September weather forecast
San Juan Guichicovi, Mexico

September, the first month of the autumn in San Juan Guichicovi, is still a hot month, with an average temperature varying between 22.7°C (72.9°F) and 32°C (89.6°F).

Temperature

Welcoming September, San Juan Guichicovi notes an average high-temperature of a still tropical 32°C (89.6°F), nearly consistent with August's 33.1°C (91.6°F). During the month of September, San Juan Guichicovi experiences a steady low-temperature average of 22.7°C (72.9°F).

Heat index

The heat index value for September is evaluated at a scorching 42°C (107.6°F). Heightened precautions are necessary, heat cramps and heat exhaustion are potential risks. Continuous activity could lead to heatstroke.
Heat index readings emphasize conditions of light breezes and shaded spots. 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 'real feel', is a measure of how hot it feels when the actual air humidity is factored in. One's perception of temperature can vary depending on physical activity and individual heat sensitivity, influenced by factors like wind, attire, and metabolic variations. Direct exposure to the sun's rays can enhance the felt temperature, increasing the heat index by up to 15 Fahrenheit (8 Celsius) degrees. Heat index values hold particular importance for children. Children often fail to understand the importance of rest and rehydration. Thirst is a late manifestation of dehydration - hence, it is crucial to stay hydrated, especially during ongoing physical activities.
Evaporation of sweat is the main factor behind the cooling effect of perspiration in the human body. With a lot of moisture in the air, the evaporation process is not as effective, and the body does not cool down as efficiently, creating a perception of overheating. Rising body temperatures resulting from an imbalance in heat absorption can lead to potential thermal issues.

Humidity

The most humid month is September, with an average relative humidity of 75%.

Rainfall

In San Juan Guichicovi, Mexico, in September, during 18.3 rainfall days, 69mm (2.72") of precipitation is typically accumulated. In San Juan Guichicovi, during the entire year, the rain falls for 110.2 days and collects up to 345mm (13.58") of precipitation.

Daylight

The average length of the day in September is 12h and 13min.
On the first day of the month, sunrise is at 6:06 am and sunset at 6:33 pm. On the last day of September, in San Juan Guichicovi, sunrise is at 6:10 am and sunset at 6:09 pm CST.

Sunshine

In San Juan Guichicovi, the average sunshine in September is 8.8h.

UV index

The months with the highest UV index in San Juan Guichicovi are February through September, with an average maximum UV index of 7. A UV Index reading of 6 to 7 represents a high health risk from unsafe exposure to UV radiation for the average person.
Note: The daily maximum UV index of 7 in September interprets into the following advice:
Apply measures and align with sun safety principles. Safeguarding against skin and eye injury is pivotal. Avoid exposure to the Sun and try to stay in the shade between 10 a.m. and 4 p.m., when UV radiation is most potent, but be aware that parasols or canopies may not offer full protection. Fend off the sun's harsh rays with appropriate clothing, a wide-brim hat, and UV-protective sunglasses.