September weather forecastMéndez, Mexico
September
Weather in September
September, the first month of the autumn in Méndez, is also a hot month, with an average temperature ranging between max 31.2°C (88.2°F) and min 21.2°C (70.2°F).Temperature
The shift from August to September coincides with a small decrease in the average high-temperature, down to a still tropical 31.2°C (88.2°F) from a hot 34.8°C (94.6°F). Throughout September, an average nighttime temperature of 21.2°C (70.2°F) is experienced.Heat index
September's heat index is calculated to be a fiery hot 37°C (98.6°F). Greater preventive actions are needed, heat exhaustion and heat cramps are likely. Persistent activity could provoke heatstroke.It is essential to grasp that the heat index's numbers are for shade and light wind settings. With exposure to direct sunshine, the heat index could climb by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'feels like' or 'real feel', gives an indication of how one might feel in terms of heat after considering humidity. Physical activity, clothing, and metabolic variations are additional factors that impact an individual's perception of temperature. Direct exposure to sun rays can potentially augment the heat sensation, elevating the heat index by up to 15 Fahrenheit (8 Celsius) degrees. Heat index values are quite important for children. Children regularly disregard the necessity to rest and replenish fluids. Thirst is a late symptom of dehydration - thus, maintaining hydration, particularly during long-lasting physical activities, is essential.
Perspiring is a crucial mechanism for the human body, allowing it to release excessive warmth through evaporating sweat. An increase in relative humidity hinders the body's normal cooling function by reducing evaporation, thereby decreasing the rate of body cooling and enhancing the sense of warmth. When body heat isn't effectively managed, risks of dehydration and overheating amplify.
Humidity
September is the most humid month in Méndez, with an average relative humidity of 65%.Rainfall
September is the month with the most rainfall. Rain falls for 19.5 days and accumulates 82mm (3.23") of precipitation.Snowfall
In Méndez, snow does not fall in January through November.Daylight
In September, the average length of the day is 12h and 17min.On the first day of the month, sunrise is at 6:15 am and sunset at 6:52 pm. On the last day of September, in Méndez, sunrise is at 6:26 am and sunset at 6:21 pm CST.
Sunshine
In September, the average sunshine in Méndez, Mexico, is 9.1h.UV index
In Méndez, the average daily maximum UV index in September is 6. A UV Index of 6 to 7 symbolizes a high health hazard from unsafe exposure to UV radiation for ordinary individuals.Note: In September, an average UV index of 6 transforms into the following instructions:
Apply measures and align with sun safety principles. Safeguarding against skin and eye injury is pivotal. Minimize exposure to direct sunlight and seek shade from 10 a.m. to 4 p.m., when UV radiation is most intense, but remember that shade structures may not offer complete protection. Opt for tightly woven and loose clothing to enhance protection from the Sun.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Méndez, Mexico
- Average high temperature in September: 31.2°C
The warmest month (with the highest average high temperature) is August (34.8°C).
The month with the lowest average high temperature is January (21.3°C).
- Average low temperature in September: 21.2°C
The month with the highest average low temperature is August (22.5°C).
The coldest month (with the lowest average low temperature) is January (10.2°C).
Average pressure in September
Méndez, Mexico
- Average pressure in September: 1014.2mbar
The month with the highest atmospheric pressure is January (1019.5mbar).
The month with the lowest atmospheric pressure is May (1012.1mbar).
Average wind speed in September
Méndez, Mexico
- Average wind speed in September: 10.2km/h
The windiest month (with the highest average wind speed) is July (15.1km/h).
The calmest month (with the lowest average wind speed) is September (10.2km/h).
Average humidity in September
Méndez, Mexico
- Average humidity in September: 65%
The month with the highest relative humidity is September (65%).
The month with the lowest relative humidity is April (52%).
Average rainfall in September
Méndez, Mexico
- Average rainfall in September: 82mm
The wettest month (with the highest rainfall) is September (82mm).
The driest month (with the least rainfall) is February (7mm).
Average rainfall days in September
Méndez, Mexico
- Average rainfall days in September: 19.5 days
The month with the highest number of rainy days is September (19.5 days).
The month with the least rainy days is December (5.8 days).
Average snowfall in September
Méndez, Mexico
- Average snowfall in September: 0mm
The month with the highest snowfall is December (4mm).
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
Méndez, Mexico
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is January (0.2 days).
The months with the least snowfall days are February, March, April, May, June, July, August, September, October and November (0 days).
Average daylight in September /
Average sunshine in September
Méndez, 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: 9h and 6min
The month with the most sunshine is June (Average sunshine: 11h and 30min).
The months with the least sunshine are November and December (Average sunshine: 7h and 6min).
Average sunshine days in September
Méndez, Mexico
- Average sunshine days in September: 5.9 days
The month with the most sunshine days is December (22.9 days).
The month with the least sunshine days is September (5.9 days).
Average UV index in September
Méndez, Mexico
- Average UV index in September: 6
The months with the highest UV index are April, May, June, July and August (UV index 7).
The month with the lowest UV index is December (UV index 4).
Average cloud cover in September
Méndez, Mexico
- Average cloud cover in September: 27
The month with the most cloud cover is September (Cloud cover 27).
The month with the least cloud cover is August (Cloud cover 15).
Average visibility in September
Méndez, Mexico
- Average visibility in September: 10km
The months with the highest visibility are January, February, March, April, May, June, July, August, September, October, November and December (10km).
The months with the lowest visibility are January, February, March, April, May, June, July, August, September, October, November and December (10km).





