September weather forecast
Las Varas, Mexico

The first month of the autumn, September, is also a moderately hot month in Las Varas, Mexico, with an average temperature fluctuating between 29.6°C (85.3°F) and 20.4°C (68.7°F).

Temperature

Las Varas's entry into September measures an average high-temperature of a warm 29.6°C (85.3°F), closely parallel to the preceding month. During the nights in September, the temperature averages to a pleasant 20.4°C (68.7°F).

Heat index

September's mean heat index is appraised at a very hot 38°C (100.4°F). Extra precautions are necessary, heat cramps and heat exhaustion are plausible outcomes. Extended activity could lead to heatstroke.
Thinking about the heat index, one should account for its values in shaded areas with gentle breezes. Heat index values may surge by up to 15 Fahrenheit (8 Celsius) degrees in the presence of direct sunlight.
Note: The heat index, also known as 'real feel' or 'feels like', gauges the sensation of temperature factoring in the air's moisture content. The influence of weather can be personal, changing with an individual's body mass, height, and level of physical exertion. In the direct sunlight, the weather's impact can be amplified, possibly boosting the heat index by up to 15 Fahrenheit (8 Celsius) degrees. Heat index values are essentially critical for children. Young ones are generally at greater risk than adults due to their limited sweating ability. In addition, their large skin surface relative to their small bodies and higher heat production from their activities add to their vulnerability.
Perspiration is the human body's physiological response to high temperatures and is an attempt to lower body temperature through evaporation of sweat. High relative humidity reduces the evaporation rate, resulting in a lower heat removal rate from the body, causing the perception of being overheated. Overheating can ensue when the body accumulates more heat than it can release, and dehydration severity may vary.

Humidity

August and September, with an average relative humidity of 86%, are the most humid months.

Rainfall

In September, the rain falls for 29 days. Throughout September, 339mm (13.35") of precipitation is accumulated. Throughout the year, there are 164.8 rainfall days, and 1589mm (62.56") of precipitation is accumulated.

Daylight

The average length of the day in September is 12h and 16min.
On the first day of September, sunrise is at 5:44 am and sunset at 6:16 pm. On the last day of the month, sunrise is at 5:51 am and sunset at 5:48 pm MST.

Sunshine

In Las Varas, the average sunshine in September is 7.5h.

UV index

The months with the highest UV index are February through November, with an average maximum UV index of 6. A UV Index estimate of 6 to 7 represents a high health vulnerability from exposure to the Sun's UV radiation for the ordinary person.
Note: The maximum daily UV index, 6 in September, converts into the following recommendations:
Follow precautions and abide by sun safety rules. Deterrence of sunburn is imperative. Remember that the sun's UV radiation is strongest between 10 a.m. and 4 p.m. Make an effort to avoid direct sun exposure during these hours. On sunny days, it's ideal to wear sunglasses that filter out UVA and UVB rays.