September weather forecast
Negreet, LA

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Weather in September

The first month of the autumn, September, is still a tropical month in Negreet, Louisiana, with an average temperature varying between 68°F (20°C) and 88.7°F (31.5°C).

Temperature

As Negreet enters September, the average high-temperature subtly lowers from the a hot 94.6°F (34.8°C) of August to a still tropical 88.7°F (31.5°C). Throughout the month of September, Negreet witnesses an average temperature of 68°F (20°C).

Heat index

In September, the average heat index is evaluated at a scorching 104°F (40°C). Exercise special caution, heat exhaustion and heat cramps are probable. Prolonged activity may induce heatstroke.
Research indicates the heat index considers values in shaded locales and with light winds. The heat index may experience an enhancement of 15 Fahrenheit (8 Celsius) degrees under direct sunlight.
Note: The heat index, also known as 'apparent temperature' or 'feels like', is an index that combines air temperature and relative humidity to determine the human-perceived temperature equivalent. 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. Keep in mind that direct sunshine exposure can amplify the weather's effects, possibly increasing the heat index by up to 15 Fahrenheit (8 Celsius) degrees. Heat index values are essentially critical for children. Children often overlook the need for breaks and fluid intake. Thirst is a late-stage sign of dehydration - hence, it is necessary to stay hydrated, especially during extended periods of physical activities.
The natural cooling mechanism in humans involves perspiration, where the evaporation of sweat balances out excessive warmth. A surge in relative humidity can disrupt the body's normal cooling function by slowing evaporation, hence reducing the rate at which the body cools and intensifying the perception of heat. Exceeding the body's heat disposal threshold results in a rise in body temperature and potential thermal disorders.

Humidity

The average relative humidity in September is 73%.

Rainfall

In Negreet, during September, the rain falls for 14.7 days and regularly aggregates up to 2.91" (74mm) of precipitation. In Negreet, during the entire year, the rain falls for 154.2 days and collects up to 33.46" (850mm) of precipitation.

Snowfall

March through November are months without snowfall.

Daylight

The average length of the day in September is 12h and 21min.
On the first day of the month, sunrise is at 6:50 am and sunset at 7:37 pm. On the last day of September, sunrise is at 7:07 am and sunset at 7:00 pm CDT.

Sunshine

In Negreet, the average sunshine in September is 9.1h.

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 the ordinary person.
Note: In September, the maximum UV index of 6 transforms into these recommendations:
Conform to measures and uphold sun safety traditions. Warding off skin and eye harm is necessary. UV radiation from the sun is at its strongest between 10 a.m. and 4 p.m. Try to limit direct exposure during these hours. Wearing sunglasses with both UVA and UVB protection effectively reduces sun-induced eye damage.

Frequently asked questions

How hot does it get in September?

In September, in Negreet, the average high-temperature is 88.7°F (31.5°C), and the average low-temperature is 68°F (20°C). The average heat index (a.k.a. 'feels like', 'apparent temperature'), which combines relative humidity and air temperature, in September is evaluated at 104°F (40°C).

What is the average humidity in September?

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

How many days does it rain in September?

In September, the rain falls for 14.7 days. Throughout September, 2.91" (74mm) of precipitation is accumulated.

When it does not snow?

In Negreet, snow does not fall in March through November.

What is the average length of the day in September?

In September, the average day length is 12h and 21min.

When is the sunrise / sunset in September?

In September, on the first day of the month, sunrise is at 6:50 am and sunset at 7:37 pm. On the last day of the month, sunrise is at 7:07 am and sunset at 7:00 pm CDT.

How many hours of sunshine does Negreet have in September?

In Negreet, the average sunshine duration in September is 9.1h.

What is the UV index reading in September?

The average daily maximum UV index in September is 6. A UV Index estimate of 6 to 7 represents a high health risk from exposure to Sun's UV rays.
Average humidity
Average rainfall days
Average snowfall
Average snowfall days
Average daylight
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in September
Negreet, LA

Average temperature in September - Negreet, LA
  • Average high temperature in September: 88.7°F

The warmest months (with the highest average high temperature) are July and August (94.6°F).
The month with the lowest average high temperature is January (55.9°F).

  • Average low temperature in September: 68°F

The month with the highest average low temperature is July (73.6°F).
The coldest month (with the lowest average low temperature) is January (39.7°F).

Average pressure in September
Negreet, LA

Average pressure in September - Negreet, LA
  • Average pressure in September: 29.96"Hg

The month with the highest atmospheric pressure is January (30.16"Hg).
The month with the lowest atmospheric pressure is June (29.93"Hg).

Average wind speed in September
Negreet, LA

Average wind speed in September - Negreet, LA
  • Average wind speed in September: 5mph

The windiest month (with the highest average wind speed) is April (7.1mph).
The calmest months (with the lowest average wind speed) are July and August (4.9mph).

Average humidity in September
Negreet, LA

Average humidity in September - Negreet, LA
  • Average humidity in September: 73%

The month with the highest relative humidity is February (82%).
The months with the lowest relative humidity are August and October (71%).

Average rainfall in September
Negreet, LA

Average rainfall in September - Negreet, LA
  • Average rainfall in September: 2.91"

The wettest month (with the highest rainfall) is May (3.82").
The driest month (with the least rainfall) is November (1.93").

Average rainfall days in September
Negreet, LA

Average rainfall days in September - Negreet, LA
  • Average rainfall days in September: 14.7 days

The month with the highest number of rainy days is August (16.8 days).
The month with the least rainy days is November (8.8 days).

Average snowfall in September
Negreet, LA

Average snowfall in September - Negreet, LA
  • Average snowfall in September: 0"

The months with the highest snowfall are January and February (0.24").
The months with the least snowfall are March, April, May, June, July, August, September, October and November (0").

Average snowfall days in September
Negreet, LA

Average snowfall days in September - Negreet, LA
  • Average snowfall days in September: 0 days

The month with the highest number of snowfall days is January (0.8 days).
The months with the least snowfall days are April, May, June, July, August, September and October (0 days).

Average daylight in September /
Average sunshine in September
Negreet, LA

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

The month with the longest days is June (Average daylight: 14h and 12min).
The month with the shortest days is December (Average daylight: 10h and 6min).

  • Average sunshine in September: 9h and 1min

The month with the most sunshine is July (Average sunshine: 10h and 6min).
The month with the least sunshine is December (Average sunshine: 4h and 42min).

Average sunshine days in September
Negreet, LA

Average sunshine days in September - Negreet, LA
  • Average sunshine days in September: 13 days

The month with the most sunshine days is October (19.9 days).
The month with the least sunshine days is August (11.9 days).

Average UV index in September
Negreet, LA

Average UV index in September - Negreet, LA
  • Average UV index in September: 6

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

Average cloud cover in September
Negreet, LA

Average cloud cover in September - Negreet, LA
  • Average cloud cover in September: 33

The month with the most cloud cover is February (Cloud cover 54).
The month with the least cloud cover is October (Cloud cover 31).

Average visibility in September
Negreet, LA

Average visibility in September - Negreet, LA
  • Average visibility in September: 5mi

The months with the highest visibility are June, August, October and November (6mi).
The months with the lowest visibility are January, February, March, April, May, July, September and December (5mi).

Negreet, Louisiana, USA

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