September weather forecast
Castor Plunge, LA

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Weather in September

The first month of the autumn, September, is also a hot month in Castor Plunge, Louisiana, with an average temperature fluctuating between 68°F (20°C) and 88°F (31.1°C).

Temperature

The transition into September notes an average high-temperature of a still tropical 88°F (31.1°C), revealing a mild distinction from the 92.8°F (33.8°C) in August. An average low-temperature of 68°F (20°C) is recorded in the month of September in Castor Plunge.

Heat index

The average heat index in September is appraised at a scorching 104°F (40°C). More safety actions are required, heat exhaustion and heat cramps are probable. Long-term activity may precipitate heatstroke.
Data suggests that the heat index is set for environments in shade and with a light wind. 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 'real feel', measures the perceived warmth when incorporating the humidity present in the air. Depending on the activity and the individual's heat perception, which may vary due to factors including wind, clothing, and metabolic variations, this effect remains subjective. Exposure to direct sun rays can influence the heat you feel, pushing the heat index up by 15 Fahrenheit (8 Celsius) degrees. Heat index values are highly critical to babies and toddlers. Young ones often do not realize the necessity to rest and replenish their fluids. Thirst is a delayed indication of dehydration - keeping hydrated, particularly in prolonged physical activity, is crucial.
Perspiration is the human body's physiological response to high temperatures and is an attempt to lower body temperature through evaporation of sweat. 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-related challenges, like dehydration, can be anticipated when body heat isn't managed effectively.

Humidity

In Castor Plunge, the average relative humidity in September is 76%.

Rainfall

In Castor Plunge, in September, during 14.8 rainfall days, 2.44" (62mm) of precipitation is typically accumulated. In Castor Plunge, during the entire year, the rain falls for 164.9 days and collects up to 35.43" (900mm) of precipitation.

Snowfall

March through November are months without snowfall.

Daylight

In September, the average length of the day is 12h and 20min.
On the first day of the month, sunrise is at 6:46 am and sunset at 7:33 pm. On the last day of September, in Castor Plunge, Louisiana, sunrise is at 7:03 am and sunset at 6:56 pm CDT.

Sunshine

The average sunshine in September in Castor Plunge is 9.4h.

UV index

In Castor Plunge, the average daily maximum UV index in September is 6. A UV Index estimate of 6 to 7 represents a high health risk from unsafe exposure to UV radiation for ordinary individuals.
Note: An average UV index of 6 in September transforms into this advice:
Shun overexposure. Protection from sun ravages is indispensable. Avoid direct Sun exposure and seek shade from 10 a.m. to 4 p.m., the period of highest UV radiation. Remember, however, that not all shade structures offer full protection. On days when the sun blazes, arm yourself with sunglasses that block UVA and UVB radiation. Attention! Nearly twice the Sun's UV radiation can be reflected by snow.
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Frequently asked questions

How hot does it get in Castor Plunge in September?

During September, Castor Plunge experiences an average high-temperature of 88°F (31.1°C) and a low-temperature of 68°F (20°C). The average heat index (a.k.a. 'real feel', 'felt air temperature'), which factors the actual air temperature with the relative humidity, in September is appraised at 104°F (40°C).

What is the average humidity in September in Castor Plunge?

In Castor Plunge, the average relative humidity in September is 76%.

How much does it rain in Castor Plunge in September?

In Castor Plunge, Louisiana, during September, the rain falls for 14.8 days and regularly aggregates up to 2.44" (62mm) of precipitation.

When it does not snow in Castor Plunge?

March through November are months without snowfall in Castor Plunge.

How many hours of daylight does Castor Plunge have in September?

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

What time are sunrise and sunset in September in Castor Plunge?

On the first day of September, sunrise is at 6:46 am and sunset at 7:33 pm. On the last day of the month, sunrise is at 7:03 am and sunset at 6:56 pm CDT.

How many hours of sunshine does Castor Plunge have in September?

In Castor Plunge, the average sunshine duration in September is 9.4h.

What is the UV index intensity in September in Castor Plunge?

In Castor Plunge, Louisiana, the average daily maximum UV index in September is 6. A UV Index reading of 6 to 7 represents a high health vulnerability from exposure to the Sun's UV radiation.
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
Castor Plunge, LA

Average temperature in September - Castor Plunge, LA
  • Average high temperature in September: 88°F

The warmest month (with the highest average high temperature) is July (93.2°F).
The month with the lowest average high temperature is January (56.1°F).

  • Average low temperature in September: 68°F

The months with the highest average low temperature are July and August (73°F).
The coldest month (with the lowest average low temperature) is January (40.6°F).

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Average pressure in September
Castor Plunge, LA

Average pressure in September - Castor Plunge, 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 (29.94"Hg).

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Average wind speed in September
Castor Plunge, LA

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

The windiest month (with the highest average wind speed) is February (7.4mph).
The calmest months (with the lowest average wind speed) are July, August and September (5mph).

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Average humidity in September
Castor Plunge, LA

Average humidity in September - Castor Plunge, LA
  • Average humidity in September: 76%

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

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Average rainfall in September
Castor Plunge, LA

Average rainfall in September - Castor Plunge, LA
  • Average rainfall in September: 2.44"

The wettest month (with the highest rainfall) is August (3.62").
The driest month (with the least rainfall) is November (2.17").

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Average rainfall days in September
Castor Plunge, LA

Average rainfall days in September - Castor Plunge, LA
  • Average rainfall days in September: 14.8 days

The month with the highest number of rainy days is July (17.4 days).
The month with the least rainy days is October (9.9 days).

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Average snowfall in September
Castor Plunge, LA

Average snowfall in September - Castor Plunge, LA
  • Average snowfall in September: 0"

The month with the highest snowfall is January (0.55").
The months with the least snowfall are March, April, May, June, July, August, September, October and November (0").

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Average snowfall days in September
Castor Plunge, LA

Average snowfall days in September - Castor Plunge, LA
  • Average snowfall days in September: 0.1 days

The month with the highest number of snowfall days is January (0.6 days).
The months with the least snowfall days are March, April, May, June, July, August, October and November (0 days).

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Average daylight in September /
Average sunshine in September
Castor Plunge, LA

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

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

  • Average sunshine in September: 9h and 2min

The month with the most sunshine is July (Average sunshine: 10h and 12min).
The month with the least sunshine is December (Average sunshine: 4h and 54min).

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Average sunshine days in September
Castor Plunge, LA

Average sunshine days in September - Castor Plunge, LA
  • Average sunshine days in September: 13.4 days

The month with the most sunshine days is October (19.6 days).
The month with the least sunshine days is July (11.3 days).

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Average UV index in September
Castor Plunge, LA

Average UV index in September - Castor Plunge, 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).

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Average cloud cover in September
Castor Plunge, LA

Average cloud cover in September - Castor Plunge, LA
  • Average cloud cover in September: 32

The month with the most cloud cover is February (Cloud cover 51).
The month with the least cloud cover is October (Cloud cover 29).

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Average visibility in September
Castor Plunge, LA

Average visibility in September - Castor Plunge, LA
  • Average visibility in September: 5mi

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

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Castor Plunge, Louisiana, USA

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