September weather forecast
Gentilly Terrace, LA

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Weather in September

The first month of the autumn, September, is still a hot month in Gentilly Terrace, Louisiana, with temperature in the range of an average high of 86.5°F (30.3°C) and an average low of 76.1°F (24.5°C).

Temperature

Gentilly Terrace starts September with an average high-temperature of a still hot 86.5°F (30.3°C), hinting at a minimal fluctuation from August. Gentilly Terrace records a steady low-temperature average of 76.1°F (24.5°C) during September.

Heat index

The heat index for September is estimated at a fiery hot 98.6°F (37°C). Additional precautions are required to avert heat cramps and heat exhaustion. Persistent activity may culminate in heatstroke.
Note that heat index values are valued for light wind and location in the shade. When exposed to the direct sun, the heat index may augment by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'apparent temperature' or 'real feel', is the result of factoring in humidity to the air temperature, indicating perceived warmth. The individual's experience of temperature can be shaped by numerous aspects such as metabolic variations, physical exertion, and attire. 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 quite important for babies and toddlers. Young children are generally more endangered than adults, as they usually less sweat. And also, due to larger skin surface relative to their small bodies and higher heat production as a result of their activity.
For the human body, perspiration is the go-to method to regulate temperature, using sweat's evaporation to dissipate warmth. In the presence of high relative humidity, the evaporation rate diminishes, resulting in the body retaining more warmth compared to dry conditions. Heat absorption that surpasses the body's shedding capability can lead to overheating and varying levels of dehydration.

Humidity

In September, the average relative humidity in Gentilly Terrace is 73%.

Rainfall

In Gentilly Terrace, Louisiana, in September, it is raining for 18.5 days, with typically 4.06" (103mm) of accumulated precipitation. Throughout the year, there are 178.6 rainfall days, and 44.25" (1124mm) of precipitation is accumulated.

Daylight

In Gentilly Terrace, 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 Gentilly Terrace, Louisiana, the average daily maximum UV index in September is 6. A UV Index estimate of 6 to 7 represents a high threat to health from exposure to the Sun's UV radiation for ordinary individuals.
Note: An average UV index of 6 in September transforms into this advice:
Take precautions and utilize sun safety practices. Protection against skin and eye damage is required. Stay in the shade and avoid direct Sun exposure from 10 a.m. to 4 p.m., a period when UV radiation is particularly strong, noting that parasols or canopies may not offer total sun protection. Employ a hat with a wide brim for robust protection, cutting UV exposure by half.
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Frequently asked questions

How hot does it get in Gentilly Terrace in September?

The average high-temperature and low-temperature in Gentilly Terrace, Louisiana, during September are 86.5°F (30.3°C) and 76.1°F (24.5°C) respectively. The average heat index (a.k.a. 'apparent temperature', 'felt air temperature'), which factors the actual air temperature with the relative humidity, in September is estimated at 98.6°F (37°C).

What is the average humidity in September in Gentilly Terrace?

The average relative humidity in September in Gentilly Terrace, Louisiana, is 73%.

How much does it rain in Gentilly Terrace in September?

In Gentilly Terrace, Louisiana, in September, it is raining for 18.5 days, with typically 4.06" (103mm) of accumulated precipitation.

How many hours of daylight does Gentilly Terrace have in September?

In September, the average day length in Gentilly Terrace, Louisiana, is 12h and 20min.

When are sunrise and sunset in September in Gentilly Terrace?

On the first day of September in Gentilly Terrace, Louisiana, 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.

How long on average sun shines in September in Gentilly Terrace?

In September, the average sunshine duration in Gentilly Terrace is 10.1h.

What is the UV index reading in September in Gentilly Terrace?

In Gentilly Terrace, Louisiana, the average daily maximum UV index in September is 6. A UV Index estimate of 6 to 7 represents a high health threat from unsafe exposure to Sun's UV rays.

Average temperature in September
Gentilly Terrace, LA

Average temperature in September - Gentilly Terrace, LA
  • Average high temperature in September: 86.5°F

The warmest month (with the highest average high temperature) is July (89.6°F).
The month with the lowest average high temperature is January (59.5°F).

  • Average low temperature in September: 76.1°F

The months with the highest average low temperature are July and August (79.3°F).
The coldest month (with the lowest average low temperature) is January (48°F).

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Average pressure in September
Gentilly Terrace, LA

Average pressure in September - Gentilly Terrace, LA
  • Average pressure in September: 29.98"Hg

The month with the highest atmospheric pressure is January (30.16"Hg).
The months with the lowest atmospheric pressure are June and August (29.97"Hg).

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Average wind speed in September
Gentilly Terrace, LA

Average wind speed in September - Gentilly Terrace, LA
  • Average wind speed in September: 7.1mph

The windiest months (with the highest average wind speed) are February and April (9.8mph).
The calmest month (with the lowest average wind speed) is July (6.7mph).

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Average humidity in September
Gentilly Terrace, LA

Average humidity in September - Gentilly Terrace, LA
  • Average humidity in September: 73%

The month with the highest relative humidity is December (77%).
The month with the lowest relative humidity is October (70%).

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Average rainfall in September
Gentilly Terrace, LA

Average rainfall in September - Gentilly Terrace, LA
  • Average rainfall in September: 4.06"

The wettest month (with the highest rainfall) is July (6.1").
The driest month (with the least rainfall) is November (1.93").

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Average rainfall days in September
Gentilly Terrace, LA

Average rainfall days in September - Gentilly Terrace, LA
  • Average rainfall days in September: 18.5 days

The month with the highest number of rainy days is August (22.7 days).
The month with the least rainy days is November (8.5 days).

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Average daylight in September /
Average sunshine in September
Gentilly Terrace, LA

Average daylight in September / Average sunshine in September - Gentilly Terrace, LA
  • Average daylight in September: 12h and 2min

The month with the longest days is June (Average daylight: 14h and 0min).
The month with the shortest days is December (Average daylight: 10h and 18min).

  • Average sunshine in September: 10h and 1min

The month with the most sunshine is June (Average sunshine: 10h and 54min).
The month with the least sunshine is December (Average sunshine: 5h and 0min).

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Average sunshine days in September
Gentilly Terrace, LA

Average sunshine days in September - Gentilly Terrace, LA
  • Average sunshine days in September: 10.4 days

The month with the most sunshine days is November (19.8 days).
The month with the least sunshine days is August (7.1 days).

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Average UV index in September
Gentilly Terrace, LA

Average UV index in September - Gentilly Terrace, LA
  • Average UV index in September: 6

The months with the highest UV index are May, June, July and August (UV index 7).
The month with the lowest UV index is December (UV index 3).

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Average cloud cover in September
Gentilly Terrace, LA

Average cloud cover in September - Gentilly Terrace, LA
  • Average cloud cover in September: 26

The month with the most cloud cover is December (Cloud cover 45).
The month with the least cloud cover is October (Cloud cover 25).

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Average visibility in September
Gentilly Terrace, LA

Average visibility in September - Gentilly Terrace, LA
  • Average visibility in September: 6mi

The months with the highest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).
The months with the lowest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).

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Gentilly Terrace, Louisiana, USA

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