September weather forecastJalahui, Mexico

Weather in September

The first month of the autumn, September, is also a hot month in Jalahui, Mexico, with an average temperature varying between 30.8°C (87.4°F) and 21.1°C (70°F).

Temperature

September's weather displays an average high-temperature of a still tropical 30.8°C (87.4°F), slightly varied from August's 31.8°C (89.2°F). The nighttime temperature in Jalahui, during September, averages of 21.1°C (70°F).

Heat index

The heat index value for September is computed to be a scorching 41°C (105.8°F). Adopt additional preventive measures, heat cramps and heat exhaustion are potential outcomes. Prolonged activity may trigger heatstroke.
Evaluating the heat index requires understanding its values in the shade and with gentle winds. 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 'real feel', unifies temperature and humidity readings to offer a comprehensive feel of warmth. Elements such as metabolic variations, pregnancy, and physical exertion can influence one's weather perception. It is noteworthy that being in direct sunlight can enhance the weather's impact, raising the heat index by as much as 15 Fahrenheit (8 Celsius) degrees. Heat index values are of high significance for children. Children are often less aware of the need to rest and re-hydrate. Thirst is a late sign of dehydration - it's vital to remain hydrated, particularly during prolonged physical activities.
The innate cooling system of the human body revolves around perspiration, with the evaporation of sweat being central to this process. Elevated relative humidity disrupts typical body cooling by reducing the evaporation rate, consequently decreasing the body's cooling rate and enhancing the feeling of heat. With body temperatures on the rise, inefficient heat shedding can lead to dehydration and its associated complications.

Humidity

The months with the highest humidity are January, September, November and December, with an average relative humidity of 83%.

Rainfall

In Jalahui, in September, it is raining for 25.5 days, with typically 130mm (5.12") of accumulated precipitation. Throughout the year, in Jalahui, there are 209 rainfall days, and 998mm (39.29") of precipitation is accumulated.

Daylight

The average length of the day in September is 12h and 14min.
On the first day of the month, sunrise is at 6:09 am and sunset at 6:36 pm. On the last day of September, sunrise is at 6:13 am and sunset at 6:12 pm CST.

Sunshine

In September, the average sunshine in Jalahui is 8.6h.

UV index

In Jalahui, the average daily maximum UV index in September is 6. A UV Index reading of 6 to 7 represents a high health vulnerability from exposure to the Sun's UV rays for the ordinary person.
Note: A typical high UV index of 6 in September suggests the following recommendations:
Use measures and accept sun safety conventions. Guarding against skin and eye trauma is of high priority. Stay out of direct sunlight between 10 a.m. and 4 p.m., when UV radiation is most intense, and remember that not all shade structures provide complete protection. Shield yourself from the harmful effects of UV radiation with sun-protective attire, a hat, and quality sunglasses.