September weather forecastLos Lermas, Mexico
September
Weather in September
The first month of the autumn, September, is also a moderately hot month in Los Lermas, Mexico, with an average temperature varying between 19.9°C (67.8°F) and 29.1°C (84.4°F).Temperature
September brings a slight decrease in temperature, down from a hot 33.1°C (91.6°F) in August to a moderately hot 29.1°C (84.4°F). Los Lermas's average low-temperature for the month of September records at a refreshing 19.9°C (67.8°F).Heat index
In September, the heat index is computed to be a hot 32°C (89.6°F). With extended exposure and activity, one might feel exhausted and experience heat cramps.Thinking about the heat index, one should account for its values in shaded areas with gentle breezes. The direct sunshine could escalate the heat index values by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'apparent temperature' or 'feels like', arises from combining readings of air temperature and relative moisture content. One's perception of weather can be shaped by other factors, involving metabolic differences, pregnancy, and physical exertion. It is essential to realize that direct sunlight can escalate the perceived temperature, increasing the heat index by 15 Fahrenheit (8 Celsius) degrees. Heat index values are primarily vital for children. Kids are usually in more danger than grown-ups as they tend to sweat less. Plus, their bigger skin surface in relation to their small frames and increased heat generation due to their activity level make them more susceptible.
Humidity
September is the most humid month in Los Lermas, Mexico, with an average relative humidity of 67%.Rainfall
September is the month with the most rainfall in Los Lermas. Rain falls for 21.6 days and accumulates 91mm (3.58") of precipitation.Snowfall
In Los Lermas, snow does not fall in January through November.Daylight
In Los Lermas, the average length of the day in September is 12h and 17min.On the first day of the month, sunrise is at 6:21 am and sunset at 6:59 pm. On the last day of September, in Los Lermas, sunrise is at 6:32 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 is 6. A UV Index reading of 6 to 7 represents a high threat to health from exposure to the Sun's UV radiation for average individuals.Note: In September, the maximum UV index of 6 suggests this advice:
Undertake protective measures and comply with sun safety rules. Shielding against skin and eye damage is essential. Avoid direct Sun exposure and stay in the shade between 10 a.m. and 4 p.m., a time when UV radiation is most intense, noting that not all shade structures offer full protection. Sun protection is enhanced with clothing that boasts a tight weave yet offers a loose fit.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Los Lermas, Mexico
- Average high temperature in September: 29.1°C
The warmest month (with the highest average high temperature) is August (33.1°C).
The month with the lowest average high temperature is January (19.3°C).
- Average low temperature in September: 19.9°C
The month with the highest average low temperature is August (21.6°C).
The coldest month (with the lowest average low temperature) is January (8.8°C).
Average pressure in September
Los Lermas, Mexico
- Average pressure in September: 1014.1mbar
The month with the highest atmospheric pressure is January (1019.6mbar).
The month with the lowest atmospheric pressure is May (1011.6mbar).
Average wind speed in September
Los Lermas, Mexico
- Average wind speed in September: 9.2km/h
The windiest month (with the highest average wind speed) is July (12.7km/h).
The calmest month (with the lowest average wind speed) is December (8km/h).
Average humidity in September
Los Lermas, Mexico
- Average humidity in September: 67%
The month with the highest relative humidity is September (67%).
The month with the lowest relative humidity is April (52%).
Average rainfall in September
Los Lermas, Mexico
- Average rainfall in September: 91mm
The wettest month (with the highest rainfall) is September (91mm).
The driest month (with the least rainfall) is February (10mm).
Average rainfall days in September
Los Lermas, Mexico
- Average rainfall days in September: 21.6 days
The month with the highest number of rainy days is September (21.6 days).
The month with the least rainy days is December (6.1 days).
Average snowfall in September
Los Lermas, Mexico
- Average snowfall in September: 0mm
The month with the highest snowfall is December (5mm).
The months with the least snowfall are January, February, March, April, May, June, July, August, September, October and November (0mm).
Average snowfall days in September
Los Lermas, Mexico
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is February (0.2 days).
The months with the least snowfall days are March, April, May, June, July, August, September, October and November (0 days).
Average daylight in September /
Average sunshine in September
Los Lermas, Mexico
- Average daylight in September: 12h and 18min
The month with the longest days is June (Average daylight: 13h and 42min).
The month with the shortest days is December (Average daylight: 10h and 36min).
- Average sunshine in September: 8h and 48min
The month with the most sunshine is June (Average sunshine: 11h and 30min).
The month with the least sunshine is November (Average sunshine: 6h and 54min).
Average sunshine days in September
Los Lermas, Mexico
- Average sunshine days in September: 5.9 days
The month with the most sunshine days is January (21.3 days).
The month with the least sunshine days is September (5.9 days).
Average UV index in September
Los Lermas, Mexico
- Average UV index in September: 6
The months with the highest UV index are May, July and August (UV index 7).
The months with the lowest UV index are January and December (UV index 4).
Average cloud cover in September
Los Lermas, Mexico
- Average cloud cover in September: 31
The month with the most cloud cover is September (Cloud cover 31).
The month with the least cloud cover is August (Cloud cover 14).
Average visibility in September
Los Lermas, Mexico
- Average visibility in September: 9km
The months with the highest visibility are January, February, March, April, May, June, July, August, October, November and December (10km).
The month with the lowest visibility is September (9km).
