September weather forecastCobá, Mexico
September
Weather in September
The first month of the autumn, September, is still a hot month in Cobá, Mexico, with temperature in the range of an average high of 31.3°C (88.3°F) and an average low of 25.7°C (78.3°F).Temperature
September's advent presents an average high-temperature of a still hot 31.3°C (88.3°F), indicating a slight variation from the conditions of the previous month. In Cobá, the average nighttime temperature during September is a warm 25.7°C (78.3°F).Heat index
The heat index in September is estimated at an extremely hot 42°C (107.6°F). Take more preventive steps, risk of heat exhaustion and heat cramps is elevated. Long activity may culminate in heatstroke.Understand that the heat index values take into account shaded locations and mild winds. Direct sunlight exposure may result in a rise of the heat index by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'felt air temperature' or 'apparent temperature', is calculated by taking the relative humidity value for a specific location and factoring it into the air temperature reading. The impact of weather is individual, with diverse individuals experiencing it differently due to variations in body mass, height, and activity levels. With the sun shining directly, it's crucial to understand that it can increase the heat index by up to 15 Fahrenheit (8 Celsius) degrees. Heat index values are particularly meaningful for babies and toddlers. Children often overlook the necessity for resting and fluid replenishment. Thirst is a late sign of dehydration - thus, it is critical to stay hydrated, especially during extended periods of physical activities.
Perspiring is the body's way of cooling down, particularly by allowing sweat to evaporate and take the heat with it. When there is an excess of moisture in the atmosphere, the efficiency of the evaporation process is lessened, leading to less efficient body cooling and a sensation of overheating. Heat-related disorders may develop if heat gain in the body overshadows its cooling capacity, leading to elevated temperatures.
Humidity
The average relative humidity in September is 79%.Rainfall
In Cobá, in September, during 23.2 rainfall days, 97mm (3.82") of precipitation is typically accumulated. Throughout the year, there are 210.8 rainfall days, and 810mm (31.89") of precipitation is accumulated.Daylight
In September, the average length of the day is 12h and 15min.On the first day of the month, sunrise is at 6:35 am and sunset at 7:06 pm. On the last day of September, in Cobá, sunrise is at 6:41 am and sunset at 6:39 pm EST.
Sunshine
In Cobá, the average sunshine in September is 9.1h.UV index
March through September, with an average maximum UV index of 7, are months with the highest UV index. A UV Index of 6 to 7 symbolizes a high health hazard from unprotected exposure to Sun's UV rays for ordinary individuals.Note: In September, the UV index of 7 transforms into the following advice:
Evade overexposure. Individuals with fair skin risk burning in under 20 minutes. 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. Employ a wide-brim hat for potent defense against up to 50% of UV rays.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Cobá, Mexico
- Average high temperature in September: 31.3°C
The warmest month (with the highest average high temperature) is August (31.8°C).
The month with the lowest average high temperature is January (26.7°C).
- Average low temperature in September: 25.7°C
The month with the highest average low temperature is August (26°C).
The coldest month (with the lowest average low temperature) is January (20.8°C).
Average pressure in September
Cobá, Mexico
- Average pressure in September: 1012.3mbar
The month with the highest atmospheric pressure is January (1017.4mbar).
The month with the lowest atmospheric pressure is September (1012.3mbar).
Average wind speed in September
Cobá, Mexico
- Average wind speed in September: 10km/h
The windiest month (with the highest average wind speed) is March (13.1km/h).
The calmest month (with the lowest average wind speed) is September (10km/h).
Average humidity in September
Cobá, Mexico
- Average humidity in September: 79%
The months with the highest relative humidity are June and October (80%).
The month with the lowest relative humidity is March (73%).
Average rainfall in September
Cobá, Mexico
- Average rainfall in September: 97mm
The wettest month (with the highest rainfall) is June (139mm).
The driest month (with the least rainfall) is March (21mm).
Average rainfall days in September
Cobá, Mexico
- Average rainfall days in September: 23.2 days
The month with the highest number of rainy days is September (23.2 days).
The month with the least rainy days is April (11.3 days).
Average daylight in September /
Average sunshine in September
Cobá, 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 6min
The months with the most sunshine are July and August (Average sunshine: 9h and 12min).
The month with the least sunshine is January (Average sunshine: 7h and 54min).
Average sunshine days in September
Cobá, Mexico
- Average sunshine days in September: 4.8 days
The month with the most sunshine days is April (15.8 days).
The month with the least sunshine days is September (4.8 days).
Average UV index in September
Cobá, 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, February, October, November and December (UV index 6).
Average cloud cover in September
Cobá, Mexico
- Average cloud cover in September: 33
The month with the most cloud cover is June (Cloud cover 39).
The month with the least cloud cover is July (Cloud cover 27).
Average visibility in September
Cobá, Mexico
- Average visibility in September: 10km
The months with the highest visibility are January, February, March, April, May, June, July, August, September, November and December (10km).
The month with the lowest visibility is October (9km).





