September weather forecastKopomá, Mexico

Weather in September

The first month of the autumn, September, is still a tropical month in Kopomá, Mexico, with an average temperature ranging between min 23.3°C (73.9°F) and max 33.6°C (92.5°F).

Temperature

The advent of September denotes an average high-temperature of a tropical 33.6°C (92.5°F), subtly different from August's 35°C (95°F). In Kopomá, September nights witness a steady temperature drop to a moderately hot 23.3°C (73.9°F).

Heat index

September's heat index is estimated at a blazing hot 49°C (120.2°F). Attention: Heat exhaustion and heat cramps are anticipated. Prolonged effort can result in heatstroke.
When referencing the heat index, its values are suitable for shady environments and light breezes. Direct sunlight can cause a surge in the heat index by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'apparent temperature' or 'felt air temperature', is derived by integrating air temperature with the existing relative humidity to express the perceived warmth. A person's impression of weather can be affected by numerous aspects, among them metabolic variations, pregnancy, and activity levels. Direct sun exposure is noteworthy in its ability to escalate the felt temperature, potentially adding 15 Fahrenheit (8 Celsius) degrees to the heat index. Heat index values hold particular significance for children. Kids generally face higher risks than adults as they sweat less. Along with their large skin surface compared to their small bodies and higher heat production due to their activities, their vulnerability is increased.
In high temperatures, perspiration kicks in, allowing the human body to cool down through the evaporation of sweat. When the air contains significant moisture, the efficiency of the evaporation process decreases, preventing the body from cooling down effectively and creating a feeling of overheating. When heat gain surpasses the level the body can shed, body temperature begins to increase, and consequently, overheating and dehydration can occur, with varying severity.

Humidity

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

Rainfall

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

Daylight

In Kopomá, the average length of the day in September is 12h and 15min.
On the first day of the month, sunrise is at 5:43 am and sunset at 6:15 pm. On the last day of September, sunrise is at 5:50 am and sunset at 5:48 pm CST.

Sunshine

In Kopomá, the average sunshine in September is 9.4h.

UV index

The months with the highest UV index are February through October, with an average maximum UV index of 7. A UV Index estimate of 6 to 7 represents a high health hazard from unprotected exposure to Sun's UV rays for average individuals.
Note: A maximum high UV index of 7 in September translates into the following recommendations:
Eschew overexposure. Those with light skin may suffer burns in fewer than 20 minutes. Avoid direct sunlight between the hours of 10 a.m. and 4 p.m., when UV radiation is at its peak. Keep in mind that shade structures may not provide complete protection. A hat with a broad brim is indispensable, filtering out up to half of UV rays.