September weather forecastSan Juan Atepec, Mexico
September
Weather in September
The first month of the autumn, September, is still a pleasant month in San Juan Atepec, Mexico, with temperature in the range of an average low of 13°C (55.4°F) and an average high of 21.1°C (70°F).Temperature
September observes an average high-temperature of a still agreeable 21.1°C (70°F), marking an insignificant difference from August's 22.2°C (72°F). September's nights observe an average temperature of 13°C (55.4°F).Humidity
With an average relative humidity of 86%, September is the most humid month in San Juan Atepec.Rainfall
In San Juan Atepec, in September, during 28.8 rainfall days, 200mm (7.87") of precipitation is typically accumulated. In San Juan Atepec, during the entire year, the rain falls for 222.9 days and collects up to 1066mm (41.97") of precipitation.Daylight
In San Juan Atepec, the average length of the day in September is 12h and 14min.On the first day of September, sunrise is at 6:12 am and sunset at 6:39 pm. On the last day of the month, sunrise is at 6:16 am and sunset at 6:15 pm CST.
Sunshine
In September, the average sunshine is 8.3h.UV index
February through September, with an average maximum UV index of 5, are months with the highest UV index in San Juan Atepec. A UV Index value of 3 to 5 symbolizes a moderate health risk from exposure to the Sun's UV radiation for ordinary individuals.Note: The UV index of 5 during September translates into the following guidance:
Exercise prevention - Warding off sunburn is urged. The midday Sun can be harmful due to its potent UV radiation; seek shade and reduce exposure. Shield yourself from the harmful effects of UV radiation with sun-protective attire, a hat, and quality sunglasses.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
San Juan Atepec, Mexico
- Average high temperature in September: 21.1°C
The warmest month (with the highest average high temperature) is April (26.8°C).
The month with the lowest average high temperature is November (20.6°C).
- Average low temperature in September: 13°C
The month with the highest average low temperature is June (13.3°C).
The coldest month (with the lowest average low temperature) is January (7.8°C).
Average pressure in September
San Juan Atepec, Mexico
- Average pressure in September: 1013.6mbar
The month with the highest atmospheric pressure is January (1017.1mbar).
The month with the lowest atmospheric pressure is May (1012.9mbar).
Average wind speed in September
San Juan Atepec, Mexico
- Average wind speed in September: 5.5km/h
The windiest month (with the highest average wind speed) is November (7.3km/h).
The calmest months (with the lowest average wind speed) are May and June (5.3km/h).
Average humidity in September
San Juan Atepec, 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 (62%).
Average rainfall in September
San Juan Atepec, Mexico
- Average rainfall in September: 200mm
The wettest month (with the highest rainfall) is June (203mm).
The driest month (with the least rainfall) is December (5mm).
Average rainfall days in September
San Juan Atepec, Mexico
- Average rainfall days in September: 28.8 days
The month with the highest number of rainy days is September (28.8 days).
The month with the least rainy days is February (7 days).
Average daylight in September /
Average sunshine in September
San Juan Atepec, Mexico
- Average daylight in September: 12h and 12min
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 6min).
- Average sunshine in September: 8h and 18min
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 24min).
Average sunshine days in September
San Juan Atepec, Mexico
- Average sunshine days in September: 0.4 days
The month with the most sunshine days is December (18.5 days).
The month with the least sunshine days is September (0.4 days).
Average UV index in September
San Juan Atepec, Mexico
- Average UV index in September: 5
The months with the highest UV index are February, March, April, May, June, July, August and September (UV index 5).
The months with the lowest UV index are January, October, November and December (UV index 4).
Average cloud cover in September
San Juan Atepec, Mexico
- Average cloud cover in September: 54
The month with the most cloud cover is September (Cloud cover 54).
The month with the least cloud cover is March (Cloud cover 21).
Average visibility in September
San Juan Atepec, Mexico
- Average visibility in September: 7km
The months with the highest visibility are January, February, March, April and May (9km).
The months with the lowest visibility are July, August, September, October and November (7km).
