September weather forecastCepeda, Mexico
September
Weather in September
The first month of the autumn, September, is still a hot month in Cepeda, Mexico, with an average temperature varying between 30.8°C (87.4°F) and 25.3°C (77.5°F).Temperature
As September unfolds, the average high-temperature reaches a still tropical 30.8°C (87.4°F), hinting at a slight fluctuation from the previous month. An average low-temperature of 25.3°C (77.5°F) marks the month of September.Heat index
The heat index for September is computed to be a blisteringly hot 40°C (104°F). Take more caution, heat exhaustion and heat cramps may occur. Long-lasting activity may cause heatstroke.Heat index data is primarily for areas with shade and subjected to light winds. Under direct sunshine, the heat index values might be elevated by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'feels like' or 'real feel', is what the temperature feels like to the human body when the air temperature is combined with the relative humidity. One's weather perception can be influenced by a range of factors including metabolic differences, being pregnant, and their level of physical activity. Always consider that direct sunlight exposure might heighten the heat's effects, pushing the heat index up by 15 Fahrenheit (8 Celsius) degrees. Heat index values are quite important for children. Young individuals usually face more risks than adults due to their lower sweat production. Their large skin surface area relative to their tiny bodies and high heat production from their activities adds to their risk.
Perspiration, followed by sweat evaporation, is the human body's chief method to maintain a balanced temperature. Increased relative humidity slows down evaporation, thereby decreasing the rate of heat removal from the body, culminating in a sensation of overheating. If heat absorption isn't effectively countered by the body's cooling methods, body temperature surges, hinting at potential problems.
Humidity
The most humid month in Cepeda, Mexico, is September, with an average relative humidity of 78%.Rainfall
In Cepeda, in September, it is raining for 23.1 days, with typically 96mm (3.78") of accumulated precipitation. Throughout the year, there are 154.5 rainfall days, and 537mm (21.14") of precipitation is accumulated.Daylight
In Cepeda, the average length of the day in September is 12h and 15min.On the first day of September in Cepeda, sunrise is at 5:44 am and sunset at 6:15 pm. On the last day of the month, sunrise is at 5:51 am and sunset at 5:49 pm CST.
Sunshine
In Cepeda, the average sunshine in September is 10.3h.UV index
The months with the highest UV index are March through October, with an average maximum UV index of 7. A UV Index of 6 to 7 symbolizes a high health vulnerability from exposure to the Sun's UV rays for ordinary individuals.Note: A daily high UV index of 7 in September leads to these guidelines:
Follow precautions and abide by sun safety rules. Deterrence of sunburn is imperative. Stay in the shade and limit direct Sun exposure from 10 a.m. to 4 p.m., a time when UV radiation is particularly strong. Remember, however, that shade structures may not provide complete protection. To cut down UV radiation exposure by about half, sport a wide-brim hat.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Cepeda, Mexico
- Average high temperature in September: 30.8°C
The warmest month (with the highest average high temperature) is August (31.4°C).
The month with the lowest average high temperature is January (25.8°C).
- Average low temperature in September: 25.3°C
The month with the highest average low temperature is June (25.7°C).
The coldest month (with the lowest average low temperature) is January (20.7°C).
Average pressure in September
Cepeda, Mexico
- Average pressure in September: 1011.7mbar
The month with the highest atmospheric pressure is January (1017.5mbar).
The month with the lowest atmospheric pressure is September (1011.7mbar).
Average wind speed in September
Cepeda, Mexico
- Average wind speed in September: 15.8km/h
The windiest month (with the highest average wind speed) is March (20.9km/h).
The calmest month (with the lowest average wind speed) is September (15.8km/h).
Average humidity in September
Cepeda, Mexico
- Average humidity in September: 78%
The month with the highest relative humidity is September (78%).
The months with the lowest relative humidity are March and April (71%).
Average rainfall in September
Cepeda, Mexico
- Average rainfall in September: 96mm
The wettest month (with the highest rainfall) is June (103mm).
The driest month (with the least rainfall) is February (8mm).
Average rainfall days in September
Cepeda, Mexico
- Average rainfall days in September: 23.1 days
The month with the highest number of rainy days is September (23.1 days).
The month with the least rainy days is February (4.8 days).
Average daylight in September /
Average sunshine in September
Cepeda, 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: 10h and 18min
The month with the most sunshine is July (Average sunshine: 11h and 42min).
The month with the least sunshine is January (Average sunshine: 6h and 30min).
Average sunshine days in September
Cepeda, Mexico
- Average sunshine days in September: 4.6 days
The month with the most sunshine days is March (24.8 days).
The month with the least sunshine days is September (4.6 days).
Average UV index in September
Cepeda, Mexico
- Average UV index in September: 7
The months with the highest UV index are March, April, May, June, July, August, September and October (UV index 7).
The months with the lowest UV index are January, February, November and December (UV index 6).
Average cloud cover in September
Cepeda, Mexico
- Average cloud cover in September: 28
The month with the most cloud cover is January (Cloud cover 30).
The months with the least cloud cover are April and July (Cloud cover 19).
Average visibility in September
Cepeda, 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).





