September weather forecast
Dupont, LA

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Weather in September

September, the first month of the autumn in Dupont, is also a hot month, with an average temperature fluctuating between 87.3°F (30.7°C) and 68.9°F (20.5°C).

Temperature

September's commencement is accompanied by an average high-temperature of a still hot 87.3°F (30.7°C), diverging marginally from August's 91°F (32.8°C). September witnesses an average nighttime temperature of 68.9°F (20.5°C) in Dupont.

Heat index

For September, the heat index is estimated at a sweltering 102.2°F (39°C). Greater safety measures are needed, risk of heat exhaustion and heat cramps is high. Continuous activity might trigger heatstroke.
Metrics for the heat index primarily focus on shaded spots and light wind conditions. Heat index values may be hiked up by 15 Fahrenheit (8 Celsius) degrees under direct sunshine.
Note: The heat index, also known as 'real feel' or 'felt air temperature', offers an insight into how hot it feels when we factor in moisture content. Factors including metabolic differences, physical activity, and clothing are additional elements that influence the individual's temperature experience. Be mindful that being in direct sunlight might mean feeling hotter, with the heat index rising by up to 15 Fahrenheit (8 Celsius) degrees. Heat index values are particularly relevant to babies and toddlers. Children commonly overlook the importance of rest and fluid replenishment. Thirst, being a delayed sign of dehydration, emphasizes the need to keep hydration up, especially during lengthy physical activities.
The human body cools itself through perspiration, as excessive warmth is removed from the body through sweat evaporation. Under high air temperature and humidity (high heat index) conditions, perspiration is limited, and the perception of heat is increased. Temperature imbalances caused by excessive heat retention can trigger heat-related maladies.

Humidity

In September, the average relative humidity is 78%.

Rainfall

In Dupont, during September, the rain falls for 16.2 days and regularly aggregates up to 2.8" (71mm) of precipitation. Throughout the year, in Dupont, Louisiana, there are 174.9 rainfall days, and 38.82" (986mm) of precipitation is accumulated.

Snowfall

In Dupont, snow does not fall in April through November.

Daylight

The average length of the day in September is 12h and 20min.
On the first day of September in Dupont, sunrise is at 6:44 am and sunset at 7:30 pm. On the last day of the month, sunrise is at 7:01 am and sunset at 6:53 pm CDT.

Sunshine

The average sunshine in September in Dupont is 9.3h.

UV index

In Dupont, the average daily maximum UV index in September is 6. A UV Index value of 6 to 7 symbolizes a high health hazard from exposure to the Sun's UV rays for ordinary individuals.
Note: The maximum UV index, 6 during September, leads to the following recommendations:
Enforce precautions and stick to sun safety measures. Preservation from skin and eye damage is essential. The hours from 10 a.m. to 4 p.m. have the most intense UV radiation. As much as possible, limit direct sun exposure during this period. Consider a wide-brim hat essential for effective sun defense covering your face, neck, and eyes.
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Frequently asked questions

How hot is it in Dupont in September?

The high-temperature, in September, in Dupont, records 87.3°F (30.7°C), while the low-temperature is 68.9°F (20.5°C). In September, the average heat index (a.k.a. 'real feel', 'felt air temperature'), which represents the influence of relative humidity on air temperature, is estimated at 102.2°F (39°C).

What is the average humidity in September in Dupont?

In Dupont, the average relative humidity in September is 78%.

How much does it rain in Dupont in September?

In Dupont, in September, during 16.2 rainfall days, 2.8" (71mm) of precipitation is typically accumulated.

When it does not snow in Dupont?

In Dupont, Louisiana, snow does not fall in April through November.

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

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

What time are sunrise and sunset in September in Dupont?

In September, on the first day of the month, sunrise is at 6:44 am and sunset at 7:30 pm. On the last day of the month, sunrise is at 7:01 am and sunset at 6:53 pm CDT.

How many hours of sunshine does Dupont have in September?

In September, the average sunshine duration is 9.3h.

How high is the UV index in September in Dupont?

In Dupont, Louisiana, 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
Dupont, LA

Average temperature in September - Dupont, LA
  • Average high temperature in September: 87.3°F

The warmest month (with the highest average high temperature) is July (91.2°F).
The month with the lowest average high temperature is January (57°F).

  • Average low temperature in September: 68.9°F

The month with the highest average low temperature is August (73°F).
The coldest month (with the lowest average low temperature) is January (41.7°F).

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Average pressure in September
Dupont, LA

Average pressure in September - Dupont, 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 (29.95"Hg).

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Average wind speed in September
Dupont, LA

Average wind speed in September - Dupont, LA
  • Average wind speed in September: 5.2mph

The windiest month (with the highest average wind speed) is February (7.9mph).
The calmest months (with the lowest average wind speed) are July and September (5.2mph).

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Average humidity in September
Dupont, LA

Average humidity in September - Dupont, LA
  • Average humidity in September: 78%

The month with the highest relative humidity is February (83%).
The month with the lowest relative humidity is October (71%).

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Average rainfall in September
Dupont, LA

Average rainfall in September - Dupont, LA
  • Average rainfall in September: 2.8"

The wettest month (with the highest rainfall) is August (4.29").
The driest month (with the least rainfall) is November (2.24").

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Average rainfall days in September
Dupont, LA

Average rainfall days in September - Dupont, LA
  • Average rainfall days in September: 16.2 days

The month with the highest number of rainy days is August (20 days).
The month with the least rainy days is October (10 days).

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Average snowfall in September
Dupont, LA

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

The month with the highest snowfall is January (0.35").
The months with the least snowfall are April, May, June, July, August, September, October and November (0").

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Average snowfall days in September
Dupont, LA

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

The month with the highest number of snowfall days is January (0.5 days).
The months with the least snowfall days are April, May, June, July, August, September, October and November (0 days).

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

Average daylight in September / Average sunshine in September - Dupont, 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 months with the most sunshine are June and July (Average sunshine: 10h and 0min).
The month with the least sunshine is December (Average sunshine: 4h and 42min).

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Average sunshine days in September
Dupont, LA

Average sunshine days in September - Dupont, LA
  • Average sunshine days in September: 12 days

The month with the most sunshine days is October (19.8 days).
The months with the least sunshine days are July and August (9.2 days).

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Average UV index in September
Dupont, LA

Average UV index in September - Dupont, 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
Dupont, LA

Average cloud cover in September - Dupont, LA
  • Average cloud cover in September: 34

The month with the most cloud cover is February (Cloud cover 51).
The month with the least cloud cover is October (Cloud cover 30).

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Average visibility in September
Dupont, LA

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

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

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Dupont, Louisiana, USA

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