September weather forecastLa Valla, Mexico
September
Weather in September
The first month of the autumn, September, is still a pleasant month in La Valla, Mexico, with an average temperature varying between 21.8°C (71.2°F) and 12.1°C (53.8°F).Temperature
As August transitions into September, La Valla records an average high-temperature of a still agreeable 21.8°C (71.2°F), showing a gentle shift from the preceding month. In the month of September, the temperature generally rests at an average low of 12.1°C (53.8°F).Humidity
The most humid month is September, with an average relative humidity of 78%.Rainfall
In La Valla, Mexico, in September, it is raining for 20.3 days, with typically 73mm (2.87") of accumulated precipitation. Throughout the year, there are 139.6 rainfall days, and 468mm (18.43") of precipitation is accumulated.Daylight
In La Valla, the average length of the day in September is 12h and 15min.On the first day of the month, sunrise is at 6:24 am and sunset at 6:55 pm. On the last day of September, in La Valla, sunrise is at 6:31 am and sunset at 6:28 pm CST.
Sunshine
In September, the average sunshine is 8.8h.UV index
The average daily maximum UV index in September in La Valla is 5. A UV Index estimate of 3 to 5 represents a medium vulnerability from unsafe exposure to UV radiation for average individuals.Note: In September, the maximum UV index of 5 suggests this advice:
Take necessary precautions - Defending against sun damage is advocated. Exposing oneself to the midday Sun can be harmful due to the strong UV radiation; limit your time outside. A wide-brimmed hat is a shield, deflecting up to 50% of harmful UV radiation from eyes.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
La Valla, Mexico
- Average high temperature in September: 21.8°C
The warmest months (with the highest average high temperature) are April and May (26.3°C).
The month with the lowest average high temperature is January (19.5°C).
- Average low temperature in September: 12.1°C
The month with the highest average low temperature is May (13.8°C).
The coldest month (with the lowest average low temperature) is January (7.1°C).
Average pressure in September
La Valla, Mexico
- Average pressure in September: 1015.7mbar
The month with the highest atmospheric pressure is January (1018.6mbar).
The month with the lowest atmospheric pressure is May (1013.8mbar).
Average wind speed in September
La Valla, Mexico
- Average wind speed in September: 9.2km/h
The windiest month (with the highest average wind speed) is March (11.2km/h).
The calmest month (with the lowest average wind speed) is July (9km/h).
Average humidity in September
La Valla, Mexico
- Average humidity in September: 78%
The month with the highest relative humidity is September (78%).
The month with the lowest relative humidity is April (43%).
Average rainfall in September
La Valla, Mexico
- Average rainfall in September: 73mm
The wettest month (with the highest rainfall) is July (109mm).
The driest month (with the least rainfall) is December (3mm).
Average rainfall days in September
La Valla, Mexico
- Average rainfall days in September: 20.3 days
The month with the highest number of rainy days is July (24.2 days).
The month with the least rainy days is December (2.7 days).
Average daylight in September /
Average sunshine in September
La Valla, Mexico
- Average daylight in September: 12h and 18min
The month with the longest days is June (Average daylight: 13h and 24min).
The month with the shortest days is December (Average daylight: 10h and 54min).
- Average sunshine in September: 8h and 48min
The month with the most sunshine is June (Average sunshine: 10h and 6min).
The month with the least sunshine is November (Average sunshine: 8h and 12min).
Average sunshine days in September
La Valla, Mexico
- Average sunshine days in September: 6.5 days
The month with the most sunshine days is December (26.3 days).
The month with the least sunshine days is July (3.2 days).
Average UV index in September
La Valla, Mexico
- Average UV index in September: 5
The month with the highest UV index is April (UV index 6).
The months with the lowest UV index are January, August, October, November and December (UV index 4).
Average cloud cover in September
La Valla, Mexico
- Average cloud cover in September: 44
The months with the most cloud cover are July and September (Cloud cover 44).
The months with the least cloud cover are March, April and December (Cloud cover 13).
Average visibility in September
La Valla, 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).
