September weather forecastSanta María Xonacatepec, Mexico
September
Weather in September
The first month of the autumn, September, is still a refreshing month in Santa María Xonacatepec, Mexico, with an average temperature fluctuating between 19.9°C (67.8°F) and 10.8°C (51.4°F).Temperature
At the start of September, Santa María Xonacatepec's average high-temperature reaches a comfortable 19.9°C (67.8°F), subtly different from the preceding month. During September, Santa María Xonacatepec's temperature falls to a steady low-temperature average of 10.8°C (51.4°F).Humidity
With an average relative humidity of 82%, September is the most humid month in Santa María Xonacatepec.Rainfall
The month with the most rainfall in Santa María Xonacatepec is September, when the rain falls for 27.9 days and typically aggregates up to 172mm (6.77") of precipitation.Daylight
In Santa María Xonacatepec, the average length of the day in September is 12h and 14min.On the first day of the month, sunrise is at 6:17 am and sunset at 6:46 pm. On the last day of September, in Santa María Xonacatepec, sunrise is at 6:22 am and sunset at 6:21 pm CST.
Sunshine
The average sunshine in September in Santa María Xonacatepec is 8.8h.UV index
The months with the lowest UV index in Santa María Xonacatepec are January, June, August through December, with an average maximum UV index of 4. A UV Index value of 3 to 5 symbolizes a moderate health risk from unsafe exposure to UV radiation for the average person.Note: In September, a regular UV index of 4 translates into these guidelines:
Undertake precautions - It is suggested to shield oneself from sunburn. Midday is when the Sun's radiation is strongest; avoid prolonged exposure during this time. Sun-related eye harm can be minimized with proper sunglasses offering UVA and UVB coverage.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Santa María Xonacatepec, Mexico
- Average high temperature in September: 19.9°C
The warmest month (with the highest average high temperature) is April (23.8°C).
The month with the lowest average high temperature is January (18.4°C).
- Average low temperature in September: 10.8°C
The month with the highest average low temperature is May (12.8°C).
The coldest month (with the lowest average low temperature) is January (6.6°C).
Average pressure in September
Santa María Xonacatepec, Mexico
- Average pressure in September: 1015.6mbar
The month with the highest atmospheric pressure is January (1018.8mbar).
The month with the lowest atmospheric pressure is May (1014.3mbar).
Average wind speed in September
Santa María Xonacatepec, Mexico
- Average wind speed in September: 6.9km/h
The windiest month (with the highest average wind speed) is March (9.4km/h).
The calmest months (with the lowest average wind speed) are June and July (6.8km/h).
Average humidity in September
Santa María Xonacatepec, Mexico
- Average humidity in September: 82%
The month with the highest relative humidity is September (82%).
The month with the lowest relative humidity is April (51%).
Average rainfall in September
Santa María Xonacatepec, Mexico
- Average rainfall in September: 172mm
The wettest month (with the highest rainfall) is September (172mm).
The driest month (with the least rainfall) is December (6mm).
Average rainfall days in September
Santa María Xonacatepec, Mexico
- Average rainfall days in September: 27.9 days
The month with the highest number of rainy days is August (28.3 days).
The month with the least rainy days is December (4.5 days).
Average daylight in September /
Average sunshine in September
Santa María Xonacatepec, Mexico
- Average daylight in September: 12h and 12min
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 48min
The month with the most sunshine is May (Average sunshine: 10h and 48min).
The month with the least sunshine is November (Average sunshine: 7h and 30min).
Average sunshine days in September
Santa María Xonacatepec, Mexico
- Average sunshine days in September: 2 days
The month with the most sunshine days is December (23.5 days).
The month with the least sunshine days is September (2 days).
Average UV index in September
Santa María Xonacatepec, 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
Santa María Xonacatepec, Mexico
- Average cloud cover in September: 41
The month with the most cloud cover is September (Cloud cover 41).
The months with the least cloud cover are February and December (Cloud cover 12).
Average visibility in September
Santa María Xonacatepec, Mexico
- Average visibility in September: 8km
The months with the highest visibility are January, February, March, April, May, November and December (10km).
The month with the lowest visibility is September (8km).





