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
During September, San Mateo Xalpa records an average high-temperature of a still pleasant 20.8°C (69.4°F), marking a slight divergence from August's 22°C (71.6°F). September brings an average low-temperature of 11°C (51.8°F) to San Mateo Xalpa.Humidity
The most humid month in San Mateo Xalpa is September, with an average relative humidity of 77%.Rainfall
In September, in San Mateo Xalpa, the rain falls for 25.7 days. Throughout September, 116mm (4.57") of precipitation is accumulated. Throughout the year, there are 176.8 rainfall days, and 781mm (30.75") of precipitation is accumulated.Daylight
In September, the average length of the day is 12h and 14min.On the first day of September, sunrise is at 6:21 am and sunset at 6:50 pm. On the last day of the month, sunrise is at 6:27 am and sunset at 6:25 pm CST.
Sunshine
The average sunshine in September is 9.1h.UV index
The months with the lowest UV index in San Mateo Xalpa, Mexico, are January, June, August through December, with an average maximum UV index of 4. A UV Index estimate of 3 to 5 represents a medium vulnerability from exposure to the Sun's UV radiation for the average person.Note: In September, a daily UV index of 4 turns into the following recommendations:
Prioritize safety - The need to safeguard skin and eyes from harm is emphasized. Limiting exposure to the direct Sun during midday hours can help prevent harmful UV radiation effects. Outfit yourself in sun-safe attire, like long sleeves, pants, a hat, and UV-blocking sunglasses.
Frequently asked questions
What is the average September temperature in San Mateo Xalpa?
What is the most humid month in San Mateo Xalpa?
What is the average humidity in September in San Mateo Xalpa?
How many days does it rain in September in San Mateo Xalpa?
What is the average length of the day in September in San Mateo Xalpa?
When are sunrise and sunset in September in San Mateo Xalpa?
How long on average sun shines in September in San Mateo Xalpa?
When is the lowest UV index in San Mateo Xalpa?
How high is the UV index in September in San Mateo Xalpa?
Average temperature in September
San Mateo Xalpa, Mexico
- Average high temperature in September: 20.8°C
The warmest months (with the highest average high temperature) are April and May (25.4°C).
The month with the lowest average high temperature is January (19.2°C).
- Average low temperature in September: 11°C
The month with the highest average low temperature is May (13.7°C).
The coldest month (with the lowest average low temperature) is January (6.8°C).
Average pressure in September
San Mateo Xalpa, Mexico
- Average pressure in September: 1015.6mbar
The month with the highest atmospheric pressure is January (1018.3mbar).
The month with the lowest atmospheric pressure is May (1014.1mbar).
Average wind speed in September
San Mateo Xalpa, Mexico
- Average wind speed in September: 6.2km/h
The windiest month (with the highest average wind speed) is March (7.4km/h).
The calmest month (with the lowest average wind speed) is July (5.4km/h).
Average humidity in September
San Mateo Xalpa, Mexico
- Average humidity in September: 77%
The month with the highest relative humidity is September (77%).
The month with the lowest relative humidity is April (41%).
Average rainfall in September
San Mateo Xalpa, Mexico
- Average rainfall in September: 116mm
The wettest month (with the highest rainfall) is July (181mm).
The driest month (with the least rainfall) is December (4mm).
Average rainfall days in September
San Mateo Xalpa, Mexico
- Average rainfall days in September: 25.7 days
The month with the highest number of rainy days is July (28.8 days).
The month with the least rainy days is December (3.9 days).
Average daylight in September /
Average sunshine in September
San Mateo Xalpa, 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 1min
The month with the most sunshine is June (Average sunshine: 10h and 36min).
The month with the least sunshine is November (Average sunshine: 7h and 48min).
Average sunshine days in September
San Mateo Xalpa, Mexico
- Average sunshine days in September: 2.5 days
The month with the most sunshine days is December (25.1 days).
The month with the least sunshine days is July (0.3 days).
Average UV index in September
San Mateo Xalpa, Mexico
- Average UV index in September: 4
The months with the highest UV index are February, March, April, May and July (UV index 5).
The months with the lowest UV index are January, June, August, September, October, November and December (UV index 4).
Average cloud cover in September
San Mateo Xalpa, Mexico
- Average cloud cover in September: 37
The month with the most cloud cover is July (Cloud cover 38).
The month with the least cloud cover is December (Cloud cover 10).
Average visibility in September
San Mateo Xalpa, 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).
San Mateo Xalpa, Mexico
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