September weather forecastLos Hernández, Mexico
September
Weather in September
The first month of the autumn, September, is also a moderately hot month in Los Hernández, Mexico, with temperature in the range of an average high of 25°C (77°F) and an average low of 12.6°C (54.7°F).Temperature
The onset of September marks an average high-temperature of a still warm 25°C (77°F), hardly differing from August's 25.9°C (78.6°F). Los Hernández's average nighttime temperature descends significantly from the day's peak in September, settling at a fresh 12.6°C (54.7°F).Humidity
The months with the highest humidity are August and September, with an average relative humidity of 77%.Rainfall
In Los Hernández, Mexico, in September, it is raining for 19.2 days, with typically 72mm (2.83") of accumulated precipitation. In Los Hernández, during the entire year, the rain falls for 127.1 days and collects up to 464mm (18.27") of precipitation.Daylight
In September, the average length of the day is 12h and 15min.On the first day of the month, sunrise is at 6:28 am and sunset at 6:59 pm. On the last day of September, sunrise is at 6:35 am and sunset at 6:33 pm CST.
Sunshine
In Los Hernández, the average sunshine in September is 9.3h.UV index
In September, the average daily maximum UV index is 5. A UV Index estimate of 3 to 5 represents a medium vulnerability from unsafe exposure to UV radiation for average individuals.Note: The average daily UV index of 5 in September transforms into the following instructions:
Act with care - Obligation to protect against skin and eye damage is highlighted. Exposing oneself to the midday Sun can be harmful due to the strong UV radiation; limit your time outside. For minimizing sun-related eye damage, always choose sunglasses with UVA and UVB coverage.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Los Hernández, Mexico
- Average high temperature in September: 25°C
The warmest month (with the highest average high temperature) is May (31°C).
The month with the lowest average high temperature is January (22.3°C).
- Average low temperature in September: 12.6°C
The month with the highest average low temperature is May (15.9°C).
The coldest month (with the lowest average low temperature) is January (7.7°C).
Average pressure in September
Los Hernández, Mexico
- Average pressure in September: 1015.5mbar
The month with the highest atmospheric pressure is January (1018mbar).
The month with the lowest atmospheric pressure is May (1013.4mbar).
Average wind speed in September
Los Hernández, Mexico
- Average wind speed in September: 7.3km/h
The windiest month (with the highest average wind speed) is April (8.6km/h).
The calmest month (with the lowest average wind speed) is July (6.7km/h).
Average humidity in September
Los Hernández, Mexico
- Average humidity in September: 77%
The months with the highest relative humidity are August and September (77%).
The month with the lowest relative humidity is April (36%).
Average rainfall in September
Los Hernández, Mexico
- Average rainfall in September: 72mm
The wettest month (with the highest rainfall) is July (105mm).
The driest months (with the least rainfall) are January and December (5mm).
Average rainfall days in September
Los Hernández, Mexico
- Average rainfall days in September: 19.2 days
The month with the highest number of rainy days is July (22.8 days).
The month with the least rainy days is December (2.5 days).
Average daylight in September /
Average sunshine in September
Los Hernández, 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: 9h and 18min
The month with the most sunshine is December (Average sunshine: 9h and 54min).
The month with the least sunshine is July (Average sunshine: 9h and 12min).
Average sunshine days in September
Los Hernández, Mexico
- Average sunshine days in September: 8.1 days
The month with the most sunshine days is December (27.7 days).
The month with the least sunshine days is July (5.6 days).
Average UV index in September
Los Hernández, Mexico
- Average UV index in September: 5
The months with the highest UV index are March, April and May (UV index 6).
The month with the lowest UV index is January (UV index 4).
Average cloud cover in September
Los Hernández, Mexico
- Average cloud cover in September: 36
The month with the most cloud cover is September (Cloud cover 36).
The months with the least cloud cover are March and April (Cloud cover 10).
Average visibility in September
Los Hernández, Mexico
- Average visibility in September: 8km
The months with the highest visibility are January, February, March, April, May, June, November and December (10km).
The months with the lowest visibility are August and September (8km).
