September weather forecast
Jeanerette, LA

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Weather in September

The first month of the autumn, September, is still a hot month in Jeanerette, Louisiana, with temperature in the range of an average high of 86.2°F (30.1°C) and an average low of 72.1°F (22.3°C).

Temperature

Jeanerette experiences a minor change to a still tropical 86.2°F (30.1°C) in average high-temperature during September, closely reflecting August. Jeanerette records a mean low-temperature of 72.1°F (22.3°C) in September.

Heat index

September's average heat index is computed to be a torrid 100.4°F (38°C). Extra safeguards are necessary to prevent heat exhaustion and heat cramps. Prolonged activity might cause heatstroke.
Realize that the values for the heat index are set for shaded places and light winds. Exposure to the direct sun might augment heat index values by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'real feel' or 'felt air temperature', is an indicator that blends the effects of temperature and humidity to depict perceived warmth. This effect is subjective, differing among individuals based on their physical activity and perception of heat, which can be influenced by factors like wind, clothing, and metabolic variances. One's exposure to direct sunlight has the potential to intensify the heat sensation, increasing the heat index by up to 15 Fahrenheit (8 Celsius) degrees. Heat index values are extremely significant for children. Juveniles often do not understand the need to recuperate and rehydrate. Thirst is a delayed symptom of dehydration - hence, it is vital to maintain hydration, particularly during ongoing physical activities.
The body's natural response to excessive warmth is perspiration, as it allows for cooling through sweat evaporation. In high relative humidity, the body's ability to evaporate heat is diminished, resulting in a heightened feeling of warmth. As body temperatures escalate without effective heat release, one might face dehydration threats.

Humidity

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

Rainfall

In Jeanerette, during September, the rain falls for 14 days and regularly aggregates up to 0.91" (23mm) of precipitation. Throughout the year, there are 131.2 rainfall days, and 11.38" (289mm) of precipitation is accumulated.

Snowfall

February through December are months without snowfall.

Daylight

In September, the average length of the day in Jeanerette, Louisiana, is 12h and 20min.
On the first day of September in Jeanerette, sunrise is at 6:44 am and sunset at 7:28 pm. On the last day of the month, sunrise is at 6:59 am and sunset at 6:52 pm CDT.

Sunshine

In September, the average sunshine is 10.3h.

UV index

In September, the average daily maximum UV index is 6. A UV Index reading of 6 to 7 represents a high health vulnerability from exposure to the Sun's UV rays for ordinary individuals.
Note: In September, the UV index of 6 transforms into the following advice:
Shun overexposure. Protection from sun ravages is indispensable. Minimize exposure to direct sunlight and seek shade from 10 a.m. to 4 p.m., when UV radiation is most intense, but remember that shade structures may not offer complete protection. A wide-brim hat offers excellent sun protection for the eyes, ears, face, and neck. Sunglasses with UVA and UVB protection significantly reduce eye damage from sun exposure.
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Frequently asked questions

How hot does it get in Jeanerette in September?

The high-temperature, in September, in Jeanerette, is 86.2°F (30.1°C), while the low-temperature averages to 72.1°F (22.3°C). In September, the average heat index (a.k.a. 'felt air temperature', 'real feel'), which factors the actual air temperature with the relative humidity, is computed to be 100.4°F (38°C).

What is the average humidity in September in Jeanerette?

In September, the average relative humidity is 79%.

How much does it rain in Jeanerette in September?

In Jeanerette, Louisiana, in September, it is raining for 14 days, with typically 0.91" (23mm) of accumulated precipitation.

When it does not snow in Jeanerette?

February through December are months without snowfall in Jeanerette.

How many hours of daylight does Jeanerette have in September?

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

When is the sunrise / sunset in September in Jeanerette?

In September, on the first day of the month, sunrise is at 6:44 am and sunset at 7:28 pm. On the last day of the month, in Jeanerette, sunrise is at 6:59 am and sunset at 6:52 pm CDT.

How many hours of sunshine does Jeanerette have in September?

In Jeanerette, the average sunshine duration in September is 10.3h.

What is the UV index intensity in September in Jeanerette?

The average daily maximum UV index in September is 6. A UV Index value of 6 to 7 symbolizes a high health threat 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
Jeanerette, LA

Average temperature in September - Jeanerette, LA
  • Average high temperature in September: 86.2°F

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

  • Average low temperature in September: 72.1°F

The month with the highest average low temperature is August (76.6°F).
The coldest month (with the lowest average low temperature) is January (46°F).

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Average pressure in September
Jeanerette, LA

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

The month with the highest atmospheric pressure is January (30.16"Hg).
The months with the lowest atmospheric pressure are June, August and September (29.96"Hg).

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Average wind speed in September
Jeanerette, LA

Average wind speed in September - Jeanerette, LA
  • Average wind speed in September: 5.7mph

The windiest months (with the highest average wind speed) are February and April (8.6mph).
The calmest month (with the lowest average wind speed) is August (5.6mph).

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Average humidity in September
Jeanerette, LA

Average humidity in September - Jeanerette, LA
  • Average humidity in September: 79%

The months with the highest relative humidity are February and December (80%).
The month with the lowest relative humidity is October (73%).

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Average rainfall in September
Jeanerette, LA

Average rainfall in September - Jeanerette, LA
  • Average rainfall in September: 0.91"

The wettest month (with the highest rainfall) is August (1.93").
The driest month (with the least rainfall) is March (0.35").

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Average rainfall days in September
Jeanerette, LA

Average rainfall days in September - Jeanerette, LA
  • Average rainfall days in September: 14 days

The month with the highest number of rainy days is August (19.8 days).
The month with the least rainy days is November (6.5 days).

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Average snowfall in September
Jeanerette, LA

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

The month with the highest snowfall is January (0.04").
The months with the least snowfall are February, March, April, May, June, July, August, September, October, November and December (0").

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Average snowfall days in September
Jeanerette, LA

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

The month with the highest number of snowfall days is January (0.1 days).
The months with the least snowfall days are February, March, April, May, June, July, August, September, October, November and December (0 days).

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

Average daylight in September / Average sunshine in September - Jeanerette, 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
Jeanerette, LA

Average sunshine days in September - Jeanerette, LA
  • Average sunshine days in September: 11 days

The month with the most sunshine days is November (22.3 days).
The month with the least sunshine days is August (6.8 days).

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Average UV index in September
Jeanerette, LA

Average UV index in September - Jeanerette, 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
Jeanerette, LA

Average cloud cover in September - Jeanerette, LA
  • Average cloud cover in September: 26

The month with the most cloud cover is December (Cloud cover 46).
The month with the least cloud cover is October (Cloud cover 24).

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Average visibility in September
Jeanerette, LA

Average visibility in September - Jeanerette, 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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Jeanerette, Louisiana, USA

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