 12 | 12 | 12 | 12 | 12 | 12 | 12 | 12 | 12 | 11 | 11 | 11 | 11 | 11 | 11 | 11 | 12 | 12 | 12 | 13 | 13 | 14 |
| Humid (%) | 82 | 83 | 84 | 84 | 85 | 85 | 85 | 85 | 86 | 86 | 86 | 86 | 86 | 86 | 87 | 87 | 87 | 88 | 88 | 88 | 88 | 88 | 88 | 88 | 86 | 86 | 86 | 85 | 85 | 83 |
| Muggy (%) | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 |
| Dry (%) | Comfortable (%) | Humid (%) | Muggy (%) | |
|---|---|---|---|---|
| 1 | 1 | 16 | 82 | 1 |
| 2 | 1 | 15 | 83 | 1 |
| 3 | 1 | 14 | 84 | 1 |
| 4 | 1 | 14 | 84 | 1 |
| 5 | 1 | 13 | 85 | 1 |
| 6 | 1 | 13 | 85 | 1 |
| 7 | 1 | 13 | 85 | 1 |
| 8 | 1 | 13 | 85 | 1 |
| 9 | 1 | 12 | 86 | 1 |
| 10 | 1 | 12 | 86 | 1 |
| 11 | 1 | 12 | 86 | 1 |
| 12 | 1 | 12 | 86 | 1 |
| 13 | 1 | 12 | 86 | 1 |
| 14 | 1 | 12 | 86 | 1 |
| 15 | 0 | 12 | 87 | 1 |
| 16 | 0 | 12 | 87 | 1 |
| 17 | 0 | 12 | 87 | 1 |
| 18 | 0 | 11 | 88 | 1 |
| 19 | 0 | 11 | 88 | 1 |
| 20 | 0 | 11 | 88 | 1 |
| 21 | 0 | 11 | 88 | 1 |
| 22 | 0 | 11 | 88 | 1 |
| 23 | 0 | 11 | 88 | 1 |
| 24 | 0 | 11 | 88 | 1 |
| 25 | 1 | 12 | 86 | 1 |
| 26 | 1 | 12 | 86 | 1 |
| 27 | 1 | 12 | 86 | 1 |
| 28 | 1 | 13 | 85 | 1 |
| 29 | 1 | 13 | 85 | 1 |
| 30 | 2 | 14 | 83 | 1 |
Wind in September
Winds average 4 km/h in September.
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.
| 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 | 11 | 12 | 13 | 14 | 15 | 16 | 17 | 18 | 19 | 20 | 21 | 22 | 23 | 24 | 25 | 26 | 27 | 28 | 29 | 30 | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Wind speed (km/h) | 4 | 4 | 4 | 4 | 4 | 4 | 4 | 4 | 4 | 4 | 4 | 4 | 4 | 4 | 4 | 4 | 4 | 4 | 4 | 4 | 4 | 4 | 4 | 4 | 4 | 4 | 4 | 4 | 4 | 4 |
| Feels | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm |
| Wind speed (km/h) | Feels | |
|---|---|---|
| 1 | 4 | calm |
| 2 | 4 | calm |
| 3 | 4 | calm |
| 4 | 4 | calm |
| 5 | 4 | calm |
| 6 | 4 | calm |
| 7 | 4 | calm |
| 8 | 4 | calm |
| 9 | 4 | calm |
| 10 | 4 | calm |
| 11 | 4 | calm |
| 12 | 4 | calm |
| 13 | 4 | calm |
| 14 | 4 | calm |
| 15 | 4 | calm |
| 16 | 4 | calm |
| 17 | 4 | calm |
| 18 | 4 | calm |
| 19 | 4 | calm |
| 20 | 4 | calm |
| 21 | 4 | calm |
| 22 | 4 | calm |
| 23 | 4 | calm |
| 24 | 4 | calm |
| 25 | 4 | calm |
| 26 | 4 | calm |
| 27 | 4 | calm |
| 28 | 4 | calm |
| 29 | 4 | calm |
| 30 | 4 | calm |
Sunrise & sunset in September
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 6:00 AM to 6:04 AM, and sunset from 6:20 PM to 5:56 PM.
