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 signifies a minor shift to an average high-temperature of a still pleasant 20.5°C (68.9°F), aligning closely with August. In San Gregorio Atlapulco, an average nighttime temperature of 11.2°C (52.2°F) is expected during September.Humidity
The most humid month in San Gregorio Atlapulco is September, with an average relative humidity of 80%.Rainfall
In San Gregorio Atlapulco, in September, during 27.5 rainfall days, 174mm (6.85") of precipitation is typically accumulated. In San Gregorio Atlapulco, during the entire year, the rain falls for 195.2 days and collects up to 1088mm (42.83") of precipitation.Daylight
The average length of the day in September is 12h and 14min.On the first day of the month, sunrise is at 6:21 am and sunset at 6:50 pm. On the last day of September, in San Gregorio Atlapulco, Mexico, sunrise is at 6:26 am and sunset at 6:25 pm CST.
Sunshine
In September, the average sunshine is 9h.UV index
The months with the lowest UV index are January, August through December, with an average maximum UV index of 4. A UV Index reading of 3 to 5 represents a medium vulnerability from exposure to the Sun's UV rays for the average person.Note: The maximum daily UV index of 4 in September interprets into the following recommendations:
Proceed with care. Light skin individuals may be exposed to burns in fewer than 30 minutes. Exposing oneself to the midday Sun can be harmful due to the strong UV radiation; limit your time outside. Limit sun-induced ocular harm with sunglasses that feature UVA and UVB filtration.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the usual temperature for San Gregorio Atlapulco in September?
What is the most humid month in San Gregorio Atlapulco?
What is the average humidity in September in San Gregorio Atlapulco?
How many days does it rain in September in San Gregorio Atlapulco?
What is the average length of the day in September in San Gregorio Atlapulco?
What time are sunrise and sunset in September in San Gregorio Atlapulco?
How many hours of sunshine does San Gregorio Atlapulco have in September?
What is the month with the lowest UV index in San Gregorio Atlapulco?
What is the UV index intensity in September in San Gregorio Atlapulco?
Average temperature in September
San Gregorio Atlapulco, Mexico
- Average high temperature in September: 20.5°C
The warmest month (with the highest average high temperature) is April (25.3°C).
The month with the lowest average high temperature is January (19.3°C).
- Average low temperature in September: 11.2°C
The month with the highest average low temperature is May (13°C).
The coldest month (with the lowest average low temperature) is January (6.8°C).
Average pressure in September
San Gregorio Atlapulco, Mexico
- Average pressure in September: 1015.6mbar
The month with the highest atmospheric pressure is January (1018.4mbar).
The month with the lowest atmospheric pressure is May (1014.2mbar).
Average wind speed in September
San Gregorio Atlapulco, Mexico
- Average wind speed in September: 5.5km/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 (4.8km/h).
Average humidity in September
San Gregorio Atlapulco, Mexico
- Average humidity in September: 80%
The month with the highest relative humidity is September (80%).
The month with the lowest relative humidity is April (43%).
Average rainfall in September
San Gregorio Atlapulco, Mexico
- Average rainfall in September: 174mm
The wettest month (with the highest rainfall) is July (230mm).
The driest month (with the least rainfall) is December (5mm).
Average rainfall days in September
San Gregorio Atlapulco, Mexico
- Average rainfall days in September: 27.5 days
The months with the highest number of rainy days are July and August (29.7 days).
The month with the least rainy days is December (4.3 days).
Average daylight in September /
Average sunshine in September
San Gregorio Atlapulco, 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: 9h and 0min
The month with the most sunshine is June (Average sunshine: 10h and 48min).
The month with the least sunshine is November (Average sunshine: 7h and 42min).
Average sunshine days in September
San Gregorio Atlapulco, Mexico
- Average sunshine days in September: 1.3 days
The month with the most sunshine days is December (24.9 days).
The months with the least sunshine days are July and August (0.5 days).
Average UV index in September
San Gregorio Atlapulco, Mexico
- Average UV index in September: 4
The months with the highest UV index are February, March, April, May, June and July (UV index 5).
The months with the lowest UV index are January, August, September, October, November and December (UV index 4).
Average cloud cover in September
San Gregorio Atlapulco, Mexico
- Average cloud cover in September: 37
The months with the most cloud cover are July and September (Cloud cover 37).
The months with the least cloud cover are February and December (Cloud cover 10).
Average visibility in September
San Gregorio Atlapulco, Mexico
- Average visibility in September: 8km
The months with the highest visibility are January, February, March, April, May, November and December (10km).
The months with the lowest visibility are July, August and September (8km).
