September weather forecast
Cacahoatán, Mexico

September

Weather in September

September, the first month of the autumn in Cacahoatán, is also a hot month, with an average temperature varying between 23.8°C (74.8°F) and 30.1°C (86.2°F).

Temperature

Cacahoatán signifies an average high-temperature of a still hot 30.1°C (86.2°F) in September, closely mirroring the 30.7°C (87.3°F) of August. In the month of September, the temperature generally rests at an average low of 23.8°C (74.8°F).

Heat index

The heat index for September is calculated to be a fiery hot 37°C (98.6°F). Take more preventive steps, risk of heat exhaustion and heat cramps is elevated. Long activity may culminate in heatstroke.
Take into consideration that the heat index values are calculated for shade and light wind conditions. The heat index values could be amplified by up to 15 Fahrenheit (8 Celsius) degrees in direct sunlight.
Note: The heat index, also known as 'real feel' or 'apparent temperature', offers an insight into how hot it feels when we factor in moisture content. This impact is subjective, influenced by the person's physical activity and individual heat perception, affected by factors including wind, attire, and metabolic differences. 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 hold particular importance for children. Youngsters frequently overlook the need for breaks and fluid intake. Thirst is an advanced sign of dehydration - thereby highlighting the importance of keeping hydrated, particularly during long physical activities.
Perspiration, followed by sweat evaporation, is the human body's chief method to maintain a balanced temperature. In conditions of both high temperature and humidity (a high heat index), sweating is limited and the perception of heat is enhanced. The body faces dehydration threats when its cooling efforts are outpaced by excessive heat gain.

Humidity

The average relative humidity in September is 75%.

Rainfall

In September, in Cacahoatán, the rain falls for 27.6 days. Throughout September, 167mm (6.57") of precipitation is accumulated. Throughout the year, there are 226.8 rainfall days, and 1216mm (47.87") of precipitation is accumulated.

Daylight

The average length of the day in September in Cacahoatán is 12h and 13min.
On the first day of the month, sunrise is at 5:56 am and sunset at 6:20 pm. On the last day of September, sunrise is at 5:58 am and sunset at 5:58 pm CST.

Sunshine

The average sunshine in September is 11h.

UV index

The months with the highest UV index are January through December, with an average maximum UV index of 7. The months with the lowest UV index are January through December, with an average maximum UV index of 7. A UV Index value of 6 to 7 symbolizes a high health hazard from unprotected exposure to Sun's UV rays for average individuals.
Note: The daily high UV index of 7 during September translates into the following recommendations:
Elude overexposure. Fair-skinned people could get burnt in less than 20 minutes. Stay out of direct sunlight and seek shade between 10 a.m. and 4 p.m., when UV radiation is strongest, but remember that shade devices may not offer full sun protection. In the presence of strong sunlight, it's crucial to wear sunglasses that ward off UVA and UVB rays.

Frequently asked questions

How hot is it in September?
The average high-temperature, in September, in Cacahoatán, is 30.1°C (86.2°F), while the average low-temperature is 23.8°C (74.8°F). In September, the average heat index (a.k.a. 'apparent temperature', 'felt air temperature'), which represents the influence of relative humidity on air temperature, is calculated to be 37°C (98.6°F).
What is the average humidity in September?
In Cacahoatán, Mexico, the average relative humidity in September is 75%.
How much does it rain in Cacahoatán in September?
In Cacahoatán, Mexico, in September, it is raining for 27.6 days, with typically 167mm (6.57") of accumulated precipitation.
How many hours of daylight does Cacahoatán have in September?
In Cacahoatán, the average day length in September is 12h and 13min.
What time are sunrise and sunset in September?
In September, on the first day of the month, sunrise is at 5:56 am and sunset at 6:20 pm. On the last day of the month, sunrise is at 5:58 am and sunset at 5:58 pm CST.
How many hours of sunshine does Cacahoatán have in September?
In Cacahoatán, the average sunshine duration in September is 11h.
What are the months with the highest UV index?
The months with the highest UV index are January through December, with an average maximum UV index of 7.
What are the months with the lowest UV index in Cacahoatán?
January through December, with an average maximum UV index of 7, are months with the lowest UV index.
What is the UV index reading in September in Cacahoatán?
The average daily maximum UV index in September is 7. A UV Index value of 6 to 7 symbolizes a high health risk from unsafe exposure to Sun's UV rays.
Average high temperature
Average low temperature
Average wind speed
Average max. wind speed
Average wind speed gusts
Average humidity
Average rainfall
Average rainfall days
Average daylight
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility
Average temperature in September
Cacahoatán, Mexico
  • Average high temperature in September: 30.1°C

The warmest month (with the highest average high temperature) is April (31.8°C).
The month with the lowest average high temperature is October (29.7°C).

  • Average low temperature in September: 23.8°C

The month with the highest average low temperature is May (25.1°C).
The coldest months (with the lowest average low temperature) are January and December (22.2°C).

Average pressure in September
Cacahoatán, Mexico
  • Average pressure in September: 1012mbar

The month with the highest atmospheric pressure is January (1013.8mbar).
The month with the lowest atmospheric pressure is October (1011.6mbar).

Average wind speed in September
Cacahoatán, Mexico
  • Average wind speed in September: 7km/h

The windiest month (with the highest average wind speed) is March (8.1km/h).
The calmest month (with the lowest average wind speed) is November (6.4km/h).

Average humidity in September
Cacahoatán, Mexico
  • Average humidity in September: 75%

The month with the highest relative humidity is October (76%).
The months with the lowest relative humidity are January, February and March (63%).

Average rainfall in September
Cacahoatán, Mexico
  • Average rainfall in September: 167mm

The wettest month (with the highest rainfall) is May (244mm).
The driest month (with the least rainfall) is January (6mm).

Average rainfall days in September
Cacahoatán, Mexico
  • Average rainfall days in September: 27.6 days

The month with the highest number of rainy days is May (29.1 days).
The month with the least rainy days is January (3.9 days).

Average daylight in September /
Average sunshine in September
Cacahoatán, Mexico
  • Average daylight in September: 12h and 1min

The month with the longest days is June (Average daylight: 13h and 0min).
The month with the shortest days is December (Average daylight: 11h and 18min).

  • Average sunshine in September: 11h and 0min

The months with the most sunshine are May and July (Average sunshine: 11h and 12min).
The month with the least sunshine is October (Average sunshine: 7h and 6min).

Average sunshine days in September
Cacahoatán, Mexico
  • Average sunshine days in September: 1.5 days

The month with the most sunshine days is January (22.8 days).
The month with the least sunshine days is May (0.6 days).

Average UV index in September
Cacahoatán, Mexico
  • Average UV index in September: 7

The months with the highest UV index are January, February, March, April, May, June, July, August, September, October, November and December (UV index 7).
The months with the lowest UV index are January, February, March, April, May, June, July, August, September, October, November and December (UV index 7).

Average cloud cover in September
Cacahoatán, Mexico
  • Average cloud cover in September: 35

The month with the most cloud cover is June (Cloud cover 36).
The months with the least cloud cover are January and December (Cloud cover 11).

Average visibility in September
Cacahoatán, Mexico
  • Average visibility in September: 10km

The months with the highest visibility are January, February, March, April, June, July, September, October, November and December (10km).
The months with the lowest visibility are May and August (9km).

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