| 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 | 11 | 12 | 13 | 14 | 15 | 16 | 17 | 18 | 19 | 20 | 21 | 22 | 23 | 24 | 25 | 26 | 27 | 28 | 29 | 30 | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Daylight (h) | 12.3 | 12.3 | 12.3 | 12.3 | 12.3 | 12.3 | 12.2 | 12.2 | 12.2 | 12.2 | 12.2 | 12.2 | 12.1 | 12.1 | 12.1 | 12.1 | 12.1 | 12.1 | 12.0 | 12.0 | 12.0 | 12.0 | 12.0 | 12.0 | 11.9 | 11.9 | 11.9 | 11.9 | 11.9 | 11.9 |
| Sunrise (AM) | 6:00 | 6:00 | 6:01 | 6:01 | 6:01 | 6:01 | 6:01 | 6:01 | 6:01 | 6:01 | 6:02 | 6:02 | 6:02 | 6:02 | 6:02 | 6:02 | 6:02 | 6:02 | 6:02 | 6:03 | 6:03 | 6:03 | 6:03 | 6:03 | 6:03 | 6:03 | 6:03 | 6:04 | 6:04 | 6:04 |
| Sunset (PM) | 6:20 | 6:19 | 6:19 | 6:18 | 6:17 | 6:16 | 6:15 | 6:14 | 6:14 | 6:13 | 6:12 | 6:11 | 6:10 | 6:09 | 6:09 | 6:08 | 6:07 | 6:06 | 6:05 | 6:04 | 6:03 | 6:03 | 6:02 | 6:01 | 6:00 | 5:59 | 5:58 | 5:58 | 5:57 | 5:56 |
| Daylight (h) | Sunrise (AM) | Sunset (PM) | |
|---|---|---|---|
| 1 | 12.3 | 6:00 | 6:20 |
| 2 | 12.3 | 6:00 | 6:19 |
| 3 | 12.3 | 6:01 | 6:19 |
| 4 | 12.3 | 6:01 | 6:18 |
| 5 | 12.3 | 6:01 | 6:17 |
| 6 | 12.3 | 6:01 | 6:16 |
| 7 | 12.2 | 6:01 | 6:15 |
| 8 | 12.2 | 6:01 | 6:14 |
| 9 | 12.2 | 6:01 | 6:14 |
| 10 | 12.2 | 6:01 | 6:13 |
| 11 | 12.2 | 6:02 | 6:12 |
| 12 | 12.2 | 6:02 | 6:11 |
| 13 | 12.1 | 6:02 | 6:10 |
| 14 | 12.1 | 6:02 | 6:09 |
| 15 | 12.1 | 6:02 | 6:09 |
| 16 | 12.1 | 6:02 | 6:08 |
| 17 | 12.1 | 6:02 | 6:07 |
| 18 | 12.1 | 6:02 | 6:06 |
| 19 | 12.0 | 6:02 | 6:05 |
| 20 | 12.0 | 6:03 | 6:04 |
| 21 | 12.0 | 6:03 | 6:03 |
| 22 | 12.0 | 6:03 | 6:03 |
| 23 | 12.0 | 6:03 | 6:02 |
| 24 | 12.0 | 6:03 | 6:01 |
| 25 | 11.9 | 6:03 | 6:00 |
| 26 | 11.9 | 6:03 | 5:59 |
| 27 | 11.9 | 6:03 | 5:58 |
| 28 | 11.9 | 6:04 | 5:58 |
| 29 | 11.9 | 6:04 | 5:57 |
| 30 | 11.9 | 6:04 | 5:56 |
Solar energy in September
Average shortwave solar energy reaching the ground each day in September, about 4.85 kWh/m².
For context, solar energy here swings from a low near 4.57 kWh/m² to a high of 6.65 kWh/m² in April across the year — September's 4.85 kWh/m² falls in the middle.
| 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 | 11 | 12 | 13 | 14 | 15 | 16 | 17 | 18 | 19 | 20 | 21 | 22 | 23 | 24 | 25 | 26 | 27 | 28 | 29 | 30 | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Solar energy (kWh/m²) | 5.2 | 5.2 | 5.2 | 5.2 | 5.2 | 5.1 | 5.1 | 5.1 | 5.1 | 5.1 | 5.1 | 5.0 | 5.0 | 5.0 | 5.0 | 4.9 | 4.9 | 4.9 | 4.8 | 4.8 | 4.8 | 4.7 | 4.7 | 4.6 | 4.6 | 4.6 | 4.6 | 4.5 | 4.5 | 4.5 |
| Level | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright |
| Solar energy (kWh/m²) | Level | |
|---|---|---|
| 1 | 5.2 | Bright |
| 2 | 5.2 | Bright |
| 3 | 5.2 | Bright |
| 4 | 5.2 | Bright |
| 5 | 5.2 | Bright |
| 6 | 5.1 | Bright |
| 7 | 5.1 | Bright |
| 8 | 5.1 | Bright |
| 9 | 5.1 | Bright |
| 10 | 5.1 | Bright |
| 11 | 5.1 | Bright |
| 12 | 5.0 | Bright |
| 13 | 5.0 | Bright |
| 14 | 5.0 | Bright |
| 15 | 5.0 | Bright |
| 16 | 4.9 | Bright |
| 17 | 4.9 | Bright |
| 18 | 4.9 | Bright |
| 19 | 4.8 | Bright |
| 20 | 4.8 | Bright |
| 21 | 4.8 | Bright |
| 22 | 4.7 | Bright |
| 23 | 4.7 | Bright |
| 24 | 4.6 | Bright |
| 25 | 4.6 | Bright |
| 26 | 4.6 | Bright |
| 27 | 4.6 | Bright |
| 28 | 4.5 | Bright |
| 29 | 4.5 | Bright |
| 30 | 4.5 | Bright |
Hazard calendar for San Cristóbal de las Casas
In September, San Cristóbal de las Casas sits inside its monsoon season. The full year is below, with each hazard's peak months called out.
