September weather forecast
White Plantation, LA

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Weather in September

The first month of the autumn, September, is also a hot month in White Plantation, Louisiana, with temperature in the range of an average low of 72.1°F (22.3°C) and an average high of 86.7°F (30.4°C).

Temperature

White Plantation's average high-temperature in September sits at a still tropical 86.7°F (30.4°C), showing little difference from the previous month. During September, the nighttime temperature averages to a pleasant 72.1°F (22.3°C).

Heat index

Throughout September, the heat index is calculated to be a torrid 102.2°F (39°C). Ensure additional precautions, heat exhaustion and heat cramps may be expected. Heatstroke could occur from sustained activity.
Heat index guidelines indicate values are for light wind scenarios and shaded regions. The heat index may scale up by 15 Fahrenheit (8 Celsius) degrees with direct sun exposure.
Note: The heat index, also known as 'feels like' or 'real feel', embodies the combination of air temperature and moisture content to illustrate perceived heat. Metabolic differences, pregnancy status, and the level of physical activity are additional factors influencing an individual's weather perception. 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 remain especially vital for babies and toddlers. Youngsters frequently overlook the need for breaks and fluid intake. Thirst is an advanced sign of dehydration - thereby highlighting the importance of keeping hydrated, particularly during long physical activities.
Perspiring is the body's way of cooling down, particularly by allowing sweat to evaporate and take the heat with it. With a high level of moisture in the air, the evaporation process becomes less efficient, preventing the body from cooling down efficiently and resulting in a sensation of overheating. Should the body fail to balance its heat gain, the escalating temperature poses health challenges.

Humidity

The months with the highest humidity in White Plantation are July through September and December, with an average relative humidity of 79%.

Rainfall

In September, in White Plantation, the rain falls for 19.1 days. Throughout September, 1.93" (49mm) of precipitation is accumulated. In White Plantation, Louisiana, during the entire year, the rain falls for 166.9 days and collects up to 25.39" (645mm) of precipitation.

Snowfall

February through November are months without snowfall.

Daylight

In September, the average length of the day in White Plantation is 12h and 20min.
On the first day of September, sunrise is at 6:41 am and sunset at 7:25 pm. On the last day of the month, sunrise is at 6:56 am and sunset at 6:49 pm CDT.

Sunshine

In September, the average sunshine in White Plantation, Louisiana, is 10.3h.

UV index

The months with the highest UV index are May through September, with an average maximum UV index of 7. A UV Index reading of 6 to 7 represents a high threat to health from unsafe exposure to UV radiation for the ordinary person.
Note: The daily maximum UV index of 7 in September interprets into the following advice:
Shun overexposure. Protection from sun ravages is indispensable. Remember that the sun's UV radiation is strongest between 10 a.m. and 4 p.m. Make an effort to avoid direct sun exposure during these hours. On days when the sun blazes, arm yourself with sunglasses that block UVA and UVB radiation.
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Frequently asked questions

How hot does it get in White Plantation in September?

The average high-temperature and low-temperature in White Plantation, Louisiana, during September are 86.7°F (30.4°C) and 72.1°F (22.3°C) respectively. In September, the average heat index (a.k.a. 'feels like', 'felt air temperature'), which combines relative humidity and air temperature, is calculated to be 102.2°F (39°C).

What are the most humid months in White Plantation?

The months with the highest humidity in White Plantation, Louisiana, are July through September and December, with an average relative humidity of 79%.

What is the average humidity in September in White Plantation?

In White Plantation, Louisiana, the average relative humidity in September is 79%.

How much does it rain in White Plantation in September?

In White Plantation, Louisiana, in September, it is raining for 19.1 days, with typically 1.93" (49mm) of accumulated precipitation.

When it does not snow in White Plantation?

February through November are months without snowfall in White Plantation.

What is the average length of the day in September in White Plantation?

In September, the average day length in White Plantation is 12h and 20min.

What time are sunrise and sunset in September in White Plantation?

On the first day of September in White Plantation, Louisiana, sunrise is at 6:41 am and sunset at 7:25 pm. On the last day of the month, sunrise is at 6:56 am and sunset at 6:49 pm CDT.

How long on average sun shines in September in White Plantation?

In September, the average sunshine duration is 10.3h.

What are the months with the highest UV index in White Plantation?

The months with the highest UV index are May through September, with an average maximum UV index of 7.

What is the UV index intensity in September in White Plantation?

In September, the average daily maximum UV index is 7. A UV Index value of 6 to 7 symbolizes a high hazard to health from unprotected exposure to UV radiation.
Average humidity
Average rainfall days
Average snowfall days
Average daylight
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in September
White Plantation, LA

Average temperature in September - White Plantation, LA
  • Average high temperature in September: 86.7°F

The warmest month (with the highest average high temperature) is July (90°F).
The month with the lowest average high temperature is January (60.8°F).

  • Average low temperature in September: 72.1°F

The months with the highest average low temperature are July and August (75.7°F).
The coldest month (with the lowest average low temperature) is January (46.2°F).

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Average pressure in September
White Plantation, LA

Average pressure in September - White Plantation, LA
  • Average pressure in September: 29.97"Hg

The month with the highest atmospheric pressure is January (30.16"Hg).
The month with the lowest atmospheric pressure is June (29.96"Hg).

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Average wind speed in September
White Plantation, LA

Average wind speed in September - White Plantation, LA
  • Average wind speed in September: 5.5mph

The windiest months (with the highest average wind speed) are February and April (8.1mph).
The calmest month (with the lowest average wind speed) is August (5.1mph).

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Average humidity in September
White Plantation, LA

Average humidity in September - White Plantation, LA
  • Average humidity in September: 79%

The months with the highest relative humidity are July, August, September and December (79%).
The month with the lowest relative humidity is October (74%).

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Average rainfall in September
White Plantation, LA

Average rainfall in September - White Plantation, LA
  • Average rainfall in September: 1.93"

The wettest month (with the highest rainfall) is July (4.61").
The driest month (with the least rainfall) is November (1.14").

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Average rainfall days in September
White Plantation, LA

Average rainfall days in September - White Plantation, LA
  • Average rainfall days in September: 19.1 days

The month with the highest number of rainy days is August (22.3 days).
The month with the least rainy days is November (7.2 days).

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Average snowfall days in September
White Plantation, LA

Average snowfall days in September - White Plantation, LA
  • Average snowfall days in September: 0 days

The month with the highest number of snowfall days is January (0.3 days).
The months with the least snowfall days are February, March, April, May, June, July, August, September, October and November (0 days).

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Average daylight in September /
Average sunshine in September
White Plantation, LA

Average daylight in September / Average sunshine in September - White Plantation, 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 2min

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 12min).

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Average sunshine days in September
White Plantation, LA

Average sunshine days in September - White Plantation, LA
  • Average sunshine days in September: 8.2 days

The month with the most sunshine days is November (20.6 days).
The month with the least sunshine days is August (5.8 days).

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Average UV index in September
White Plantation, LA

Average UV index in September - White Plantation, LA
  • Average UV index in September: 7

The months with the highest UV index are May, June, July, August and September (UV index 7).
The months with the lowest UV index are January, November and December (UV index 4).

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Average cloud cover in September
White Plantation, LA

Average cloud cover in September - White Plantation, 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 24).

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Average visibility in September
White Plantation, LA

Average visibility in September - White Plantation, 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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White Plantation, Louisiana, USA

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