September weather forecastShreveport, LA
September
Weather in September
September in Shreveport marks the gradual end of the intense summer heat. The month sees a decrease in average temperatures, providing a gallant reprieve from the relentless summer. It's a transition period, where the city starts to bid farewell to the summer and slowly ushers in the crispy fall weather. Despite the dip in temperatures, the weather remains warm enough for outdoor activities. Step by step, the warm summer gives way to a slightly cooler October.Temperature
In September, the average high-temperature in Shreveport, Louisiana, marginally decreases from a very hot 95.5°F (35.3°C) in August to a tropical 89.1°F (31.7°C). Shreveport's nights in September experience an average temperature drop to an agreeable 68.4°F (20.2°C).Heat index
During September, the heat index is evaluated at a fiery hot 102.2°F (39°C). Implement enhanced safety actions, heat cramps and heat exhaustion could occur. Sustained activity might result in heatstroke.It is worth noting that heat index values are gauged for conditions in the shade and light breezes. Exposure to unobstructed sunshine could lead to an increase in the heat index by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'felt air temperature' or 'feels like', offers an insight into how hot it feels when we factor in moisture content. This effect is subjective, differing among individuals based on their physical activity and perception of heat, which can be influenced by factors like wind, clothing, and metabolic variances. It is important to note that direct sunlight can intensify the weather impact, potentially raising the heat index by 15 Fahrenheit (8 Celsius) degrees. Heat index values are extremely vital to babies and toddlers. Children typically face more danger than adults as their sweat production is usually lower. Additionally, the bigger skin surface compared to their small size and the increased heat due to their activeness exacerbate the risk.
To combat high temperatures, the human body perspires and relies on sweat evaporation for cooling. Elevated relative humidity disrupts typical body cooling by reducing the evaporation rate, consequently decreasing the body's cooling rate and enhancing the feeling of heat. Overheating risks increase with rising body temperatures, especially if heat release isn't efficient.
Humidity
In September, the average relative humidity is 68%.Rainfall
The month with the least rainfall is September, when the rain falls for 9.2 days and typically collects 0.63" (16mm) of precipitation.Snowfall
March through December are months without snowfall.Daylight
In September, the average length of the day is 12h and 22min.On the first day of the month, sunrise is at 6:50 am and sunset at 7:39 pm. On the last day of September, sunrise is at 7:08 am and sunset at 7:00 pm CDT.
Sunshine
The average sunshine in September is 9.6h.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: In September, an average UV index of 6 transforms into the following instructions:
Take precautions and utilize sun safety practices. Protection against skin and eye damage is required. Stay out of direct sunlight and seek shade between 10 a.m. and 4 p.m., when UV radiation is strongest, but remember that shade devices may not offer full sun protection. For optimum UV protection, wear sun-resistant attire complemented with a hat and quality shades.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Shreveport, LA
- Average high temperature in September: 89.1°F
The warmest months (with the highest average high temperature) are July and August (95.5°F).
The month with the lowest average high temperature is January (54.1°F).
- Average low temperature in September: 68.4°F
The month with the highest average low temperature is July (74.5°F).
The coldest month (with the lowest average low temperature) is January (38.8°F).
Average pressure in September
Shreveport, LA
- Average pressure in September: 29.98"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
Shreveport, LA
- Average wind speed in September: 5.3mph
The windiest month (with the highest average wind speed) is April (7.5mph).
The calmest months (with the lowest average wind speed) are August and September (5.3mph).
Average humidity in September
Shreveport, LA
- Average humidity in September: 68%
The month with the highest relative humidity is February (80%).
The month with the lowest relative humidity is August (65%).
Average rainfall in September
Shreveport, LA
- Average rainfall in September: 0.63"
The wettest month (with the highest rainfall) is April (1.65").
The driest month (with the least rainfall) is September (0.63").
Average rainfall days in September
Shreveport, LA
- Average rainfall days in September: 9.2 days
The month with the highest number of rainy days is July (10.8 days).
The month with the least rainy days is January (6.5 days).
Average snowfall in September
Shreveport, LA
- Average snowfall in September: 0"
The month with the highest snowfall is January (0.08").
The months with the least snowfall are March, April, May, June, July, August, September, October, November and December (0").
Average snowfall days in September
Shreveport, LA
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is February (0.7 days).
The months with the least snowfall days are April, May, June, July, August, September, October and December (0 days).
Average daylight in September /
Average sunshine in September
Shreveport, LA
- Average daylight in September: 12h and 24min
The month with the longest days is June (Average daylight: 14h and 18min).
The month with the shortest days is December (Average daylight: 10h and 6min).
- Average sunshine in September: 9h and 36min
The month with the most sunshine is August (Average sunshine: 10h and 30min).
The month with the least sunshine is December (Average sunshine: 5h and 0min).
Average sunshine days in September
Shreveport, LA
- Average sunshine days in September: 17.7 days
The month with the most sunshine days is January (23.3 days).
The month with the least sunshine days is September (17.7 days).
Average UV index in September
Shreveport, 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
Shreveport, LA
- Average cloud cover in September: 29
The month with the most cloud cover is February (Cloud cover 51).
The months with the least cloud cover are July and August (Cloud cover 28).
Average visibility in September
Shreveport, LA
- Average visibility in September: 6mi
The months with the highest visibility are January, March, April, May, June, July, August, September, October, November and December (6mi).
The month with the lowest visibility is February (5mi).
