September weather forecastTlacotalpan, Mexico

Weather in September

The first month of the autumn, September, is still a hot month in Tlacotalpan, Mexico, with an average temperature fluctuating between 22.4°C (72.3°F) and 30.9°C (87.6°F).

Temperature

Tlacotalpan signifies an average high-temperature of a still hot 30.9°C (87.6°F) in September, closely mirroring the 32.2°C (90°F) of August. Tlacotalpan's nights in September cool down to an average low-temperature of 22.4°C (72.3°F).

Heat index

September's mean heat index is estimated at a blistering 42°C (107.6°F). More preventive actions are needed, risk of heat exhaustion and heat cramps is significant. Prolonged activity may trigger heatstroke.
Heat index's context suggests values are appropriate for shady areas and slight breezes. Direct exposure to sunshine could lead to a heat index increase by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'felt air temperature' or 'apparent temperature', is an indicator that blends the effects of temperature and humidity to depict perceived warmth. The influence of weather is personal, with varied individuals experiencing it differently due to differences in body mass, stature, and physical exertion 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 particularly relevant to children. Kids are usually more vulnerable than adults, given their lesser sweating ability. Along with their larger skin surface relative to their small stature and the excess heat due to their activity, their risk is amplified.
The innate cooling system of the human body revolves around perspiration, with the evaporation of sweat being central to this process. 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 can ensue when the body accumulates more heat than it can release, and dehydration severity may vary.

Humidity

The months with the highest humidity are September through December, with an average relative humidity of 84%.

Rainfall

The month with the most rainfall in Tlacotalpan is September, when the rain falls for 27.2 days and typically aggregates up to 156mm (6.14") of precipitation.

Daylight

The average length of the day in September in Tlacotalpan is 12h and 14min.
On the first day of the month, sunrise is at 6:08 am and sunset at 6:36 pm. On the last day of September, in Tlacotalpan, sunrise is at 6:13 am and sunset at 6:11 pm CST.

Sunshine

The average sunshine in September is 8.3h.

UV index

The average daily maximum UV index in September is 6. A UV Index of 6 to 7 symbolizes a high health hazard from exposure to the Sun's UV radiation for ordinary individuals.
Note: A maximum UV index of 6 in September translates into the following recommendations:
Implement preventive steps and embrace sun safety standards. Protection from skin and eye distress is compulsory. 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. Stay sun-safe with clothing that is both closely woven and worn loosely.