September weather forecastDzibilchaltún, Mexico

Weather in September

September, the first month of the autumn in Dzibilchaltún, is still a tropical month, with temperature in the range of an average low of 23.3°C (73.9°F) and an average high of 33.6°C (92.5°F).

Temperature

The average high-temperature is a hot 33.6°C (92.5°F) in September, hardly different from the 35°C (95°F) recorded in August. Throughout September, Dzibilchaltún experiences a low-temperature average of 23.3°C (73.9°F).

Heat index

September's mean heat index is evaluated at a blazing hot 49°C (120.2°F). Keep on guard: Heat exhaustion and heat cramps are probable. Heatstroke is a possible danger with ongoing physical activity.
Consider that heat index readings are for situations in the shade and light wind. The heat index can potentially augment by 15 Fahrenheit (8 Celsius) degrees due to direct sunlight.
Note: The heat index, also known as 'apparent temperature' or 'feels like', arises from combining readings of air temperature and relative moisture content. The influence of weather is personal, with a diverse population experiencing it differently due to differences in body mass, stature, and degree of activity. Take note that direct exposure to the sun can increase the felt temperature, possibly adding 15 Fahrenheit (8 Celsius) degrees to the heat index. Heat index values are highly critical for babies and toddlers. Young individuals are typically more threatened than adults due to their reduced perspiration. Also, the larger skin surface proportionate to their small bodies and the increased heat from their activities magnify their risk.
As a reaction to high temperatures, the human body begins to perspire, using the evaporation of sweat to lower its temperature. A surge in relative humidity can disrupt the body's normal cooling function by slowing evaporation, hence reducing the rate at which the body cools and intensifying the perception of heat. Overheating and potential dehydration arise when body heat gain eclipses its release capability.

Humidity

September and October, with an average relative humidity of 78%, are the most humid months in Dzibilchaltún.

Rainfall

In Dzibilchaltún, in September, it is raining for 20.4 days, with typically 70mm (2.76") of accumulated precipitation. Throughout the year, in Dzibilchaltún, there are 167.3 rainfall days, and 536mm (21.1") of precipitation is accumulated.

Daylight

The average length of the day in September is 12h and 16min.
On the first day of the month, sunrise is at 5:42 am and sunset at 6:14 pm. On the last day of September, in Dzibilchaltún, sunrise is at 5:49 am and sunset at 5:46 pm CST.

Sunshine

In September, the average sunshine in Dzibilchaltún, Mexico, is 9.4h.

UV index

February through October, with an average maximum UV index of 7, are months with the highest UV index. A UV Index value of 6 to 7 symbolizes a high health vulnerability from exposure to the Sun's UV radiation for the ordinary person.
Note: The UV index of 7 during September translates into the following guidance:
Follow precautions and abide by sun safety rules. Deterrence of sunburn is imperative. Stay in the shade and avoid direct Sun exposure from 10 a.m. to 4 p.m., a time when UV radiation is at its strongest, and remember that parasols or canopies do not offer full protection. Consider a wide-brim hat essential for effective sun defense covering your face, neck, and eyes.