September weather forecast
San Andrés Tuxtla, Mexico

The first month of the autumn, September, is also a moderately hot month in San Andrés Tuxtla, Mexico, with an average temperature ranging between min 22.2°C (72°F) and max 29°C (84.2°F).

Temperature

San Andrés Tuxtla indicates an average high-temperature of a warm 29°C (84.2°F) in September, showing minor variation from August's 30.1°C (86.2°F). Throughout the month of September, the average temperature in San Andrés Tuxtla dips to an agreeable 22.2°C (72°F) at night.

Heat index

In September, the average heat index is evaluated at a fiery hot 36°C (96.8°F). Incorporate extra safety measures to avoid heat exhaustion and heat cramps. Continuous activity could provoke heatstroke.
In terms of the heat index, values are set with light wind and shade conditions in mind. 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 'real feel', is an amalgamation of air temperature and humidity to express the equivalent perceived temperature. A person's impression of weather can be affected by numerous aspects, among them metabolic variations, pregnancy, and activity levels. 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 remain especially vital for babies and toddlers. Children often miss understanding the importance of rest and rehydration. Thirst usually appears late during dehydration - therefore, maintaining hydration, particularly during long physical activities, is essential.
When the body gets too warm, it perspires, leading to sweat evaporation which cools it down. Under high air temperature and humidity (high heat index) conditions, perspiration is limited, and the perception of heat is increased. As the body accumulates more heat than it can release, body temperature goes up, increasing the risk of heat-related health issues.

Humidity

The average relative humidity in September is 85%.

Rainfall

In San Andrés Tuxtla, in September, it is raining for 25.7 days, with typically 163mm (6.42") of accumulated precipitation. In San Andrés Tuxtla, during the entire year, the rain falls for 224.6 days and collects up to 1159mm (45.63") of precipitation.

Daylight

In San Andrés Tuxtla, Mexico, the average length of the day in September is 12h and 14min.
On the first day of the month, sunrise is at 6:06 am and sunset at 6:34 pm. On the last day of September, in San Andrés Tuxtla, sunrise is at 6:11 am and sunset at 6:09 pm CST.

Sunshine

In San Andrés Tuxtla, the average sunshine in September is 8.1h.

UV index

The average daily maximum UV index in September is 6. A UV Index of 6 to 7 symbolizes a high threat to health from unprotected exposure to Sun's UV rays for ordinary individuals.
Note: A maximum high UV index of 6 in September translates into the following recommendations:
Continue precautions and advocate sun safety advice. Deterrence of sunburn is indispensable. The Sun emits the most powerful UV radiation between 10 a.m. and 4 p.m. Try to avoid direct sunlight during this period. A hat with a generous brim can prevent nearly 50% of UV rays from reaching your eyes.