Contents
- Weather in September
- Frequently asked questions
- Average temperature in September
- Average pressure in September
- Average wind speed in September
- Average humidity in September
- Average rainfall in September
- Average rainfall days in September
- Average daylight in September
- Average sunshine in September
- Average sunshine days in September
- Average UV index in September
- Average cloud cover in September
- Average visibility in September
Weather in September
Temperature
The advent of September reveals an average high-temperature of a still warm 24.1°C (75.4°F), showing minimal difference from the prior month. Throughout September nights, San Cristóbal de las Casas experiences a consistent temperature average of 15.5°C (59.9°F).Humidity
With an average relative humidity of 88%, September is the most humid month in San Cristóbal de las Casas.Rainfall
In San Cristóbal de las Casas, during September, the rain falls for 28.5 days and regularly aggregates up to 276mm (10.87") of precipitation. Throughout the year, in San Cristóbal de las Casas, there are 249.8 rainfall days, and 1911mm (75.24") of precipitation is accumulated.Daylight
The average length of the day in September in San Cristóbal de las Casas, Mexico, is 12h and 13min.On the first day of September in San Cristóbal de las Casas, sunrise is at 5:57 am and sunset at 6:23 pm. On the last day of the month, sunrise is at 6:00 am and sunset at 5:59 pm CST.
Sunshine
The average sunshine in September is 8.4h.UV index
In San Cristóbal de las Casas, the average daily maximum UV index in September is 5. A UV Index value of 3 to 5 symbolizes a medium health hazard from unsafe exposure to UV radiation for the ordinary person.Note: A daily high UV index of 5 in September leads to these guidelines:
Heed the precautions - Protecting the skin and eyes from damage is compulsory. Limiting exposure to the direct Sun during midday hours can help prevent harmful UV radiation effects. Sunglasses that guard against UVA and UVB rays are pivotal in minimizing sun-induced ocular damage.
Frequently asked questions
What is the temperature in September in San Cristóbal de las Casas?
What is the most humid month in San Cristóbal de las Casas?
What is the average humidity in September in San Cristóbal de las Casas?
How many days does it rain in September in San Cristóbal de las Casas?
How many hours of daylight does San Cristóbal de las Casas have in September?
When are sunrise and sunset in September in San Cristóbal de las Casas?
How many hours of sunshine does San Cristóbal de las Casas have in September?
How high is the UV index in September in San Cristóbal de las Casas?
Average temperature in September
San Cristóbal de las Casas, Mexico
- Average high temperature in September: 24.1°C
The warmest month (with the highest average high temperature) is April (27.5°C).
The month with the lowest average high temperature is January (21.8°C).
- Average low temperature in September: 15.5°C
The month with the highest average low temperature is May (16.7°C).
The coldest month (with the lowest average low temperature) is January (11.5°C).
Average pressure in September
San Cristóbal de las Casas, Mexico
- Average pressure in September: 1012.4mbar
The month with the highest atmospheric pressure is January (1016.7mbar).
The month with the lowest atmospheric pressure is May (1011.9mbar).
Average wind speed in September
San Cristóbal de las Casas, Mexico
- Average wind speed in September: 3.2km/h
The windiest month (with the highest average wind speed) is January (4.7km/h).
The calmest month (with the lowest average wind speed) is September (3.2km/h).
Average humidity in September
San Cristóbal de las Casas, Mexico
- Average humidity in September: 88%
The month with the highest relative humidity is September (88%).
The month with the lowest relative humidity is April (68%).
Average rainfall in September
San Cristóbal de las Casas, Mexico
- Average rainfall in September: 276mm
The wettest month (with the highest rainfall) is June (359mm).
The driest month (with the least rainfall) is February (24mm).
Average rainfall days in September
San Cristóbal de las Casas, Mexico
- Average rainfall days in September: 28.5 days
The month with the highest number of rainy days is September (28.5 days).
The month with the least rainy days is December (12.5 days).
Average daylight in September /
Average sunshine in September
San Cristóbal de las Casas, Mexico
- Average daylight in September: 12h and 1min
The month with the longest days is June (Average daylight: 13h and 6min).
The month with the shortest days is December (Average daylight: 11h and 12min).
- Average sunshine in September: 8h and 2min
The month with the most sunshine is April (Average sunshine: 10h and 42min).
The month with the least sunshine is October (Average sunshine: 6h and 24min).
Average sunshine days in September
San Cristóbal de las Casas, Mexico
- Average sunshine days in September: 0.9 days
The month with the most sunshine days is December (14.7 days).
The month with the least sunshine days is September (0.9 days).
Average UV index in September
San Cristóbal de las Casas, Mexico
- Average UV index in September: 5
The months with the highest UV index are March and April (UV index 6).
The month with the lowest UV index is November (UV index 4).
Average cloud cover in September
San Cristóbal de las Casas, Mexico
- Average cloud cover in September: 54
The month with the most cloud cover is October (Cloud cover 55).
The month with the least cloud cover is March (Cloud cover 25).
Average visibility in September
San Cristóbal de las Casas, Mexico
- Average visibility in September: 7km
The months with the highest visibility are February, March, April and May (9km).
The month with the lowest visibility is October (6km).
San Cristóbal de las Casas, Mexico
Weather forecast for your location
2. Allow the app to use your location
