September weather forecast
Gillis, LA

Share

Weather in September

The first month of the autumn, September, is still a tropical month in Gillis, Louisiana, with temperature in the range of an average low of 70.5°F (21.4°C) and an average high of 88°F (31.1°C).

Temperature

Entering September, Gillis's average high-temperature reads a still hot 88°F (31.1°C), indicating a close resemblance to the previous month's climate. Gillis observes an average nighttime temperature of 70.5°F (21.4°C) during September.

Heat index

For September, the heat index is calculated to be a scorching 104°F (40°C). Take more caution, heat exhaustion and heat cramps may occur. Long-lasting activity may cause heatstroke.
Heat index evaluations are typically in the context of light winds and shaded environments. With direct sunlight, the heat index could increase by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'real feel' or 'apparent temperature', determines the feeling of heat when you account for the relative humidity. The impact of weather is individual, with diverse individuals experiencing it differently due to variations in body mass, height, and activity levels. In the direct sunlight, the weather's impact can be amplified, possibly boosting the heat index by up to 15 Fahrenheit (8 Celsius) degrees. Heat index values are quite important for babies and toddlers. Young people are generally more susceptible than adults because they perspire less. Furthermore, their proportionally larger skin surface to their petite bodies and the increased heat output from their actions add to the risk.
The evaporation of sweat is a natural cooling mechanism of the human body, facilitated by perspiration. An increase in relative humidity disrupts body cooling by slowing the evaporation rate, thereby reducing the rate at which the body cools and amplifying the sense of heat. When heat gain exceeds the level the body can remove, body temperature begins to rise, and heat-related illnesses and disorders may develop.

Humidity

In Gillis, the average relative humidity in September is 77%.

Rainfall

In Gillis, Louisiana, in September, it is raining for 17.2 days, with typically 2.44" (62mm) of accumulated precipitation. Throughout the year, in Gillis, Louisiana, there are 163.9 rainfall days, and 27.01" (686mm) of precipitation is accumulated.

Snowfall

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

Daylight

In Gillis, the average length of the day in September is 12h and 20min.
On the first day of the month, sunrise is at 6:49 am and sunset at 7:35 pm. On the last day of September, sunrise is at 7:06 am and sunset at 6:58 pm CDT.

Sunshine

In Gillis, the average sunshine in September is 9.5h.

UV index

In September, the average daily maximum UV index in Gillis, Louisiana, is 6. A UV Index reading of 6 to 7 represents a high health vulnerability from unsafe exposure to UV radiation for the average person.
Note: In September, the UV index of 6 transforms into the following advice:
Skirt overexposure. People with light complexions might get scorched in under 20 minutes. The Sun's UV radiation is at its strongest between the hours of 10 a.m. and 4 p.m. Minimize direct exposure to the sun during this period. Sun protection is enhanced with clothing that boasts a tight weave yet offers a loose fit. Note this! The Sun's UV radiation can nearly be doubled by the reflection off snow.
[Resources]

Frequently asked questions

How hot is it in Gillis in September?

The average high-temperature and low-temperature in Gillis, Louisiana, during September are 88°F (31.1°C) and 70.5°F (21.4°C) respectively. In September, the average heat index (a.k.a. 'real feel', 'apparent temperature'), which represents the influence of relative humidity on air temperature, is calculated to be 104°F (40°C).

What is the average humidity in September in Gillis?

In Gillis, the average relative humidity in September is 77%.

How much does it rain in Gillis in September?

In Gillis, Louisiana, during September, the rain falls for 17.2 days and regularly aggregates up to 2.44" (62mm) of precipitation.

When it does not snow in Gillis?

February through November are months without snowfall in Gillis, Louisiana.

How many hours of daylight does Gillis have in September?

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

When are sunrise and sunset in September in Gillis?

On the first day of September in Gillis, Louisiana, sunrise is at 6:49 am and sunset at 7:35 pm. On the last day of the month, sunrise is at 7:06 am and sunset at 6:58 pm CDT.

How long on average sun shines in September in Gillis?

In Gillis, the average sunshine duration in September is 9.5h.

What is the UV index reading in September in Gillis?

In September, the average daily maximum UV index in Gillis, Louisiana, is 6. A UV Index value of 6 to 7 symbolizes 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
Gillis, LA

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

The warmest month (with the highest average high temperature) is July (92.8°F).
The month with the lowest average high temperature is January (58.6°F).

  • Average low temperature in September: 70.5°F

The months with the highest average low temperature are July and August (74.8°F).
The coldest month (with the lowest average low temperature) is January (42.8°F).

[Resources]

Average pressure in September
Gillis, LA

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

The month with the highest atmospheric pressure is January (30.16"Hg).
The month with the lowest atmospheric pressure is June (29.93"Hg).

[Resources]

Average wind speed in September
Gillis, LA

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

The windiest month (with the highest average wind speed) is April (8.2mph).
The calmest month (with the lowest average wind speed) is August (5.4mph).

[Resources]

Average humidity in September
Gillis, LA

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

The month with the highest relative humidity is February (82%).
The month with the lowest relative humidity is October (72%).

[Resources]

Average rainfall in September
Gillis, LA

Average rainfall in September - Gillis, LA
  • Average rainfall in September: 2.44"

The wettest month (with the highest rainfall) is August (4.37").
The driest month (with the least rainfall) is February (1.1").

[Resources]

Average rainfall days in September
Gillis, LA

Average rainfall days in September - Gillis, LA
  • Average rainfall days in September: 17.2 days

The month with the highest number of rainy days is August (20.3 days).
The month with the least rainy days is January (9.7 days).

[Resources]

Average snowfall in September
Gillis, LA

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

The month with the highest snowfall is January (0.12").
The months with the least snowfall are February, March, April, May, June, July, August, September, October and November (0").

[Resources]

Average snowfall days in September
Gillis, LA

Average snowfall days in September - Gillis, LA
  • Average snowfall days in September: 0.1 days

The month with the highest number of snowfall days is January (0.3 days).
The months with the least snowfall days are March, April, May, June, July, August, October and November (0 days).

[Resources]

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

Average daylight in September / Average sunshine in September - Gillis, 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 3min

The month with the most sunshine is June (Average sunshine: 10h and 18min).
The month with the least sunshine is December (Average sunshine: 4h and 54min).

[Resources]

Average sunshine days in September
Gillis, LA

Average sunshine days in September - Gillis, LA
  • Average sunshine days in September: 11.2 days

The month with the most sunshine days is January (18.6 days).
The month with the least sunshine days is August (7.6 days).

[Resources]

Average UV index in September
Gillis, LA

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

The months with the highest UV index are June, July and August (UV index 7).
The month with the lowest UV index is December (UV index 3).

[Resources]

Average cloud cover in September
Gillis, LA

Average cloud cover in September - Gillis, LA
  • Average cloud cover in September: 31

The month with the most cloud cover is February (Cloud cover 51).
The month with the least cloud cover is October (Cloud cover 28).

[Resources]

Average visibility in September
Gillis, LA

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

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

[Resources]

Gillis, Louisiana, USA

Weather forecast for your location

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