September weather forecastYajalón, Mexico

Weather in September

The first month of the autumn, September, is still a tropical month in Yajalón, Mexico, with an average temperature ranging between max 31°C (87.8°F) and min 20.9°C (69.6°F).

Temperature

Yajalón measures an average high-temperature of a still tropical 31°C (87.8°F) in September, nearly consistent with the preceding month. In Yajalón, the average low-temperature during the month of September is a pleasant 20.9°C (69.6°F).

Heat index

The heat index for September is evaluated at a blistering 43°C (109.4°F). Be wary: Heat exhaustion and heat cramps are highly anticipated. With continued activity, heatstroke is very likely.
Bear in mind that the heat index values are determined for shaded areas and light breezes. Exposure to the direct sun might augment heat index values by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'felt air temperature' or 'feels like', reflects the blend of air temperature and relative humidity to give a temperature impression. The impact of weather is individual, with diverse individuals experiencing it differently due to variations in body mass, height, and activity levels. Considering the impact of direct sunlight, it's possible for the heat index to surge by up to 15 Fahrenheit (8 Celsius) degrees. Heat index values are quite important for children. 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.
Perspiration is the human body's physiological response to high temperatures and is an attempt to lower body temperature through evaporation of sweat. In circumstances of high air temperature and humidity (high heat index), the body's perspiration is restricted, heightening the feeling of warmth. The body is at risk of dehydration and related complications when it fails to shed excessive heat.

Humidity

In Yajalón, the average relative humidity in September is 85%.

Rainfall

In Yajalón, during September, the rain falls for 26.9 days and regularly aggregates up to 168mm (6.61") of precipitation. In Yajalón, during the entire year, the rain falls for 225.6 days and collects up to 1285mm (50.59") of precipitation.

Daylight

In September, the average length of the day in Yajalón is 12h and 14min.
On the first day of the month, sunrise is at 5:55 am and sunset at 6:22 pm. On the last day of September, in Yajalón, Mexico, sunrise is at 5:59 am and sunset at 5:58 pm CST.

Sunshine

In Yajalón, the average sunshine in September is 9h.

UV index

In Yajalón, the average daily maximum UV index in September is 6. A UV Index value of 6 to 7 symbolizes a high health vulnerability from exposure to the Sun's UV rays for average individuals.
Note: The daily maximum UV index of 6 in September interprets into the following advice:
Use measures and accept sun safety conventions. Guarding against skin and eye trauma is of high priority. 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. On days when the sun blazes, arm yourself with sunglasses that block UVA and UVB radiation.