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
San Mateo Atenco's weather in September, with an average high-temperature of a still comfortable 18.2°C (64.8°F), subtly shifts from August's 18.8°C (65.8°F). An average temperature of 9.7°C (49.5°F) is recorded during the nights in September.Humidity
September is the most humid month, with an average relative humidity of 86%.Rainfall
In San Mateo Atenco, during September, the rain falls for 28 days and regularly aggregates up to 224mm (8.82") of precipitation. In San Mateo Atenco, Mexico, during the entire year, the rain falls for 211.5 days and collects up to 1407mm (55.39") of precipitation.Daylight
In September, the average length of the day is 12h and 14min.On the first day of the month, sunrise is at 6:23 am and sunset at 6:52 pm. On the last day of September, sunrise is at 6:28 am and sunset at 6:26 pm CST.
Sunshine
In San Mateo Atenco, the average sunshine in September is 8.3h.UV index
September and October, with an average maximum UV index of 3, are months with the lowest UV index. A UV Index estimate of 3 to 5 represents a moderate threat to health from unsafe exposure to UV radiation for ordinary individuals.Note: In September, the average maximum UV index of 3 translates into the following recommendations:
Undertake protective steps - Preventing sun damage is advised. When the Sun's UV radiation is most intense during midday, it's best to find shade and limit exposure. Combat UV radiation's detrimental effects with sun-safe clothing and UV-blocking eyewear.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What are the temperatures in San Mateo Atenco in September?
What is the most humid month in San Mateo Atenco?
What is the average humidity in September in San Mateo Atenco?
How much does it rain in San Mateo Atenco in September?
How many hours of daylight does San Mateo Atenco have in September?
When is the sunrise / sunset in September in San Mateo Atenco?
How long on average sun shines in September in San Mateo Atenco?
What are the months with the lowest UV index in San Mateo Atenco?
How high is the UV index in September in San Mateo Atenco?
Average temperature in September
San Mateo Atenco, Mexico
- Average high temperature in September: 18.2°C
The warmest month (with the highest average high temperature) is April (22.8°C).
The month with the lowest average high temperature is January (17.2°C).
- Average low temperature in September: 9.7°C
The month with the highest average low temperature is May (10.8°C).
The coldest month (with the lowest average low temperature) is January (4.9°C).
Average pressure in September
San Mateo Atenco, Mexico
- Average pressure in September: 1015.2mbar
The month with the highest atmospheric pressure is January (1017.7mbar).
The month with the lowest atmospheric pressure is May (1013.7mbar).
Average wind speed in September
San Mateo Atenco, Mexico
- Average wind speed in September: 5.1km/h
The windiest months (with the highest average wind speed) are March and April (6.8km/h).
The calmest month (with the lowest average wind speed) is July (4.4km/h).
Average humidity in September
San Mateo Atenco, Mexico
- Average humidity in September: 86%
The month with the highest relative humidity is September (86%).
The month with the lowest relative humidity is April (47%).
Average rainfall in September
San Mateo Atenco, Mexico
- Average rainfall in September: 224mm
The wettest month (with the highest rainfall) is July (301mm).
The driest month (with the least rainfall) is December (8mm).
Average rainfall days in September
San Mateo Atenco, Mexico
- Average rainfall days in September: 28 days
The month with the highest number of rainy days is August (30.8 days).
The month with the least rainy days is January (5.8 days).
Average daylight in September /
Average sunshine in September
San Mateo Atenco, Mexico
- Average daylight in September: 12h and 1min
The month with the longest days is June (Average daylight: 13h and 18min).
The month with the shortest days is December (Average daylight: 11h and 0min).
- Average sunshine in September: 8h and 2min
The month with the most sunshine is March (Average sunshine: 9h and 42min).
The month with the least sunshine is November (Average sunshine: 8h and 6min).
Average sunshine days in September
San Mateo Atenco, Mexico
- Average sunshine days in September: 1.1 days
The month with the most sunshine days is January (22.3 days).
The month with the least sunshine days is August (0.1 days).
Average UV index in September
San Mateo Atenco, Mexico
- Average UV index in September: 3
The months with the highest UV index are March and April (UV index 5).
The months with the lowest UV index are September and October (UV index 3).
Average cloud cover in September
San Mateo Atenco, Mexico
- Average cloud cover in September: 46
The month with the most cloud cover is September (Cloud cover 46).
The month with the least cloud cover is March (Cloud cover 12).
Average visibility in September
San Mateo Atenco, Mexico
- Average visibility in September: 7km
The months with the highest visibility are January, February, March, April, May and December (10km).
The month with the lowest visibility is September (7km).
