September weather forecast
Killian, LA

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Weather in September

The first month of the autumn, September, is still a tropical month in Killian, Louisiana, with an average temperature fluctuating between 70.7°F (21.5°C) and 88°F (31.1°C).

Temperature

The commencement of September brings an average high-temperature of a still tropical 88°F (31.1°C), marking an inconsequential divergence from August. The month of September records an average low-temperature of 70.7°F (21.5°C).

Heat index

In September, the heat index is appraised at an extremely hot 104°F (40°C). Undertake additional precautions, heat cramps and heat exhaustion could happen. Heatstroke could occur from sustained activity.
Heat index guidelines indicate values are for light wind scenarios and shaded regions. If directly exposed to the sun, the heat index could rise by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'apparent temperature' or 'felt air temperature', reflects the feeling of heat when considering both air temperature and humidity. Metabolic differences, pregnancy status, and the level of physical activity are additional factors influencing an individual's weather perception. Bear in mind that direct sunshine exposure increases weather impact, and may raise heat index by up to 15 Fahrenheit (8 Celsius) degrees. Heat index values are extremely significant for children. 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 the relative humidity is high, the evaporation rate is reduced. The warmth is removed from the body at a lower rate, causing the body to retain more heat than it would in dry air. Heat absorption that surpasses the body's shedding capability can lead to overheating and varying levels of dehydration.

Humidity

In September, the average relative humidity is 77%.

Rainfall

In Killian, during September, the rain falls for 16.7 days and regularly aggregates up to 1.97" (50mm) of precipitation. In Killian, during the entire year, the rain falls for 163.3 days and collects up to 27.64" (702mm) of precipitation.

Snowfall

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

Daylight

In September, the average length of the day in Killian, Louisiana, is 12h and 20min.
On the first day of September in Killian, Louisiana, sunrise is at 6:39 am and sunset at 7:24 pm. On the last day of the month, sunrise is at 6:55 am and sunset at 6:48 pm CDT.

Sunshine

The average sunshine in September is 9.6h.

UV index

The average daily maximum UV index in September is 6. A UV Index value of 6 to 7 symbolizes a high health risk from unprotected exposure to Sun's UV rays for ordinary individuals.
Note: The maximum daily UV index of 6 in September interprets into the following recommendations:
Sidestep overexposure. Individuals with fair complexions risk burning in fewer than 20 minutes. 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. Prioritize a wide-brim hat for comprehensive sun defense for your face, neck, eyes, and ears.
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Frequently asked questions

How hot is September in Killian?

The high-temperature, in September, in Killian, records 88°F (31.1°C), while the low-temperature is 70.7°F (21.5°C). In September, the average heat index (a.k.a. 'feels like', 'felt air temperature'), which calculates the temperature value influenced by the moisture in the air, is appraised at 104°F (40°C).

What is the average humidity in September in Killian?

In September, the average relative humidity is 77%.

How much does it rain in Killian in September?

In Killian, in September, it is raining for 16.7 days, with typically 1.97" (50mm) of accumulated precipitation.

When it does not snow in Killian?

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

How many hours of daylight does Killian have in September?

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

What time are sunrise and sunset in September in Killian?

In September, on the first day of the month, sunrise is at 6:39 am and sunset at 7:24 pm. On the last day of the month, in Killian, Louisiana, sunrise is at 6:55 am and sunset at 6:48 pm CDT.

How long on average sun shines in September in Killian?

In Killian, the average sunshine duration in September is 9.6h.

What is the UV index reading in September in Killian?

The average daily maximum UV index in September in Killian is 6. A UV Index of 6 to 7 symbolizes a high health vulnerability from unsafe 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
Killian, LA

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

The warmest month (with the highest average high temperature) is July (91.9°F).
The month with the lowest average high temperature is January (58.6°F).

  • Average low temperature in September: 70.7°F

The month with the highest average low temperature is August (74.5°F).
The coldest month (with the lowest average low temperature) is January (42.8°F).

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Average pressure in September
Killian, LA

Average pressure in September - Killian, LA
  • Average pressure in September: 29.98"Hg

The month with the highest atmospheric pressure is January (30.17"Hg).
The months with the lowest atmospheric pressure are June and August (29.97"Hg).

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Average wind speed in September
Killian, LA

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

The windiest month (with the highest average wind speed) is April (7.1mph).
The calmest month (with the lowest average wind speed) is July (4.6mph).

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Average humidity in September
Killian, LA

Average humidity in September - Killian, LA
  • Average humidity in September: 77%

The months with the highest relative humidity are February and December (81%).
The month with the lowest relative humidity is October (73%).

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Average rainfall in September
Killian, LA

Average rainfall in September - Killian, LA
  • Average rainfall in September: 1.97"

The wettest month (with the highest rainfall) is July (3.9").
The driest month (with the least rainfall) is November (1.14").

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Average rainfall days in September
Killian, LA

Average rainfall days in September - Killian, LA
  • Average rainfall days in September: 16.7 days

The month with the highest number of rainy days is August (20.7 days).
The month with the least rainy days is November (7.6 days).

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Average snowfall in September
Killian, LA

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

The month with the highest snowfall is January (0.2").
The months with the least snowfall are February, March, April, May, June, July, August, September, October and November (0").

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Average snowfall days in September
Killian, LA

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

The months with the highest number of snowfall days are January and December (0.2 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
Killian, LA

Average daylight in September / Average sunshine in September - Killian, 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 4min

The months with the most sunshine are June and August (Average sunshine: 10h and 24min).
The months with the least sunshine are February and December (Average sunshine: 4h and 48min).

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Average sunshine days in September
Killian, LA

Average sunshine days in September - Killian, LA
  • Average sunshine days in September: 11.6 days

The month with the most sunshine days is November (20.5 days).
The month with the least sunshine days is July (7.9 days).

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Average UV index in September
Killian, LA

Average UV index in September - Killian, LA
  • Average UV index in September: 6

The months with the highest UV index are May, 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
Killian, LA

Average cloud cover in September - Killian, LA
  • Average cloud cover in September: 30

The month with the most cloud cover is December (Cloud cover 50).
The month with the least cloud cover is October (Cloud cover 28).

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Average visibility in September
Killian, LA

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

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

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Killian, Louisiana, USA

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