San Cristóbal de las Casas's monsoon runs May–October, when most of the year's rain falls.
Is September a good time to visit San Cristóbal de las Casas?
Our two travel scores rate September for general sightseeing and for beach or pool weather — 0 (poor) to 10 (ideal).
September is a reasonable time to visit San Cristóbal de las Casas for sightseeing.
What to pack for San Cristóbal de las Casas in September
From September's temperature range, rain chance, sun and wind — what's worth putting in the bag.
In September, San Cristóbal de las Casas sees daytime highs around 25°C and nights near 16°C. Pack rain gear. Worth having: light clothes and sun protection. About 26 days see rain.
UV index in San Cristóbal de las Casas in September
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 San Cristóbal de las Casas peaks around April 12 at about 14 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near December 17 at about 8 (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) | 9 | 13 | 14 | 14 | 11 | 14 | 13 | 13 | 13 | 11 | 9 | 8 |
| Level | Very high | Extreme | Extreme | Extreme | Extreme | Extreme | Extreme | Extreme | Extreme | Extreme | Very high | Very high |
| UV index (midday) | Level | |
|---|---|---|
| Jan | 9 | Very high |
| Feb | 13 | Extreme |
| Mar | 14 | Extreme |
| Apr | 14 | Extreme |
| May | 11 | Extreme |
| Jun | 14 | Extreme |
| Jul | 13 | Extreme |
| Aug | 13 | Extreme |
| Sep | 13 | Extreme |
| Oct | 11 | Extreme |
| Nov | 9 | Very high |
| Dec | 8 | Very high |
Air quality in San Cristóbal de las Casas in September
Average fine-particle pollution (PM2.5) through the year — so you can see where September falls, not just the annual average.
Air quality in San Cristóbal de las Casas is worst in April — around 38 µg/m³ PM2.5 (poor), about 3.1× the cleanest month (December, 12 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) | 13 | 21 | 27 | 38 | 37 | 21 | 24 | 20 | 19 | 15 | 13 | 12 |
| Level | Moderate | Moderate | Moderate | Poor | Poor | Moderate | Moderate | Moderate | Moderate | Moderate | Moderate | Moderate |
| PM2.5 (µg/m³) | Level | |
|---|---|---|
| Jan | 13 | Moderate |
| Feb | 21 | Moderate |
| Mar | 27 | Moderate |
| Apr | 38 | Poor |
| May | 37 | Poor |
| Jun | 21 | Moderate |
| Jul | 24 | Moderate |
| Aug | 20 | Moderate |
| Sep | 19 | Moderate |
| Oct | 15 | Moderate |
| Nov | 13 | Moderate |
| Dec | 12 | Moderate |
Where is San Cristóbal de las Casas?
San Cristóbal de las Casas sits at 16.7°N, 92.6°W, 2,183 m above sea level, in Mexico. The nearest listed city is Teopisca, 27 km away.
Topography around San Cristóbal de las Casas
How much the land rises and falls, and what covers it, within 3, 16 and 80 km of San Cristóbal de las Casas.
Within 3 km, the terrain around San Cristóbal de las Casas has significant variations in elevation — a maximum elevation change of 392 m around an average of 2,158 m above sea level; within 16 km, very significant variations in elevation — a maximum elevation change of 2,344 m; within 80 km, extreme variations in elevation — a maximum elevation change of 2,842 m.
The land around San Cristóbal de las Casas is covered by artificial surfaces (60%) and trees (26%) within 3 km, trees (58%) and grassland (30%) within 16 km, and trees (62%) and grassland (27%) 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 San Cristóbal de las Casas (16.7301°, -92.6382°, elevation 2,183 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).