September weather forecast
Glade Bayou Landing, LA

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Weather in September

The first month of the autumn, September, is still a hot month in Glade Bayou Landing, Louisiana, with temperature in the range of an average low of 68°F (20°C) and an average high of 87.8°F (31°C).

Temperature

Glade Bayou Landing's shift into September is marked by a subtle change to a still hot 87.8°F (31°C) from August's 91°F (32.8°C) in temperature. Glade Bayou Landing records an average low-temperature of 68°F (20°C) throughout the month of September.

Heat index

In September, the heat index is computed to be a very hot 102.2°F (39°C). Use additional protective measures, heat cramps and heat exhaustion are possible outcomes. Continuous activity might lead to heatstroke.
Understanding the heat index involves considering values for shaded locales with light wind. Being under direct sunlight might amplify the heat index by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'feels like' or 'apparent temperature', is the result of factoring in humidity to the air temperature, indicating perceived warmth. This effect is personal, influenced by the individual's physical activity and heat sensitivity, shaped by factors including wind, attire, and metabolic variations. Being under direct sunshine can magnify the heat experience, possibly pushing up the heat index by 15 Fahrenheit (8 Celsius) degrees. Heat index values are particularly relevant to children. Young individuals are typically more threatened than adults due to their reduced perspiration. Also, the larger skin surface proportionate to their small bodies and the increased heat from their activities magnify their risk.
The process of perspiration is vital for the human body to get rid of excess warmth by allowing sweat to evaporate. With a lot of moisture in the air, the evaporation process is not as effective, and the body does not cool down as efficiently, creating a perception of overheating. Overheating dangers loom when the body's heat release mechanisms are overshadowed by excessive gain.

Humidity

In Glade Bayou Landing, the average relative humidity in September is 74%.

Rainfall

In Glade Bayou Landing, in September, it is raining for 12.7 days, with typically 2.2" (56mm) of accumulated precipitation. Throughout the year, there are 154.1 rainfall days, and 35.12" (892mm) of precipitation is accumulated.

Snowfall

In Glade Bayou Landing, snow does not fall in April through December.

Daylight

In September, the average length of the day is 12h and 21min.
On the first day of the month, sunrise is at 6:41 am and sunset at 7:29 pm. On the last day of September, sunrise is at 6:59 am and sunset at 6:51 pm CDT.

Sunshine

In Glade Bayou Landing, the average sunshine in September is 9.7h.

UV index

The average daily maximum UV index in September is 6. A UV Index value of 6 to 7 symbolizes a high health vulnerability from exposure to the Sun's UV radiation for the average person.
Note: The maximum daily UV index of 6 in September interprets into the following recommendations:
Adhere to precautions and respect sun safety doctrines. Avoiding sunburn is vital. The Sun's UV radiation is most potent between 10 a.m. and 4 p.m. Try to limit direct exposure to the Sun during this period. Always opt for UVA and UVB-resistant sunglasses on radiant days.

Frequently asked questions

How hot is September?

In September, in Glade Bayou Landing, the average high-temperature is 87.8°F (31°C), and the average low-temperature is 68°F (20°C). The average heat index (a.k.a. 'felt air temperature', 'feels like'), which calculates the temperature value influenced by the moisture in the air, in September is computed to be 102.2°F (39°C).

What is the average humidity in September in Glade Bayou Landing?

In Glade Bayou Landing, the average relative humidity in September is 74%.

How much does it rain in September?

In Glade Bayou Landing, in September, during 12.7 rainfall days, 2.2" (56mm) of precipitation is typically accumulated.

When it does not snow?

In Glade Bayou Landing, snow does not fall in April through December.

What is the average length of the day in September?

The average day length in September is 12h and 21min.

What time are sunrise and sunset in September?

On the first day of September, sunrise is at 6:41 am and sunset at 7:29 pm. On the last day of the month, sunrise is at 6:59 am and sunset at 6:51 pm CDT.

