September weather forecastSan Pedro Atzompa, Mexico
September
Weather in September
September, the first month of the autumn in San Pedro Atzompa, is also an agreeable month, with an average temperature ranging between min 11.2°C (52.2°F) and max 20.8°C (69.4°F).Temperature
San Pedro Atzompa observes an average high-temperature of a still pleasant 20.8°C (69.4°F) in September, barely different from 21.9°C (71.4°F) in August. An average low-temperature of 11.2°C (52.2°F) is anticipated throughout the nights in San Pedro Atzompa during September.Humidity
The most humid month is September, with an average relative humidity of 77%.Rainfall
In San Pedro Atzompa, during September, the rain falls for 25.5 days and regularly aggregates up to 105mm (4.13") of precipitation. Throughout the year, there are 172.3 rainfall days, and 662mm (26.06") of precipitation is accumulated.Daylight
In September, the average length of the day in San Pedro Atzompa is 12h and 14min.On the first day of the month, sunrise is at 6:20 am and sunset at 6:50 pm. On the last day of September, in San Pedro Atzompa, sunrise is at 6:26 am and sunset at 6:24 pm CST.
Sunshine
In September, the average sunshine in San Pedro Atzompa, Mexico, is 9.1h.UV index
The months with the lowest UV index in San Pedro Atzompa are January, June, September through December, with an average maximum UV index of 4. A UV Index of 3 to 5 symbolizes a moderate threat to health from exposure to the Sun's UV rays for the ordinary person.Note: The maximum daily UV index of 4 in September interprets into the following recommendations:
Guard yourself - Precautionary measures against sun damage are advocated. Considering the harmful UV rays from the Sun during midday, it's essential to reduce exposure. Stay sun-safe with clothing that is both closely woven and worn loosely.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
San Pedro Atzompa, Mexico
- Average high temperature in September: 20.8°C
The warmest month (with the highest average high temperature) is April (25.6°C).
The month with the lowest average high temperature is January (18.9°C).
- Average low temperature in September: 11.2°C
The month with the highest average low temperature is May (13.3°C).
The coldest month (with the lowest average low temperature) is January (6.8°C).
Average pressure in September
San Pedro Atzompa, Mexico
- Average pressure in September: 1015.7mbar
The month with the highest atmospheric pressure is January (1018.5mbar).
The month with the lowest atmospheric pressure is May (1014.1mbar).
Average wind speed in September
San Pedro Atzompa, Mexico
- Average wind speed in September: 6.8km/h
The windiest month (with the highest average wind speed) is March (7.8km/h).
The calmest month (with the lowest average wind speed) is July (6.3km/h).
Average humidity in September
San Pedro Atzompa, 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 (42%).
Average rainfall in September
San Pedro Atzompa, Mexico
- Average rainfall in September: 105mm
The wettest months (with the highest rainfall) are July and August (136mm).
The driest month (with the least rainfall) is December (4mm).
Average rainfall days in September
San Pedro Atzompa, Mexico
- Average rainfall days in September: 25.5 days
The month with the highest number of rainy days is July (27.5 days).
The month with the least rainy days is December (3.5 days).
Average daylight in September /
Average sunshine in September
San Pedro Atzompa, 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: 9h and 6min
The month with the most sunshine is June (Average sunshine: 10h and 54min).
The month with the least sunshine is November (Average sunshine: 7h and 48min).
Average sunshine days in September
San Pedro Atzompa, Mexico
- Average sunshine days in September: 3 days
The month with the most sunshine days is December (23.7 days).
The month with the least sunshine days is July (2.3 days).
Average UV index in September
San Pedro Atzompa, Mexico
- Average UV index in September: 4
The months with the highest UV index are February, March, April, May, July and August (UV index 5).
The months with the lowest UV index are January, June, September, October, November and December (UV index 4).
Average cloud cover in September
San Pedro Atzompa, Mexico
- Average cloud cover in September: 39
The month with the most cloud cover is September (Cloud cover 39).
The months with the least cloud cover are February, March and December (Cloud cover 11).
Average visibility in September
San Pedro Atzompa, Mexico
- Average visibility in September: 8km
The months with the highest visibility are January, February, March, April, May and December (10km).
The months with the lowest visibility are July, August and September (8km).





