September weather forecast
Guillermo Zúñiga, Mexico

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

Temperature

A minimal variation is noted in Guillermo Zúñiga's average high-temperature at the onset of September, reaching a still tropical 30.8°C (87.4°F) from August's 33.7°C (92.7°F). Guillermo Zúñiga throughout September, experiences an average nighttime temperature of 20.5°C (68.9°F).

Heat index

Throughout September, the heat index is appraised at a torrid 36°C (96.8°F). Use additional protective measures, heat cramps and heat exhaustion are possible outcomes. Continuous activity might lead to heatstroke.
Records show heat index calculations are tailored for shaded regions and mild winds. The heat index may scale up by 15 Fahrenheit (8 Celsius) degrees with direct sun exposure.
Note: The heat index, also known as 'felt air temperature' or 'real feel', is a calculated temperature value of how hot it feels when the moisture in the air is factored in. An individual's perception of weather can be swayed by a variety of elements including metabolic differences, pregnancy status, and their level of physical exertion. It is essential to realize that direct sunlight can escalate the perceived temperature, increasing the heat index by 15 Fahrenheit (8 Celsius) degrees. Heat index values hold particular importance for children. Kids are usually in more danger than grown-ups as they tend to sweat less. Plus, their bigger skin surface in relation to their small frames and increased heat generation due to their activity level make them more susceptible.
To prevent overheating and help regulate its internal temperature, the human body sweat and rely on the evaporation to cool down. 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 is the most humid month in Guillermo Zúñiga, with an average relative humidity of 68%.

Rainfall

In Guillermo Zúñiga, in September, during 16.7 rainfall days, 72mm (2.83") of precipitation is typically accumulated. In Guillermo Zúñiga, during the entire year, the rain falls for 132.3 days and collects up to 428mm (16.85") of precipitation.

Daylight

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

Sunshine

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

UV index

The average daily maximum UV index in September in Guillermo Zúñiga is 6. A UV Index of 6 to 7 symbolizes a high health hazard from unprotected exposure to Sun's UV rays for average individuals.
Note: The maximum daily UV index of 6 during September translates into the following directions:
Persist with safeguards and heed sun safety doctrines. Keeping sunburn at bay is of prime importance. The Sun's UV radiation is at its strongest between the hours of 10 a.m. and 4 p.m. Minimize direct exposure to the sun during this period. Limit sun-induced ocular harm with sunglasses that feature UVA and UVB filtration.