September weather forecastCoatzacoalcos, Mexico

Weather in September

The first month of the autumn, September, is also a hot month in Coatzacoalcos, Mexico, with an average temperature varying between 24.3°C (75.7°F) and 30.3°C (86.5°F).

Temperature

The arrival of September brings an average high-temperature of a still hot 30.3°C (86.5°F), closely following the temperature pattern of August. In the month of September, Coatzacoalcos witnesses a consistent average low-temperature of 24.3°C (75.7°F).

Heat index

Throughout September, the heat index is calculated to be a very hot 39°C (102.2°F). More preventive actions are needed, risk of heat exhaustion and heat cramps is significant. Prolonged activity may trigger heatstroke.
It is important to note that the heat index values are for shaded areas and light wind scenarios. 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 'apparent temperature' or 'real feel', embodies the combination of air temperature and moisture content to illustrate perceived heat. The impact of weather on an individual can be subjective, affected by the person's activity and heat perception, which can vary due to elements including wind, clothing, and metabolic differences. When directly under the sun, the weather's impact can intensify, possibly boosting the heat index by 15 Fahrenheit (8 Celsius) degrees. Heat index values are highly critical for babies and toddlers. Children often fail to recognize the requirement to rest and rehydrate. Thirst, being a late symptom of dehydration, underlines the importance of maintaining hydration, especially during ongoing physical activities.
The human body normally cools itself by perspiration, as evaporated sweat carries heat away from the body. With higher relative humidity, the rate of evaporation is reduced, resulting in increased heat retention in the body compared to drier air. Inadequate heat shedding in the face of rising body temperatures hints at potential dehydration risks.

Humidity

In Coatzacoalcos, the average relative humidity in September is 82%.

Rainfall

In Coatzacoalcos, in September, it is raining for 26 days, with typically 139mm (5.47") of accumulated precipitation. Throughout the year, there are 212.4 rainfall days, and 1053mm (41.46") of precipitation is accumulated.

Sea temperature

In September, the average sea temperature is 29.1°C (84.4°F).
Note: Ideal surface water temperatures for any water activity fall between 25°C (77°F) and 29°C (84.2°F), offering maximum enjoyment for lengthened periods.

Daylight

In September, the average length of the day is 12h and 14min.
On the first day of September, sunrise is at 6:03 am and sunset at 6:31 pm. On the last day of the month, sunrise is at 6:08 am and sunset at 6:06 pm CST.

Sunshine

The average sunshine in September is 8.6h.

UV index

March through September, with an average maximum UV index of 7, are months with the highest UV index. A UV Index value of 6 to 7 symbolizes a high threat to health from exposure to the Sun's UV radiation for the average person.
Note: A daily maximum UV index of 7 in September translates into the following instructions:
Take precautions and utilize sun safety practices. Protection against skin and eye damage is required. Try to minimize direct Sun exposure between 10 a.m. and 4 p.m., the peak period for UV radiation. Also note that objects like parasols or canopies might not provide complete sun protection. Combat UV radiation's detrimental effects with sun-safe clothing and UV-blocking eyewear. Take warning! Reflective sand and water surfaces intensify the Sun's UV rays.