September weather forecast
Chacahoula, LA

Share

Weather in September

September, the first month of the autumn in Chacahoula, is also a hot month, with an average temperature varying between 86.7°F (30.4°C) and 72.1°F (22.3°C).

Temperature

September's presence records an average high-temperature of a still hot 86.7°F (30.4°C), closely mirroring August's climate. Throughout September in Chacahoula, a steady low-temperature average of 72.1°F (22.3°C) is noted.

Heat index

For September, the heat index is calculated to be a fiery hot 102.2°F (39°C). Ensure extra safety measures, heat exhaustion and heat cramps are likely. Continuous activity might result in heatstroke.
Heat index details are generally centered around shaded locations and a mild breeze. Direct exposure to sunlight could raise the heat index by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'real feel' or 'feels like', represents the fusion of temperature and moisture in the air to suggest how warm it feels. 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. Recognize that direct exposure to the sun can escalate the heat effect, potentially adding 15 Fahrenheit (8 Celsius) degrees to the heat index. Heat index values are extremely significant for children. Juveniles are regularly less conscious of the need to recuperate and rehydrate. Thirst is a tardy symptom of dehydration - hydration, especially during lengthy physical activities, should be maintained.
In the face of high temperatures, the human body's reflex is to perspire, leveraging sweat evaporation for cooling. When the level of relative humidity is elevated, evaporation diminishes, causing more warmth to be retained in the body than in dry air. When the body's heat gain surpasses its removal capacity, body temperature starts to climb, leading to potential heat-related ailments.

Humidity

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

Rainfall

In Chacahoula, Louisiana, in September, during 19.1 rainfall days, 1.93" (49mm) of precipitation is typically accumulated. Throughout the year, there are 166.9 rainfall days, and 25.39" (645mm) of precipitation is accumulated.

Snowfall

In Chacahoula, snow does not fall in February through November.

Daylight

In September, the average length of the day is 12h and 20min.
On the first day of September in Chacahoula, 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

The average sunshine in September is 10.3h.

UV index

May through September, with an average maximum UV index of 7, are months with the highest UV index. A UV Index reading of 6 to 7 represents a high health vulnerability from exposure to the Sun's UV rays for the average person.
Note: In September, the average maximum UV index of 7 translates into the following recommendations:
Take precautions and adopt sun safety practices. Protection against sunburn is obliged. Stay out of direct sunlight between 10 a.m. and 4 p.m., when UV radiation is most intense, and remember that not all shade structures provide complete protection. For optimum UV protection, wear sun-resistant attire complemented with a hat and quality shades.
[Resources]

Frequently asked questions

Is it hot in Chacahoula during September?

An average high-temperature, in September, in Chacahoula, is 86.7°F (30.4°C) and the average low-temperature is 72.1°F (22.3°C). In September, the average heat index (a.k.a. 'apparent temperature', 'real feel'), which combines relative humidity and air temperature, is calculated to be 102.2°F (39°C).

What is the most humid month in Chacahoula?

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

What is the average humidity in September in Chacahoula?

In Chacahoula, the average relative humidity in September is 79%.

How much does it rain in Chacahoula in September?

In Chacahoula, Louisiana, in September, during 19.1 rainfall days, 1.93" (49mm) of precipitation is typically accumulated.

When it does not snow in Chacahoula?

In Chacahoula, Louisiana, snow does not fall in February through November.

What is the average length of the day in September in Chacahoula?

The average day length in September in Chacahoula is 12h and 20min.

When are sunrise and sunset in September in Chacahoula?

On the first day of September in Chacahoula, 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 Chacahoula?

The average sunshine duration in September is 10.3h.

What are the months with the highest UV index in Chacahoula?

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

What is the UV index reading in September in Chacahoula?

The average daily maximum UV index in September in Chacahoula is 7. A UV Index reading of 6 to 7 represents a high hazard to health from exposure to the Sun's 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
Chacahoula, LA

Average temperature in September - Chacahoula, 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).

[Resources]

Average pressure in September
Chacahoula, LA

Average pressure in September - Chacahoula, 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).

[Resources]

Average wind speed in September
Chacahoula, LA

Average wind speed in September - Chacahoula, 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).

[Resources]

Average humidity in September
Chacahoula, LA

Average humidity in September - Chacahoula, 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%).

[Resources]

Average rainfall in September
Chacahoula, LA

Average rainfall in September - Chacahoula, 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").

[Resources]

Average rainfall days in September
Chacahoula, LA

Average rainfall days in September - Chacahoula, 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).

[Resources]

Average snowfall days in September
Chacahoula, LA

Average snowfall days in September - Chacahoula, 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).

[Resources]

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

Average daylight in September / Average sunshine in September - Chacahoula, 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).

[Resources]

Average sunshine days in September
Chacahoula, LA

Average sunshine days in September - Chacahoula, 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).

[Resources]

Average UV index in September
Chacahoula, LA

Average UV index in September - Chacahoula, 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).

[Resources]

Average cloud cover in September
Chacahoula, LA

Average cloud cover in September - Chacahoula, 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).

[Resources]

Average visibility in September
Chacahoula, LA

Average visibility in September - Chacahoula, 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).

[Resources]

Chacahoula, Louisiana, USA

Weather forecast for your location

1. Click Locate me button
2. Allow the app to use your location