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 average high-temperature during September registers at a still warm 25°C (77°F), maintaining a close resemblance to the previous month. In San Juan Epatlán, the September nights cool down to an average low of 15.2°C (59.4°F).Humidity
September is the most humid month in San Juan Epatlán, with an average relative humidity of 81%.Rainfall
In San Juan Epatlán, Mexico, in September, during 28.1 rainfall days, 202mm (7.95") of precipitation is typically accumulated. In San Juan Epatlán, during the entire year, the rain falls for 196.6 days and collects up to 1124mm (44.25") 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 6:18 am and sunset at 6:47 pm. On the last day of September, sunrise is at 6:23 am and sunset at 6:22 pm CST.
Sunshine
In September, the average sunshine in San Juan Epatlán is 9h.UV index
January, June, August through December, with an average maximum UV index of 5, are months with the lowest UV index. A UV Index estimate of 3 to 5 represents a medium health hazard from unprotected exposure to Sun's UV rays for average individuals.Note: In September, the maximum UV index of 5 suggests this advice:
Guard yourself - Precautionary measures against sun damage are advocated. Considering the Sun's intensity during midday, it's wise to minimize direct exposure. Protect your eyes, ears, face, and neck from the Sun by wearing a wide-brimmed hat.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What are September temperatures in San Juan Epatlán?
What is the most humid month in San Juan Epatlán?
What is the average humidity in September in San Juan Epatlán?
How many days does it rain in September in San Juan Epatlán?
What is the average length of the day in September in San Juan Epatlán?
What time are sunrise and sunset in September in San Juan Epatlán?
How long on average sun shines in September in San Juan Epatlán?
What are the months with the lowest UV index in San Juan Epatlán?
What is the UV index reading in September in San Juan Epatlán?
Average temperature in September
San Juan Epatlán, Mexico
- Average high temperature in September: 25°C
The warmest month (with the highest average high temperature) is April (30.8°C).
The month with the lowest average high temperature is January (24.7°C).
- Average low temperature in September: 15.2°C
The month with the highest average low temperature is May (19.1°C).
The coldest month (with the lowest average low temperature) is January (12.3°C).
Average pressure in September
San Juan Epatlán, Mexico
- Average pressure in September: 1015.4mbar
The month with the highest atmospheric pressure is January (1017.9mbar).
The month with the lowest atmospheric pressure is May (1014.2mbar).
Average wind speed in September
San Juan Epatlán, Mexico
- Average wind speed in September: 5.2km/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 September (5.2km/h).
Average humidity in September
San Juan Epatlán, Mexico
- Average humidity in September: 81%
The month with the highest relative humidity is September (81%).
The month with the lowest relative humidity is April (40%).
Average rainfall in September
San Juan Epatlán, Mexico
- Average rainfall in September: 202mm
The wettest month (with the highest rainfall) is June (213mm).
The driest month (with the least rainfall) is December (3mm).
Average rainfall days in September
San Juan Epatlán, Mexico
- Average rainfall days in September: 28.1 days
The month with the highest number of rainy days is August (29.4 days).
The month with the least rainy days is December (2.4 days).
Average daylight in September /
Average sunshine in September
San Juan Epatlán, Mexico
- Average daylight in September: 12h and 1min
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 0min).
- Average sunshine in September: 9h and 0min
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 42min).
Average sunshine days in September
San Juan Epatlán, Mexico
- Average sunshine days in September: 0.7 days
The month with the most sunshine days is December (26.8 days).
The month with the least sunshine days is August (0.1 days).
Average UV index in September
San Juan Epatlán, Mexico
- Average UV index in September: 5
The months with the highest UV index are February, March, April, May and July (UV index 6).
The months with the lowest UV index are January, June, August, September, October, November and December (UV index 5).
Average cloud cover in September
San Juan Epatlán, Mexico
- Average cloud cover in September: 37
The month with the most cloud cover is September (Cloud cover 37).
The month with the least cloud cover is December (Cloud cover 9).
Average visibility in September
San Juan Epatlán, Mexico
- Average visibility in September: 9km
The months with the highest visibility are January, February, March, April, May, November and December (10km).
The months with the lowest visibility are June, July, August, September and October (9km).
