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 arrival shows an average high-temperature of a still moderately hot 24.2°C (75.6°F), hardly different from the previous month. A noticeable downturn in temperature characterizes the September nights, averaging at a cool 12.2°C (54°F).Humidity
With an average relative humidity of 77%, September is the most humid month.Rainfall
In Leon, in September, it is raining for 21.1 days, with typically 71mm (2.8") of accumulated precipitation. In Leon, during the entire year, the rain falls for 128.3 days and collects up to 441mm (17.36") of precipitation.Daylight
In Leon, the average length of the day in September is 12h and 16min.On the first day of September, sunrise is at 6:30 am and sunset at 7:02 pm. On the last day of the month, sunrise is at 6:37 am and sunset at 6:35 pm CST.
Sunshine
In September, the average sunshine is 9.4h.UV index
The average daily maximum UV index in September in Leon, Mexico, is 5. A UV Index reading of 3 to 5 represents a moderate health risk from unprotected exposure to Sun's UV rays for the average person.Note: The maximum UV index of 5 during September translates into these guidelines:
Take care. Persons with lighter skin might suffer burns in less than 30 minutes. The solar radiation is most powerful near the mid-day, so the exposure to the direct Sun should be reduced accordingly. A hat with a generous brim can prevent nearly 50% of UV rays from reaching your eyes.
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Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the usual temperature for Leon in September?
What is the most humid month in Leon?
What is the average humidity in September in Leon?
How many days does it rain in September in Leon?
What is the average length of the day in September in Leon?
When are sunrise and sunset in September in Leon?
How many hours of sunshine does Leon have in September?
What is the UV index intensity in September in Leon?
Average temperature in September
Leon, Mexico
- Average high temperature in September: 24.2°C
The warmest month (with the highest average high temperature) is May (29.7°C).
The month with the lowest average high temperature is January (21.3°C).
- Average low temperature in September: 12.2°C
The month with the highest average low temperature is June (16°C).
The coldest month (with the lowest average low temperature) is January (8°C).
Average pressure in September
Leon, Mexico
- Average pressure in September: 1015.4mbar
The month with the highest atmospheric pressure is January (1018.1mbar).
The month with the lowest atmospheric pressure is May (1013.4mbar).
Average wind speed in September
Leon, Mexico
- Average wind speed in September: 7.5km/h
The windiest month (with the highest average wind speed) is April (10.1km/h).
The calmest month (with the lowest average wind speed) is July (7km/h).
Average humidity in September
Leon, 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 (32%).
Average rainfall in September
Leon, Mexico
- Average rainfall in September: 71mm
The wettest month (with the highest rainfall) is July (102mm).
The driest month (with the least rainfall) is April (5mm).
Average rainfall days in September
Leon, Mexico
- Average rainfall days in September: 21.1 days
The month with the highest number of rainy days is July (23.2 days).
The month with the least rainy days is February (3.3 days).
Average daylight in September /
Average sunshine in September
Leon, Mexico
- Average daylight in September: 12h and 2min
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: 9h and 2min
The months with the most sunshine are January, March, May and December (Average sunshine: 9h and 48min).
The month with the least sunshine is July (Average sunshine: 9h and 6min).
Average sunshine days in September
Leon, Mexico
- Average sunshine days in September: 6.8 days
The months with the most sunshine days are January and December (26.5 days).
The month with the least sunshine days is July (5.7 days).
Average UV index in September
Leon, Mexico
- Average UV index in September: 5
The months with the highest UV index are April and May (UV index 6).
The months with the lowest UV index are January and November (UV index 4).
Average cloud cover in September
Leon, Mexico
- Average cloud cover in September: 34
The months with the most cloud cover are July and September (Cloud cover 34).
The month with the least cloud cover is March (Cloud cover 10).
Average visibility in September
Leon, Mexico
- Average visibility in September: 8km
The months with the highest visibility are January, February, March, April, May, June, November and December (10km).
The month with the lowest visibility is September (8km).
Leon, Mexico
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