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
September's average high-temperature stands at a still pleasant 21.2°C (70.2°F), showing little deviation from August's 22.4°C (72.3°F). San Juan Guelavía records an average low-temperature of 12.9°C (55.2°F) throughout the month of September.Humidity
September is the most humid month in San Juan Guelavía, with an average relative humidity of 86%.Rainfall
In San Juan Guelavía, in September, it is raining for 28.4 days, with typically 209mm (8.23") of accumulated precipitation. In San Juan Guelavía, during the entire year, the rain falls for 229.1 days and collects up to 1131mm (44.53") of precipitation.Daylight
The average length of the day in September in San Juan Guelavía is 12h and 13min.On the first day of the month, sunrise is at 6:12 am and sunset at 6:39 pm. On the last day of September, sunrise is at 6:16 am and sunset at 6:15 pm CST.
Sunshine
In San Juan Guelavía, the average sunshine in September is 8.3h.UV index
February through July and September, with an average maximum UV index of 5, are months with the highest UV index. A UV Index reading of 3 to 5 represents a moderate threat to health from unsafe exposure to UV radiation for the average person.Note: In September, the maximum UV index of 5 transforms into these recommendations:
Take precautions. Light skin individuals may get burned in less than 30 minutes. For skin protection, it's recommended to minimize Sun exposure during its peak hours around midday. For optimum UV protection, wear sun-resistant attire complemented with a hat and quality shades.
Frequently asked questions
What are September temperatures in San Juan Guelavía?
What is the most humid month in San Juan Guelavía?
What is the average humidity in September in San Juan Guelavía?
How many days does it rain in September in San Juan Guelavía?
How many hours of daylight does San Juan Guelavía have in September?
What time are sunrise and sunset in September in San Juan Guelavía?
How many hours of sunshine does San Juan Guelavía have in September?
When is the highest UV index in San Juan Guelavía?
What is the UV index intensity in September in San Juan Guelavía?
Average temperature in September
San Juan Guelavía, Mexico
- Average high temperature in September: 21.2°C
The warmest month (with the highest average high temperature) is April (26.8°C).
The months with the lowest average high temperature are January and November (20.5°C).
- Average low temperature in September: 12.9°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 (7.7°C).
Average pressure in September
San Juan Guelavía, Mexico
- Average pressure in September: 1013.5mbar
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 Guelavía, 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 month (with the lowest average wind speed) is June (5.3km/h).
Average humidity in September
San Juan Guelavía, 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 Guelavía, Mexico
- Average rainfall in September: 209mm
The wettest month (with the highest rainfall) is June (213mm).
The driest months (with the least rainfall) are February and December (7mm).
Average rainfall days in September
San Juan Guelavía, Mexico
- Average rainfall days in September: 28.4 days
The month with the highest number of rainy days is August (29.6 days).
The month with the least rainy days is February (7.1 days).
Average daylight in September /
Average sunshine in September
San Juan Guelavía, Mexico
- Average daylight in September: 12h and 1min
The month with the longest days is June (Average daylight: 13h and 6min).
The month with the shortest days is December (Average daylight: 11h and 6min).
- Average sunshine in September: 8h and 2min
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 Guelavía, Mexico
- Average sunshine days in September: 0.3 days
The month with the most sunshine days is January (15.1 days).
The month with the least sunshine days is September (0.3 days).
Average UV index in September
San Juan Guelavía, Mexico
- Average UV index in September: 5
The months with the highest UV index are February, March, April, May, June, July and September (UV index 5).
The months with the lowest UV index are January, August, October, November and December (UV index 4).
Average cloud cover in September
San Juan Guelavía, Mexico
- Average cloud cover in September: 54
The month with the most cloud cover is September (Cloud cover 54).
The months with the least cloud cover are February, March and April (Cloud cover 21).
Average visibility in September
San Juan Guelavía, 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 and October (7km).
San Juan Guelavía, Mexico
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