How long on average sun shines in September?

In Glade Bayou Landing, the average sunshine duration in September is 9.7h.

What is the UV index reading in September?

In Glade Bayou Landing, the average daily maximum UV index in September is 6. A UV Index estimate of 6 to 7 represents a high health risk 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
Glade Bayou Landing, LA

Average temperature in September - Glade Bayou Landing, LA
  • Average high temperature in September: 87.8°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 (55°F).

  • Average low temperature in September: 68°F

The month with the highest average low temperature is August (73°F).
The coldest month (with the lowest average low temperature) is January (40.3°F).

Average pressure in September
Glade Bayou Landing, LA

Average pressure in September - Glade Bayou Landing, LA
  • Average pressure in September: 29.98"Hg

The month with the highest atmospheric pressure is January (30.17"Hg).
The month with the lowest atmospheric pressure is June (29.96"Hg).

Average wind speed in September
Glade Bayou Landing, LA

Average wind speed in September - Glade Bayou Landing, LA
  • Average wind speed in September: 5.3mph

The windiest month (with the highest average wind speed) is February (8.3mph).
The calmest months (with the lowest average wind speed) are July and September (5.3mph).

Average humidity in September
Glade Bayou Landing, LA

Average humidity in September - Glade Bayou Landing, LA
  • Average humidity in September: 74%

The month with the highest relative humidity is February (81%).
The month with the lowest relative humidity is October (69%).

Average rainfall in September
Glade Bayou Landing, LA

Average rainfall in September - Glade Bayou Landing, LA
  • Average rainfall in September: 2.2"

The wettest month (with the highest rainfall) is April (3.43").
The driest month (with the least rainfall) is November (2.13").

Average rainfall days in September
Glade Bayou Landing, LA

Average rainfall days in September - Glade Bayou Landing, LA
  • Average rainfall days in September: 12.7 days

The month with the highest number of rainy days is August (15.5 days).
The month with the least rainy days is October (8.5 days).

Average snowfall in September
Glade Bayou Landing, LA

Average snowfall in September - Glade Bayou Landing, LA
  • Average snowfall in September: 0"

The month with the highest snowfall is January (0.55").
The months with the least snowfall are April, May, June, July, August, September, October, November and December (0").

Average snowfall days in September
Glade Bayou Landing, LA

Average snowfall days in September - Glade Bayou Landing, LA
  • Average snowfall days in September: 0 days

The month with the highest number of snowfall days is January (0.8 days).
The months with the least snowfall days are April, May, June, July, August, September, October, November and December (0 days).

Average daylight in September /
Average sunshine in September
Glade Bayou Landing, LA

Average daylight in September / Average sunshine in September - Glade Bayou Landing, LA
  • Average daylight in September: 12h and 2min

The month with the longest days is June (Average daylight: 14h and 12min).
The month with the shortest days is December (Average daylight: 10h and 6min).

  • Average sunshine in September: 9h and 4min

The month with the most sunshine is June (Average sunshine: 10h and 36min).
The month with the least sunshine is December (Average sunshine: 4h and 48min).

Average sunshine days in September
Glade Bayou Landing, LA

Average sunshine days in September - Glade Bayou Landing, LA
  • Average sunshine days in September: 16.2 days

The month with the most sunshine days is October (21.4 days).
The month with the least sunshine days is February (13.3 days).

Average UV index in September
Glade Bayou Landing, LA

Average UV index in September - Glade Bayou Landing, 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).

Average cloud cover in September
Glade Bayou Landing, LA

Average cloud cover in September - Glade Bayou Landing, LA
  • Average cloud cover in September: 30

The month with the most cloud cover is February (Cloud cover 48).
The months with the least cloud cover are June and October (Cloud cover 28).

Average visibility in September
Glade Bayou Landing, LA

Average visibility in September - Glade Bayou Landing, 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).

Glade Bayou Landing, Louisiana, USA

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