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
September
Weather in September
Temperature
The advent of September denotes an average high-temperature of a still warm 25°C (77°F), subtly different from August's 26.6°C (79.9°F). In Calmeca, September nights cool down to an average of 15.2°C (59.4°F).Humidity
With an average relative humidity of 81%, September is the most humid month in Calmeca.Rainfall
In Calmeca, in September, during 28.1 rainfall days, 202mm (7.95") of precipitation is typically accumulated. In Calmeca, Mexico, during the entire year, the rain falls for 196.6 days and collects up to 1124mm (44.25") of precipitation.Daylight
In September, the average length of the day is 12h and 14min.On the first day of September in Calmeca, sunrise is at 6:19 am and sunset at 6:48 pm. On the last day of the month, sunrise is at 6:25 am and sunset at 6:23 pm CST.
Sunshine
The average sunshine in September in Calmeca is 9h.UV index
The months with the lowest UV index are January, June, August through December, with an average maximum UV index of 5. A UV Index value of 3 to 5 symbolizes a moderate health risk from exposure to the Sun's UV rays for the ordinary person.Note: In September, the maximum UV index of 5 transforms into these recommendations:
Take heed. Individuals of lighter complexion can be burned in less than half an hour. Being exposed to the midday Sun can have harmful effects due to strong UV radiation; always take precautions. In the presence of strong sunlight, it's crucial to wear sunglasses that ward off UVA and UVB rays.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What are September temperatures in Calmeca?
What is the most humid month in Calmeca?
What is the average humidity in September in Calmeca?
How many days does it rain in September in Calmeca?
How many hours of daylight does Calmeca have in September?
When are sunrise and sunset in September in Calmeca?
How many hours of sunshine does Calmeca have in September?
When is the lowest UV index in Calmeca?
How high is the UV index in September in Calmeca?
Average temperature in September
Calmeca, Mexico
- Average high temperature in September: 25°C
The warmest month (with the highest average high temperature) is April (30.8°C).
The month with the lowest average high temperature is January (24.7°C).
- Average low temperature in September: 15.2°C
The month with the highest average low temperature is May (19.1°C).
The coldest month (with the lowest average low temperature) is January (12.3°C).
Average pressure in September
Calmeca, Mexico
- Average pressure in September: 1015.4mbar
The month with the highest atmospheric pressure is January (1017.9mbar).
The month with the lowest atmospheric pressure is May (1014.2mbar).
Average wind speed in September
Calmeca, Mexico
- Average wind speed in September: 5.2km/h
The windiest month (with the highest average wind speed) is March (7.8km/h).
The calmest month (with the lowest average wind speed) is September (5.2km/h).
Average humidity in September
Calmeca, Mexico
- Average humidity in September: 81%
The month with the highest relative humidity is September (81%).
The month with the lowest relative humidity is April (40%).
Average rainfall in September
Calmeca, Mexico
- Average rainfall in September: 202mm
The wettest month (with the highest rainfall) is June (213mm).
The driest month (with the least rainfall) is December (3mm).
Average rainfall days in September
Calmeca, Mexico
- Average rainfall days in September: 28.1 days
The month with the highest number of rainy days is August (29.4 days).
The month with the least rainy days is December (2.4 days).
Average daylight in September /
Average sunshine in September
Calmeca, Mexico
- Average daylight in September: 12h and 1min
The month with the longest days is June (Average daylight: 13h and 12min).
The month with the shortest days is December (Average daylight: 11h and 0min).
- Average sunshine in September: 9h and 0min
The month with the most sunshine is May (Average sunshine: 10h and 42min).
The month with the least sunshine is November (Average sunshine: 7h and 42min).
Average sunshine days in September
Calmeca, Mexico
- Average sunshine days in September: 0.7 days
The month with the most sunshine days is December (26.8 days).
The month with the least sunshine days is August (0.1 days).
Average UV index in September
Calmeca, Mexico
- Average UV index in September: 5
The months with the highest UV index are February, March, April, May and July (UV index 6).
The months with the lowest UV index are January, June, August, September, October, November and December (UV index 5).
Average cloud cover in September
Calmeca, Mexico
- Average cloud cover in September: 37
The month with the most cloud cover is September (Cloud cover 37).
The month with the least cloud cover is December (Cloud cover 9).
Average visibility in September
Calmeca, Mexico
- Average visibility in September: 9km
The months with the highest visibility are January, February, March, April, May, November and December (10km).
The months with the lowest visibility are June, July, August, September and October (9km).
