September weather forecast
San Antonio Tepetlapa, Mexico

September

Weather in September

The first month of the autumn, September, is still a warm month in San Antonio Tepetlapa, Mexico, with an average temperature varying between 23.1°C (73.6°F) and 29°C (84.2°F).

Temperature

Upon the onset of September, San Antonio Tepetlapa witnesses an average high-temperature of a warm 29°C (84.2°F), showing a close resemblance to the prior month. The nighttime temperature in San Antonio Tepetlapa, during September, averages of 23.1°C (73.6°F).

Heat index

For September, the heat index is computed to be a sweltering 35°C (95°F). Take greater precautions, heat exhaustion and heat cramps may be expected. Heatstroke could result from lengthy activity.
Factoring in the heat index, values are geared towards shaded areas with light breezes. The heat index could experience an increase of 15 Fahrenheit (8 Celsius) degrees due to direct sunlight.
Note: The heat index, also known as 'real feel' or 'felt air temperature', blends air temperature and moisture content to represent the felt temperature to humans. The individual's impression of temperature can be shaped by additional aspects such as metabolic variations, physical activity, and clothing. Recognize that direct exposure to the sun can escalate the heat effect, potentially adding 15 Fahrenheit (8 Celsius) degrees to the heat index. Heat index values are largely significant for babies and toddlers. Youths are typically more endangered than adults since they usually sweat less. Their larger skin surface concerning their smaller bodies and higher heat production due to activity further adds to their vulnerability.
Sweat evaporation plays a crucial role in cooling the human body, a process enabled by perspiration. An increase in relative humidity disrupts body cooling by slowing the evaporation rate, thereby reducing the rate at which the body cools and amplifying the sense of heat. Overheating dangers loom when the body's heat release mechanisms are overshadowed by excessive gain.

Humidity

With an average relative humidity of 79%, September is the most humid month in San Antonio Tepetlapa, Mexico.

Rainfall

The month with the most rainfall in San Antonio Tepetlapa is September, when the rain falls for 27.5 days and typically aggregates up to 160mm (6.3") of precipitation.

Daylight

In September, the average length of the day is 12h and 13min.
On the first day of the month, sunrise is at 6:19 am and sunset at 6:45 pm. On the last day of September, sunrise is at 6:22 am and sunset at 6:21 pm CST.

Sunshine

In San Antonio Tepetlapa, the average sunshine in September is 8.8h.

UV index

The months with the highest UV index in San Antonio Tepetlapa are February through July and September, with an average maximum UV index of 7. A UV Index reading of 6 to 7 represents a high threat to health from exposure to the Sun's UV radiation for ordinary individuals.
Note: An average maximum UV index of 7 in September leads to these recommendations:
Dodge overexposure. Fair-skinned people can get singed in less than 20 minutes. To the best of your ability, limit your exposure to the sun between the hours of 10 a.m. and 4 p.m., when UV radiation is at its peak. To mitigate harm from sun exposure, pick sunglasses offering UVA and UVB defense.

Frequently asked questions

How hot does it get in San Antonio Tepetlapa in September?
In September, in San Antonio Tepetlapa, the average high-temperature is 29°C (84.2°F), and the average low-temperature is 23.1°C (73.6°F). The average heat index (a.k.a. 'apparent temperature', 'real feel'), which takes the relative humidity and factors it into the air temperature reading, in September is computed to be 35°C (95°F).
What is the most humid month in San Antonio Tepetlapa?
The most humid month in San Antonio Tepetlapa, Mexico, is September, with an average relative humidity of 79%.
What is the average humidity in September in San Antonio Tepetlapa?
In September, the average relative humidity is 79%.
What is the rainiest month in San Antonio Tepetlapa?
September is the month with the most rainfall in San Antonio Tepetlapa, Mexico. Rain falls for 27.5 days and accumulates 160mm (6.3") of precipitation.
How many days does it rain in September in San Antonio Tepetlapa?
In San Antonio Tepetlapa, during September, the rain falls for 27.5 days and regularly aggregates up to 160mm (6.3") of precipitation.
What is the average length of the day in September in San Antonio Tepetlapa?
In San Antonio Tepetlapa, Mexico, the average day length in September is 12h and 13min.
What time are sunrise and sunset in September in San Antonio Tepetlapa?
In September, on the first day of the month, sunrise is at 6:19 am and sunset at 6:45 pm. On the last day of the month, in San Antonio Tepetlapa, sunrise is at 6:22 am and sunset at 6:21 pm CST.
How long on average sun shines in September in San Antonio Tepetlapa?
The average sunshine duration in September is 8.8h.
What is the month with the highest UV index in San Antonio Tepetlapa?
The months with the highest UV index in San Antonio Tepetlapa, Mexico, are February through July and September, with an average maximum UV index of 7.
What is the UV index intensity in September in San Antonio Tepetlapa?
In San Antonio Tepetlapa, Mexico, the average daily maximum UV index in September is 7. A UV Index estimate of 6 to 7 represents a high health risk from unprotected exposure to UV radiation.
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 - San Antonio Tepetlapa, Mexico
Average temperature in September
San Antonio Tepetlapa, Mexico
  • Average high temperature in September: 29°C

