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MexicoThe weather in September in San Cristóbal de las Casas
It's warm in September in San Cristóbal de las Casas with an average temperature of 28°C. Temperatures this month range from a low of 27°C to a high of 30°C. At night, you can expect temperatures between 13°C and 14°C.
Looking for sun? September isn’t a good month to be in San Cristóbal de las Casas. The temperature is nice, but there’s too much chance of rain.
Average temperatures and precipitation
This chart shows the average daily maximum and minimum temperatures (in degrees Celsius) and precipitation (in millimeters) in September for San Cristóbal de las Casas, Mexico. A low precipitation value usually indicates little to no rainfall on that day in recent years, while a higher value suggests more frequent rainfall.
Temperature records
With 33°C in 2015, San Cristóbal de las Casas reached the highest temperature in September over the past 10 years. The lowest daytime temperature in this month was 19°C in 2022. The extreme nighttime temperatures ranged from a lowest recorded value of 5°C to a highest value of 17°C.
Rainfall amount
In September, there is an average of 206 mm of precipitation, spread over 22 days. The wind speed is around 3 Bft, mostly coming from the Southeast.
Daily weather in September for San Cristóbal de las Casas
Click on any day in September to get detailed info about the usual weather on that day in San Cristóbal de las Casas. Check out the historical temperatures and precipitation over the past 10 years on this day.
September weather comparison
| San Cristóbal de las Casas | New York | |
|---|---|---|
| Average temperature | 28°C | 27°C |
| Max. temperature | 30°C | 31°C |
| Min. temperature | 13°C | -5°C |
| Total precipitation | 206 mm | 57 mm |
| Rainy days | 22 days | 9 days |
Start of September
The month of September starts in San Cristóbal de las Casas with hot temps, averaging around 29°C during the day and nights around 14°C.
Mid September
By mid-September, daytime temps stay steady at around 29°C, with nights around 14°C. There’s a high chance of precipitation during this time.
End of September
By the end of September, the average daytime temperature in San Cristóbal de las Casas is around 29°C, while nighttime temps are about 14°C. There’s a significant chance of many days with precipitation.
Find affordable trips to San Cristóbal de las Casas
UV index
The UV index is a maximum of 9 this month. That's a very high value on the intensity scale of 1 to 11. Unprotected skin can burn within 10-15 minutes.
Check out the climate of San Cristóbal de las Casas for all months and discover the best travel time
Curious about the weather in other parts of Mexico? Check out the climate and weather for spots like Cancún, Mexico City, Playa del Carmen, or explore other destinations in Mexico.
Temperature charts
These charts show the average temperatures in September in San Cristóbal de las Casas, Mexico. The temperatures are shown in degrees Celsius and are calculated based on data from the past 10 years.
Daily Temperature in September in San Cristóbal de las Casas
Temperature in September in San Cristóbal de las Casas over the years
Precipitation charts
These charts show the average amount of precipitation in September in San Cristóbal de las Casas, Mexico. Precipitation is always measured as water, even when it falls as snow or hail The amount of precipitation is displayed in millimeters, while snowfall is shown in centimeters.
Daily Precipitation in September in San Cristóbal de las Casas
Total precipitation in September in San Cristóbal de las Casas over the years
Daily UV index in September in San Cristóbal de las Casas
This chart shows the average daily UV index in September in San Cristóbal de las Casas, with the UV index ranging from 0 to a maximum of 11. The bottom of the chart shows the days of the month. Based on historical data, this chart provides an idea of the daily UV radiation levels you can expect.
Weather experiences in September in San Cristóbal de las Casas
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Average weather in San Cristóbal de las Casas by month
Click on a month below to see detailed weather info for San Cristóbal de las Casas. Based on historical weather data, you can see the average temperature, precipitation, wind, and UV index for each day of the month.