September weather forecastSheridan, LA
September
Weather in September
September, the first month of the autumn in Sheridan, is still a hot month, with temperature in the range of an average low of 69.6°F (20.9°C) and an average high of 87.4°F (30.8°C).Temperature
The start of September marks an average high-temperature of a still tropical 87.4°F (30.8°C), hardly distinguishable from the conditions in August. During the month of September, an average temperature of 69.6°F (20.9°C) is noted during the nights.Heat index
The average heat index in September is appraised at a sweltering 102.2°F (39°C). Greater preventive actions are needed, heat exhaustion and heat cramps are likely. Persistent activity could provoke heatstroke.It is worth noting that heat index values are gauged for conditions in the shade and light breezes. The heat index may experience an enhancement of 15 Fahrenheit (8 Celsius) degrees under direct sunlight.
Note: The heat index, also known as 'apparent temperature' or 'felt air temperature', is a measure that combines air temperature and relative humidity into a single value that indicates how hot the weather feels. This effect is personal, influenced by the individual's physical activity and heat sensitivity, shaped by factors including wind, attire, and metabolic variations. Direct sunlight can potentially raise the heat index by 15 Fahrenheit (8 Celsius) degrees, so it's crucial to consider. Heat index values hold particular importance for children. Children frequently underestimate the importance of resting and drinking fluids. Thirst is a symptom of advanced dehydration - hence the need to hydrate regularly, especially during protracted physical exercises.
The body's natural response to excessive warmth is perspiration, as it allows for cooling through sweat evaporation. Heightened relative humidity interferes with the body's usual cooling mechanism by reducing evaporation, subsequently decreasing the body's cooling rate and increasing the sensation of heat. Accumulating more heat than the body can dissipate leads to an uptick in body temperature, with potential heat stress consequences.
Humidity
The average relative humidity in September is 77%.Rainfall
In Sheridan, during September, the rain falls for 17.1 days and regularly aggregates up to 2.28" (58mm) of precipitation. Throughout the year, there are 168 rainfall days, and 29.57" (751mm) of precipitation is accumulated.Snowfall
February through November are months without snowfall.Daylight
The average length of the day in September is 12h and 20min.On the first day of the month, sunrise is at 6:36 am and sunset at 7:22 pm. On the last day of September, in Sheridan, Louisiana, sunrise is at 6:53 am and sunset at 6:46 pm CDT.
Sunshine
The average sunshine in September is 9.4h.UV index
In September, the average daily maximum UV index is 6. A UV Index reading of 6 to 7 represents a high threat to health from exposure to the Sun's UV radiation for the average person.Note: An average maximum UV index of 6 in September leads to these recommendations:
Act on precautions and pay attention to sun safety recommendations. Avoidance of sunburn is obligatory. To the best of your ability, limit your exposure to the sun between the hours of 10 a.m. and 4 p.m., when UV radiation is at its peak. Combat UV radiation's detrimental effects with sun-safe clothing and UV-blocking eyewear.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Sheridan, LA
- Average high temperature in September: 87.4°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 (58.5°F).
- Average low temperature in September: 69.6°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 (41.2°F).
Average pressure in September
Sheridan, 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).
Average wind speed in September
Sheridan, LA
- Average wind speed in September: 4.7mph
The windiest month (with the highest average wind speed) is April (6.7mph).
The calmest month (with the lowest average wind speed) is July (4.3mph).
Average humidity in September
Sheridan, LA
- Average humidity in September: 77%
The month with the highest relative humidity is December (81%).
The month with the lowest relative humidity is October (71%).
Average rainfall in September
Sheridan, LA
- Average rainfall in September: 2.28"
The wettest month (with the highest rainfall) is August (4.13").
The driest month (with the least rainfall) is November (1.5").
Average rainfall days in September
Sheridan, LA
- Average rainfall days in September: 17.1 days
The month with the highest number of rainy days is July (21.9 days).
The month with the least rainy days is November (8.1 days).
Average snowfall in September
Sheridan, LA
- Average snowfall in September: 0"
The months with the highest snowfall are January and December (0.24").
The months with the least snowfall are February, March, April, May, June, July, August, September, October and November (0").
Average snowfall days in September
Sheridan, LA
- Average snowfall days in September: 0 days
The months with the highest number of snowfall days are January and December (0.3 days).
The months with the least snowfall days are March, April, May, June, July, August, September, October and November (0 days).
Average daylight in September /
Average sunshine in September
Sheridan, 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 24min
The month with the most sunshine is June (Average sunshine: 10h and 42min).
The month with the least sunshine is December (Average sunshine: 4h and 54min).
Average sunshine days in September
Sheridan, LA
- Average sunshine days in September: 10.5 days
The month with the most sunshine days is November (19.9 days).
The month with the least sunshine days is July (7.4 days).
Average UV index in September
Sheridan, 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
Sheridan, LA
- Average cloud cover in September: 31
The month with the most cloud cover is December (Cloud cover 50).
The month with the least cloud cover is October (Cloud cover 28).
Average visibility in September
Sheridan, LA
- Average visibility in September: 5mi
The months with the highest visibility are June, October and November (6mi).
The months with the lowest visibility are January, February, March, April, May, July, August, September and December (5mi).





