September weather forecast
Guillermo Zúñiga, Mexico

September, the first month of the autumn in Guillermo Zúñiga, is still a hot month, with an average temperature fluctuating between 30.8°C (87.4°F) and 20.5°C (68.9°F).

Temperature

Guillermo Zúñiga greets September with an average high-temperature of a still tropical 30.8°C (87.4°F), marking a slight deviation from the preceding month. During September, Guillermo Zúñiga's temperature averages to an agreeable 20.5°C (68.9°F) at night.

Heat index

The heat index value for September is appraised at a fiery hot 36°C (96.8°F). Implement heightened safety measures - risk of heat exhaustion and heat cramps is increased. Prolonged activity may result in heatstroke.
It is noted that heat index values are ascertained for locations in the shade and with gentle breezes. Direct sunlight might cause an increase of up to 15 Fahrenheit (8 Celsius) degrees in the heat index.
Note: The heat index, also known as 'felt air temperature' or 'apparent temperature', is calculated by taking the relative humidity value for a specific location and factoring it into the air temperature reading. The influence of weather is personal, with a diverse population experiencing it differently due to differences in body mass, stature, and degree of activity. Direct sunlight can potentially raise the heat index by 15 Fahrenheit (8 Celsius) degrees, so it's crucial to consider. Heat index values are especially vital to children. Juveniles are regularly less conscious of the need to recuperate and rehydrate. Thirst is a tardy symptom of dehydration - hydration, especially during lengthy physical activities, should be maintained.
The physiological response of the human body to excess warmth is to perspire, thereby cooling itself through sweat evaporation. 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. When the body is unable to balance heat gain, its temperature elevates, which may induce thermal illnesses.

Humidity

With an average relative humidity of 68%, September is the most humid month.

Rainfall

In Guillermo Zúñiga, in September, it is raining for 16.7 days, with typically 72mm (2.83") of accumulated precipitation. Throughout the year, there are 132.3 rainfall days, and 428mm (16.85") of precipitation is accumulated.

Daylight

In September, the average length of the day is 12h and 17min.
On the first day of September in Guillermo Zúñiga, sunrise is at 6:18 am and sunset at 6:54 pm. On the last day of the month, sunrise is at 6:28 am and sunset at 6:24 pm CST.

Sunshine

In Guillermo Zúñiga, Mexico, the average sunshine in September is 9.3h.

UV index

In Guillermo Zúñiga, the average daily maximum UV index in September is 6. A UV Index value of 6 to 7 symbolizes a high health hazard from exposure to the Sun's UV radiation for the ordinary person.
Note: In September, the average maximum UV index of 6 translates into the following recommendations:
Guard oneself from overexposure. Defence against sun injury is vital. Seek shade and limit direct sun exposure between 10 a.m. and 4 p.m., the peak period for UV radiation. Keep in mind that shade structures like parasols or canopies do not offer complete sun protection. It's wise to wear UVA and UVB-blocking sunglasses when the sun shines brightly.