September weather forecastSunuapa, Mexico

Weather in September

The first month of the autumn, September, is still a tropical month in Sunuapa, Mexico, with an average temperature ranging between min 22.7°C (72.9°F) and max 31.6°C (88.9°F).

Temperature

Welcoming September, Sunuapa notes an average high-temperature of a still tropical 31.6°C (88.9°F), nearly consistent with August's 32.8°C (91°F). During September, Sunuapa sees a mean low-temperature of 22.7°C (72.9°F).

Heat index

During September, the heat index is appraised at a blazing hot 46°C (114.8°F). Heed: Expect heat cramps and heat exhaustion. Continued action may cause heatstroke.
From a standpoint of the heat index, values pertain to shaded conditions and mild breezes. Exposure to direct sunlight may make the heat index values climb by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'felt air temperature' or 'real feel', is a composite of temperature and humidity figures to convey how warm it feels. This effect is personal, influenced by the individual's physical activity and heat sensitivity, shaped by factors including wind, attire, and metabolic variations. With direct sunlight, be aware that it might enhance the heat sensation, raising the heat index by up to 15 Fahrenheit (8 Celsius) degrees. Heat index values hold particular significance 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.
Perspiring is the body's way of cooling down, particularly by allowing sweat to evaporate and take the heat with it. 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. Heat-related disorders may develop if heat gain in the body overshadows its cooling capacity, leading to elevated temperatures.

Humidity

The average relative humidity in September is 87%.

Rainfall

In Sunuapa, during September, the rain falls for 25.8 days and regularly aggregates up to 211mm (8.31") of precipitation. Throughout the year, in Sunuapa, there are 217.8 rainfall days, and 1318mm (51.89") of precipitation is accumulated.

Daylight

In September, the average length of the day is 12h and 14min.
On the first day of September, sunrise is at 5:59 am and sunset at 6:26 pm. On the last day of the month, sunrise is at 6:03 am and sunset at 6:02 pm CST.

Sunshine

In September, the average sunshine in Sunuapa is 7.3h.

UV index

In September, the average daily maximum UV index is 6. A UV Index value of 6 to 7 symbolizes a high health hazard from exposure to the Sun's UV rays for the average person.
Note: The UV index of 6 during September leads to these advisories:
Continue precautions and advocate sun safety advice. Deterrence of sunburn is indispensable. 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. To best shield against UV radiation, choose sun-safe garments and dependable sunglasses.