September weather forecastIndependence, LA
September
Weather in September
September, the first month of the autumn in Independence, is still a hot month, with temperature in the range of an average low of 69.4°F (20.8°C) and an average high of 87.3°F (30.7°C).Temperature
September is marked by an average high-temperature of a still tropical 87.3°F (30.7°C), almost identical to the preceding month. During the nights in September, Independence experiences a consistent average temperature of 69.4°F (20.8°C).Heat index
Throughout September, the heat index is evaluated at a very hot 102.2°F (39°C). Exercise special caution, heat exhaustion and heat cramps are probable. Prolonged activity may induce heatstroke.From a standpoint of the heat index, values pertain to shaded conditions and mild breezes. The heat index could experience an increase of 15 Fahrenheit (8 Celsius) degrees due to direct sunlight.
Note: The heat index, also known as 'felt air temperature' or 'feels like', is the outcome of merging air's temperature and its humidity metrics. Metabolic differences, pregnancy status, and the level of physical activity are additional factors influencing an individual's weather perception. You should know that direct sun exposure can heighten weather effects, potentially elevating the heat index by 15 Fahrenheit (8 Celsius) degrees. Heat index values are essentially critical for children. Young individuals usually face more risks than adults due to their lower sweat production. Their large skin surface area relative to their tiny bodies and high heat production from their activities adds to their risk.
The body's inherent cooling system operates through perspiration, wherein evaporating sweat offsets excessive heat. Under conditions of high temperature and humidity (enhanced heat index), sweat production is compromised, exacerbating the sensation of warmth. Heat-related challenges, like dehydration, can be anticipated when body heat isn't managed effectively.
Humidity
In September, the average relative humidity is 78%.Rainfall
September and November are months with the least rain when the rain falls for 15 days and typically aggregates up to 2.05" (52mm) of rain.Snowfall
February through November are months without snowfall.Daylight
The average length of the day in September in Independence is 12h and 20min.On the first day of the month, sunrise is at 6:38 am and sunset at 7:24 pm. On the last day of September, in Independence, sunrise is at 6:55 am and sunset at 6:48 pm CDT.
Sunshine
In September, the average sunshine is 9.5h.UV index
In Independence, the average daily maximum UV index in September is 6. A UV Index estimate of 6 to 7 represents a high health hazard from exposure to the Sun's UV radiation for ordinary individuals.Note: The UV index of 6 in September translates into these instructions:
Resist overexposure. Safeguarding from solar damage is indispensable. The Sun's UV radiation is most potent between the hours of 10 a.m. and 4 p.m. Try to avoid direct sunlight during this time. Sun protection is enhanced with clothing that boasts a tight weave yet offers a loose fit.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Independence, LA
- Average high temperature in September: 87.3°F
The warmest month (with the highest average high temperature) is July (91.4°F).
The month with the lowest average high temperature is January (58.3°F).
- Average low temperature in September: 69.4°F
The month with the highest average low temperature is August (73.6°F).
The coldest month (with the lowest average low temperature) is January (41.5°F).
Average pressure in September
Independence, 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
Independence, LA
- Average wind speed in September: 4.9mph
The windiest month (with the highest average wind speed) is April (6.9mph).
The calmest month (with the lowest average wind speed) is July (4.5mph).
Average humidity in September
Independence, LA
- Average humidity in September: 78%
The months with the highest relative humidity are February and December (82%).
The month with the lowest relative humidity is October (73%).
Average rainfall in September
Independence, LA
- Average rainfall in September: 2.05"
The wettest month (with the highest rainfall) is December (4.02").
The driest months (with the least rainfall) are September and November (2.05").
Average rainfall days in September
Independence, LA
- Average rainfall days in September: 15 days
The month with the highest number of rainy days is July (18.9 days).
The month with the least rainy days is November (8.7 days).
Average snowfall in September
Independence, 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
Independence, LA
- Average snowfall days in September: 0 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, September, October and November (0 days).
Average daylight in September /
Average sunshine in September
Independence, 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 30min
The month with the most sunshine is June (Average sunshine: 10h and 30min).
The month with the least sunshine is February (Average sunshine: 4h and 48min).
Average sunshine days in September
Independence, LA
- Average sunshine days in September: 13.4 days
The month with the most sunshine days is October (19.3 days).
The month with the least sunshine days is July (9.5 days).
Average UV index in September
Independence, 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
Independence, 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
Independence, 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).





