September weather forecastLongacre, LA
September
Weather in September
The first month of the autumn, September, is still a hot month in Longacre, Louisiana, with an average temperature ranging between max 88.2°F (31.2°C) and min 69.1°F (20.6°C).Temperature
The arrival of September signals a subtle shift in temperature, down from a hot 93.6°F (34.2°C) in August to a still tropical 88.2°F (31.2°C). In September, Longacre experiences a temperature dip to an average of 69.1°F (20.6°C) at night.Heat index
The heat index for September is evaluated at a scorching 104°F (40°C). Undertake extra safety actions, heat cramps and heat exhaustion are expected. Heatstroke may result from lengthy activity.Realize that the values for the heat index are set for shaded places and light winds. A rise of up to 15 Fahrenheit (8 Celsius) degrees in the heat index could result from direct sunlight.
Note: The heat index, also known as 'real feel' or 'felt air temperature', represents the fusion of temperature and moisture in the air to suggest how warm it feels. The effect of weather is individual, with a variety of people experiencing it differently due to distinctions in body mass, height, and level of activity. Taking into account that direct sunlight can boost the heat effect, the heat index may rise by up to 15 Fahrenheit (8 Celsius) degrees. Heat index values are quite important for babies and toddlers. Youngsters often neglect the necessity for rest and hydration. Thirst is a sign of advancing dehydration - thus the importance of maintaining hydration, specifically during long-lasting physical activities.
The human body cools itself through perspiration, as excessive warmth is removed from the body through sweat evaporation. An increase in relative humidity retards evaporation, subsequently reducing the body's heat removal rate and leading to a sensation of being overly warm. Heat absorption that surpasses the body's shedding capability can lead to overheating and varying levels of dehydration.
Humidity
In Longacre, the average relative humidity in September is 76%.Rainfall
In Longacre, in September, it is raining for 16.9 days, with typically 2.09" (53mm) of accumulated precipitation. Throughout the year, in Longacre, there are 163.2 rainfall days, and 25.08" (637mm) of precipitation is accumulated.Snowfall
In Longacre, snow does not fall in March through November.Daylight
In Longacre, 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 September, the average sunshine is 9.3h.UV index
In Longacre, 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 radiation for average individuals.Note: The UV index of 6 in September translates into these instructions:
Uphold preventive measures and conform to sun safety guidelines. Defending against skin and eye harm is crucial. Seek shade and minimize exposure to direct Sun in a period between 10 a.m. and 4 p.m. when UV radiation is most intense; keep in mind that shade structures like parasols or canopies do not provide perfect sun protection. Sunglasses that ward off UVA and UVB rays play a pivotal role in reducing solar eye damage.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Longacre, LA
- Average high temperature in September: 88.2°F
The warmest months (with the highest average high temperature) are July and August (93.6°F).
The month with the lowest average high temperature is January (57.7°F).
- Average low temperature in September: 69.1°F
The months with the highest average low temperature are July and August (73.8°F).
The coldest month (with the lowest average low temperature) is January (41.4°F).
Average pressure in September
Longacre, 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).
Average wind speed in September
Longacre, LA
- Average wind speed in September: 5.2mph
The windiest month (with the highest average wind speed) is April (7.4mph).
The calmest months (with the lowest average wind speed) are July and August (5mph).
Average humidity in September
Longacre, LA
- Average humidity in September: 76%
The month with the highest relative humidity is February (82%).
The month with the lowest relative humidity is October (72%).
Average rainfall in September
Longacre, LA
- Average rainfall in September: 2.09"
The wettest month (with the highest rainfall) is August (4.06").
The driest month (with the least rainfall) is November (1.3").
Average rainfall days in September
Longacre, LA
- Average rainfall days in September: 16.9 days
The month with the highest number of rainy days is August (20.5 days).
The month with the least rainy days is November (7.7 days).
Average snowfall in September
Longacre, 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 and November (0").
Average snowfall days in September
Longacre, LA
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is January (0.4 days).
The months with the least snowfall days are April, May, June, July, August, September, October and November (0 days).
Average daylight in September /
Average sunshine in September
Longacre, LA
- Average daylight in September: 12h and 18min
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 18min
The months with the most sunshine are June and July (Average sunshine: 10h and 6min).
The month with the least sunshine is December (Average sunshine: 4h and 54min).
Average sunshine days in September
Longacre, LA
- Average sunshine days in September: 11.4 days
The month with the most sunshine days is November (19.9 days).
The month with the least sunshine days is August (7.9 days).
Average UV index in September
Longacre, 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).
Average cloud cover in September
Longacre, LA
- Average cloud cover in September: 33
The month with the most cloud cover is February (Cloud cover 52).
The month with the least cloud cover is October (Cloud cover 30).
Average visibility in September
Longacre, LA
- Average visibility in September: 5mi
The months with the highest visibility are January, October and November (6mi).
The months with the lowest visibility are February, March, April, May, June, July, August, September and December (5mi).