The warmest month (with the highest average high temperature) is May (30.9°C).
The month with the lowest average high temperature is January (28.9°C).

  • Average low temperature in September: 23.1°C

The month with the highest average low temperature is May (24.6°C).
The coldest months (with the lowest average low temperature) are January and December (21°C).

Average pressure in September - San Antonio Tepetlapa, Mexico
Average pressure in September
San Antonio Tepetlapa, Mexico
  • Average pressure in September: 1011.7mbar

The month with the highest atmospheric pressure is January (1014.2mbar).
The month with the lowest atmospheric pressure is May (1011.5mbar).

Average wind speed in September - San Antonio Tepetlapa, Mexico
Average wind speed in September
San Antonio Tepetlapa, Mexico
  • Average wind speed in September: 7.2km/h

The windiest month (with the highest average wind speed) is April (8.9km/h).
The calmest month (with the lowest average wind speed) is November (7.1km/h).

Average humidity in September - San Antonio Tepetlapa, Mexico
Average humidity in September
San Antonio Tepetlapa, Mexico
  • Average humidity in September: 79%

The month with the highest relative humidity is September (79%).
The month with the lowest relative humidity is March (63%).

Average rainfall in September - San Antonio Tepetlapa, Mexico
Average rainfall in September
San Antonio Tepetlapa, Mexico
  • Average rainfall in September: 160mm

The wettest month (with the highest rainfall) is September (160mm).
The driest month (with the least rainfall) is December (2mm).

Average rainfall days in September - San Antonio Tepetlapa, Mexico
Average rainfall days in September
San Antonio Tepetlapa, Mexico
  • Average rainfall days in September: 27.5 days

The month with the highest number of rainy days is September (27.5 days).
The months with the least rainy days are January and February (3.1 days).

Average daylight in September / Average sunshine in September - San Antonio Tepetlapa, Mexico
Average daylight in September /
Average sunshine in September
San Antonio Tepetlapa, Mexico
  • Average daylight in September: 12h and 1min

The month with the longest days is June (Average daylight: 13h and 6min).
The month with the shortest days is December (Average daylight: 11h and 12min).

  • Average sunshine in September: 8h and 5min

The month with the most sunshine is May (Average sunshine: 10h and 48min).
The month with the least sunshine is November (Average sunshine: 7h and 36min).

Average sunshine days in September - San Antonio Tepetlapa, Mexico
Average sunshine days in September
San Antonio Tepetlapa, Mexico
  • Average sunshine days in September: 0.9 days

The month with the most sunshine days is December (26 days).
The month with the least sunshine days is September (0.9 days).

Average UV index in September - San Antonio Tepetlapa, Mexico
Average UV index in September
San Antonio Tepetlapa, Mexico
  • Average UV index in September: 7

The months with the highest UV index are February, March, April, May, June, July and September (UV index 7).
The months with the lowest UV index are January, August, October, November and December (UV index 6).

Average cloud cover in September - San Antonio Tepetlapa, Mexico
Average cloud cover in September
San Antonio Tepetlapa, Mexico
  • Average cloud cover in September: 37

The month with the most cloud cover is September (Cloud cover 37).
The months with the least cloud cover are February and December (Cloud cover 9).

Average visibility in September - San Antonio Tepetlapa, Mexico
Average visibility in September
San Antonio Tepetlapa, 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).

englishespañol中文
Share