September weather forecastMecayapan, Mexico
September
Weather in September
The first month of the autumn, September, is also a hot month in Mecayapan, Mexico, with an average temperature ranging between max 30.4°C (86.7°F) and min 23.3°C (73.9°F).Temperature
September's onset records a minor alteration in the average high-temperature to a still tropical 30.4°C (86.7°F) from August's 31.1°C (88°F). An average nighttime temperature of 23.3°C (73.9°F) is observed during September.Heat index
The heat index for September is evaluated at a blistering 40°C (104°F). Adopt extra safety steps, risk of heat exhaustion and heat cramps is notable. Sustained activity might cause heatstroke.Note that heat index values are valued for light wind and location in the shade. Exposing to direct sunshine may enhance heat index values by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'feels like' or 'apparent temperature', binds temperature metrics with humidity values to give a sense of the actual warmth. A person's impression of weather can be swayed by numerous aspects, among them metabolic variations, pregnancy, and activity levels. One's exposure to direct sunlight has the potential to intensify the heat sensation, increasing the heat index by up to 15 Fahrenheit (8 Celsius) degrees. Heat index values are particularly relevant to children. Kids frequently ignore the importance of taking a break and rehydrating. Thirst is a late symptom of dehydration - thus, it is crucial to stay hydrated, especially during long-lasting physical activities.
Humans rely on perspiration as a cooling mechanism, wherein the evaporating sweat counteracts excessive warmth. When there is abundant moisture in the air, the body's cooling through the evaporation process becomes less effective, leading to the sensation of overheating. When body temperature rises due to excess heat gain beyond its removal capability, one might experience heat-related disorders.
Humidity
The average relative humidity in September is 83%.Rainfall
In Mecayapan, Mexico, in September, during 25.5 rainfall days, 131mm (5.16") of precipitation is typically accumulated. Throughout the year, in Mecayapan, there are 230.8 rainfall days, and 1036mm (40.79") of precipitation is accumulated.Daylight
The average length of the day in September in Mecayapan is 12h and 14min.On the first day of the month, sunrise is at 6:05 am and sunset at 6:33 pm. On the last day of September, in Mecayapan, sunrise is at 6:09 am and sunset at 6:08 pm CST.
Sunshine
In Mecayapan, the average sunshine in September is 8.4h.UV index
March through September, with an average maximum UV index of 7, are months with the highest UV index in Mecayapan. A UV Index of 6 to 7 symbolizes a high threat to health from unsafe exposure to UV radiation for average individuals.Note: The maximum daily UV index, 7 in September, converts into the following recommendations:
Escape overexposure. People with light skin may incur burns in fewer than 20 minutes. Between 10 a.m. and 4 p.m., UV radiation is strongest. Make an effort to avoid direct sunlight during this time, remembering that shade structures may not provide full sun protection. To best shield against UV radiation, choose sun-safe garments and dependable sunglasses.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Mecayapan, Mexico
- Average high temperature in September: 30.4°C
The warmest month (with the highest average high temperature) is May (34.1°C).
The month with the lowest average high temperature is January (24.8°C).
- Average low temperature in September: 23.3°C
The months with the highest average low temperature are May and June (24.3°C).
The coldest month (with the lowest average low temperature) is January (18.3°C).
Average pressure in September
Mecayapan, Mexico
- Average pressure in September: 1011.6mbar
The month with the highest atmospheric pressure is January (1017.6mbar).
The month with the lowest atmospheric pressure is May (1010.9mbar).
Average wind speed in September
Mecayapan, Mexico
- Average wind speed in September: 7.3km/h
The windiest months (with the highest average wind speed) are January and April (9.3km/h).
The calmest month (with the lowest average wind speed) is September (7.3km/h).
Average humidity in September
Mecayapan, Mexico
- Average humidity in September: 83%
The months with the highest relative humidity are January, November and December (85%).
The months with the lowest relative humidity are April and May (70%).
Average rainfall in September
Mecayapan, Mexico
- Average rainfall in September: 131mm
The wettest month (with the highest rainfall) is October (154mm).
The driest month (with the least rainfall) is April (17mm).
Average rainfall days in September
Mecayapan, Mexico
- Average rainfall days in September: 25.5 days
The month with the highest number of rainy days is July (26.3 days).
The month with the least rainy days is April (10.8 days).
Average daylight in September /
Average sunshine in September
Mecayapan, Mexico
- Average daylight in September: 12h and 12min
The month with the longest days is June (Average daylight: 13h and 12min).
The month with the shortest days is December (Average daylight: 11h and 6min).
- Average sunshine in September: 8h and 24min
The month with the most sunshine is May (Average sunshine: 11h and 6min).
The month with the least sunshine is December (Average sunshine: 5h and 12min).
Average sunshine days in September
Mecayapan, Mexico
- Average sunshine days in September: 2.8 days
The month with the most sunshine days is April (17.8 days).
The month with the least sunshine days is July (2.4 days).
Average UV index in September
Mecayapan, Mexico
- Average UV index in September: 7
The months with the highest UV index are March, April, May, June, July, August and September (UV index 7).
The months with the lowest UV index are January and December (UV index 5).
Average cloud cover in September
Mecayapan, Mexico
- Average cloud cover in September: 38
The month with the most cloud cover is January (Cloud cover 51).
The month with the least cloud cover is April (Cloud cover 23).
Average visibility in September
Mecayapan, Mexico
- Average visibility in September: 9km
The months with the highest visibility are April and May (10km).
The months with the lowest visibility are January, November and December (8km).





