September weather forecastComitán, Mexico
September
Weather in September
The first month of the autumn, September, is also a moderately hot month in Comitán, Mexico, with an average temperature varying between 26.4°C (79.5°F) and 15.3°C (59.5°F).Temperature
Comitán's weather in September displays an average high-temperature of a still moderately hot 26.4°C (79.5°F), showing minor disparity from August's 27.3°C (81.1°F). Comitán, during the month of September, experiences an average low-temperature of 15.3°C (59.5°F).Humidity
The months with the highest humidity in Comitán are September and October, with an average relative humidity of 83%.Rainfall
In September, in Comitán, the rain falls for 26.6 days. Throughout September, 175mm (6.89") of precipitation is accumulated. In Comitán, during the entire year, the rain falls for 204.4 days and collects up to 1146mm (45.12") of precipitation.Daylight
In September, the average length of the day in Comitán is 12h and 13min.On the first day of September in Comitán, sunrise is at 5:55 am and sunset at 6:21 pm. On the last day of the month, sunrise is at 5:58 am and sunset at 5:58 pm CST.
Sunshine
The average sunshine in September is 9.9h.UV index
The months with the lowest UV index in Comitán are January, February, August through December, with an average maximum UV index of 5. A UV Index reading of 3 to 5 represents a moderate health risk from unsafe exposure to UV radiation for the ordinary person.Note: In September, a daily maximum UV index of 5 leads to the following instructions:
Exercise caution. Those with pale skin may experience burns in less than half an hour. The Sun's harshest UV rays are around midday; it's wise to seek shade and limit time outdoors. For minimizing sun-related eye damage, always choose sunglasses with UVA and UVB coverage.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Comitán, Mexico
- Average high temperature in September: 26.4°C
The warmest month (with the highest average high temperature) is April (29.6°C).
The month with the lowest average high temperature is January (23.7°C).
- Average low temperature in September: 15.3°C
The month with the highest average low temperature is May (17.1°C).
The coldest month (with the lowest average low temperature) is January (11.4°C).
Average pressure in September
Comitán, Mexico
- Average pressure in September: 1012.9mbar
The month with the highest atmospheric pressure is January (1016.7mbar).
The month with the lowest atmospheric pressure is May (1012.6mbar).
Average wind speed in September
Comitán, Mexico
- Average wind speed in September: 3.9km/h
The windiest month (with the highest average wind speed) is July (6.6km/h).
The calmest month (with the lowest average wind speed) is September (3.9km/h).
Average humidity in September
Comitán, Mexico
- Average humidity in September: 83%
The months with the highest relative humidity are September and October (83%).
The month with the lowest relative humidity is April (63%).
Average rainfall in September
Comitán, Mexico
- Average rainfall in September: 175mm
The wettest month (with the highest rainfall) is June (242mm).
The driest month (with the least rainfall) is December (10mm).
Average rainfall days in September
Comitán, Mexico
- Average rainfall days in September: 26.6 days
The month with the highest number of rainy days is September (26.6 days).
The month with the least rainy days is December (7.1 days).
Average daylight in September /
Average sunshine in September
Comitán, Mexico
- Average daylight in September: 12h and 12min
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: 9h and 54min
The month with the most sunshine is April (Average sunshine: 11h and 18min).
The month with the least sunshine is October (Average sunshine: 7h and 12min).
Average sunshine days in September
Comitán, Mexico
- Average sunshine days in September: 2.3 days
The month with the most sunshine days is December (18.8 days).
The month with the least sunshine days is September (2.3 days).
Average UV index in September
Comitán, Mexico
- Average UV index in September: 5
The months with the highest UV index are March, April, May, June and July (UV index 6).
The months with the lowest UV index are January, February, August, September, October, November and December (UV index 5).
Average cloud cover in September
Comitán, Mexico
- Average cloud cover in September: 44
The month with the most cloud cover is September (Cloud cover 44).
The month with the least cloud cover is March (Cloud cover 19).
Average visibility in September
Comitán, Mexico
- Average visibility in September: 8km
The months with the highest visibility are March and April (10km).
The months with the lowest visibility are August, September, October and November (8km).
