September weather forecast
Seabrook, LA

The first month of the autumn, September, is also a hot month in Seabrook, Louisiana, with an average temperature fluctuating between 86.5°F (30.3°C) and 76.1°F (24.5°C).

Temperature

Seabrook, Louisiana, records an average high-temperature of a still tropical 86.5°F (30.3°C) in September, closely mirroring the climate of the previous month. The average nighttime temperature lowers to a moderately hot 76.1°F (24.5°C) throughout September.

Heat index

During September, the heat index is calculated to be a sweltering 98.6°F (37°C). Take more safety measures, heat exhaustion and heat cramps are potential outcomes. Persistent activity might lead to heatstroke.
It is essential to grasp that the heat index's numbers are for shade and light wind settings. 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 'apparent temperature' or 'real feel', is a numerical representation of warmth when taking temperature and moisture levels into account. The perception of temperature can be subjective, varying based on activity and individual heat sensitivity, influenced by factors like wind, attire, and metabolic variations. It is noteworthy that being in direct sunlight can enhance the weather's impact, raising the heat index by as much as 15 Fahrenheit (8 Celsius) degrees. Heat index values remain especially vital for babies and toddlers. In general, younger individuals are at greater risk than adults because they tend to sweat less. Also, having a larger skin surface to body size ratio and greater heat production due to their active behavior contribute to this danger.
The human body cools itself through perspiration, as excessive warmth is removed from the body through sweat evaporation. When there is an excess of moisture in the atmosphere, the efficiency of the evaporation process is lessened, leading to less efficient body cooling and a sensation of overheating. Heat disorders may be on the horizon when body temperatures rise from inadequate heat management.

Humidity

The average relative humidity in September is 73%.

Rainfall

In Seabrook, in September, during 18.5 rainfall days, 4.06" (103mm) of precipitation is typically accumulated. In Seabrook, during the entire year, the rain falls for 178.6 days and collects up to 44.25" (1124mm) of precipitation.

Daylight

The average length of the day in September is 12h and 20min.
On the first day of September, sunrise is at 6:37 am and sunset at 7:22 pm. On the last day of the month, sunrise is at 6:53 am and sunset at 6:46 pm CDT.

Sunshine

In September, the average sunshine is 10.1h.

UV index

In September, the average daily maximum UV index is 6. A UV Index value of 6 to 7 symbolizes a high health vulnerability from unsafe exposure to UV radiation for ordinary individuals.
Note: The maximum UV index, 6 during September, leads to the following recommendations:
Deflect overexposure. Sun protection is a necessity. Stay in the shade and limit direct Sun exposure from 10 a.m. to 4 p.m., a time when UV radiation is particularly strong. Remember, however, that shade structures may not provide complete protection. Sunglasses that guard against UVA and UVB rays are pivotal in minimizing sun-induced ocular damage.