Contents
- Weather in September
- Frequently asked questions
- Average temperature in September
- Average pressure in September
- Average wind speed in September
- Average humidity in September
- Average rainfall in September
- Average rainfall days in September
- Average snowfall in September
- Average snowfall days in September
- Average daylight in September
- Average sunshine in September
- Average sunshine days in September
- Average UV index in September
- Average cloud cover in September
- Average visibility in September
Weather in September
Temperature
September's onset records a minor alteration in the average high-temperature to a still hot 87.6°F (30.9°C) from August's 91.6°F (33.1°C). Nighttime temperature in Cooley experiences an average drop to a pleasant 68.5°F (20.3°C) in September.Heat index
The heat index in September is calculated to be a blistering 104°F (40°C). Ensure additional precautions, heat exhaustion and heat cramps may be expected. Heatstroke could occur from sustained activity.Heat index readings emphasize conditions of light breezes and shaded spots. The heat index may experience an enhancement of 15 Fahrenheit (8 Celsius) degrees under direct sunlight.
Note: The heat index, also known as 'real feel' or 'felt air temperature', is calculated by taking the relative humidity value for a specific location and factoring it into the air temperature reading. One's perception of temperature can vary depending on physical activity and individual heat sensitivity, influenced by factors like wind, attire, and metabolic variations. It is essential to realize that direct sunlight can escalate the perceived temperature, increasing the heat index by 15 Fahrenheit (8 Celsius) degrees. Heat index values are largely significant for babies and toddlers. 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.
To offset high temperatures, the human body releases sweat which, upon evaporation, cools it down. 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. If heat absorption exceeds the body's cooling ability, body temperature can elevate, resulting in potential thermal illnesses.
Humidity
In September, the average relative humidity in Cooley is 77%.Rainfall
In September, the rain falls for 15.1 days. Throughout September, 2.32" (59mm) of precipitation is accumulated. In Cooley, Louisiana, during the entire year, the rain falls for 164.9 days and collects up to 34.96" (888mm) of precipitation.Snowfall
March through December are months without snowfall.Daylight
In Cooley, Louisiana, the average length of the day in September is 12h and 20min.On the first day of the month, sunrise is at 6:46 am and sunset at 7:32 pm. On the last day of September, sunrise is at 7:03 am and sunset at 6:55 pm CDT.
Sunshine
The average sunshine in September is 9.4h.UV index
The average daily maximum UV index in September is 6. A UV Index estimate of 6 to 7 represents a high threat to health from unprotected exposure to Sun's UV rays for ordinary individuals.Note: A daily high UV index of 6 in September leads to these guidelines:
Stand by precautions and apply sun safety measures. Evading sunburn is of great importance. Avoid direct exposure to the Sun between 10 a.m. and 4 p.m., the peak period for UV radiation, noting that objects like parasols or canopies might not offer complete sun protection. Your best bet for sun defense on the face, eyes, and neck is a hat with a wide brim.
Frequently asked questions
How hot does it get in Cooley in September?
What is the average humidity in September in Cooley?
How many days does it rain in September in Cooley?
When it does not snow in Cooley?
What is the average length of the day in September in Cooley?
What time are sunrise and sunset in September in Cooley?
How long on average sun shines in September in Cooley?
What is the UV index intensity in September in Cooley?
Average temperature in September
Cooley, LA
- Average high temperature in September: 87.6°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 (56.8°F).
- Average low temperature in September: 68.5°F
The month with the highest average low temperature is August (73.2°F).
The coldest month (with the lowest average low temperature) is January (41.2°F).
Average pressure in September
Cooley, LA
- Average pressure in September: 29.97"Hg
The month with the highest atmospheric pressure is January (30.16"Hg).
The months with the lowest atmospheric pressure are June and August (29.95"Hg).
Average wind speed in September
Cooley, LA
- Average wind speed in September: 5.2mph
The windiest month (with the highest average wind speed) is February (7.7mph).
The calmest months (with the lowest average wind speed) are July, August and September (5.2mph).
Average humidity in September
Cooley, LA
- Average humidity in September: 77%
The months with the highest relative humidity are February and December (82%).
The month with the lowest relative humidity is October (72%).
Average rainfall in September
Cooley, LA
- Average rainfall in September: 2.32"
The wettest month (with the highest rainfall) is August (3.62").
The driest month (with the least rainfall) is November (2.13").
Average rainfall days in September
Cooley, LA
- Average rainfall days in September: 15.1 days
The month with the highest number of rainy days is August (17.9 days).
The month with the least rainy days is November (10 days).
Average snowfall in September
Cooley, LA
- Average snowfall in September: 0"
The month with the highest snowfall is January (0.51").
The months with the least snowfall are March, April, May, June, July, August, September, October, November and December (0").
Average snowfall days in September
Cooley, 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 March, April, May, June, July, August, September, October, November and December (0 days).
Average daylight in September /
Average sunshine in September
Cooley, 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 month with the most sunshine is July (Average sunshine: 10h and 18min).
The month with the least sunshine is December (Average sunshine: 4h and 54min).
Average sunshine days in September
Cooley, LA
- Average sunshine days in September: 13.2 days
The month with the most sunshine days is October (19.7 days).
The month with the least sunshine days is August (10.8 days).
Average UV index in September
Cooley, 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
Cooley, LA
- Average cloud cover in September: 32
The month with the most cloud cover is February (Cloud cover 50).
The month with the least cloud cover is October (Cloud cover 29).
Average visibility in September
Cooley, LA
- Average visibility in September: 5mi
The months with the highest visibility are January, February, March, June, October, November and December (6mi).
The months with the lowest visibility are April, May, July, August and September (5mi).
Cooley, Louisiana, USA
Weather forecast for your location
2. Allow the app to use your location
