September weather forecastWeil, LA
September
Weather in September
The first month of the autumn, September, is also a hot month in Weil, Louisiana, with an average temperature fluctuating between 68°F (20°C) and 88°F (31.1°C).Temperature
With September's arrival, Weil notes an average high-temperature of a still tropical 88°F (31.1°C), closely following the trend of the preceding month. The temperature in Weil lowers to an average of 68°F (20°C) during September nights.Heat index
The heat index value during September is calculated to be a blisteringly hot 104°F (40°C). Exercise enhanced safety steps, heat cramps and heat exhaustion are probable. Heatstroke could be a result of sustained activity.Be informed that the heat index values are oriented around shady conditions and gentle breezes. Direct sunlight might lead to a heat index increase by up to 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'felt air temperature' or 'feels like', combines both the air temperature and the humidity level to give a perceived human temperature. An individual's temperature experience can be influenced by extra factors, including metabolic differences, activity levels, and clothing. When directly under the sun, the weather's impact can intensify, possibly boosting the heat index by 15 Fahrenheit (8 Celsius) degrees. Heat index values are highly important for children. Juveniles are regularly less conscious of the need to recuperate and rehydrate. Thirst is a tardy symptom of dehydration - hydration, especially during lengthy physical activities, should be maintained.
Humans rely on perspiration as a cooling mechanism, wherein the evaporating sweat counteracts excessive warmth. When the air contains significant moisture, the efficiency of the evaporation process decreases, preventing the body from cooling down effectively and creating a feeling of overheating. When heat surpasses the body's release mechanisms, dehydration and overheating risks become pronounced.
Humidity
The average relative humidity in September is 76%.Rainfall
In Weil, in September, during 14.8 rainfall days, 2.44" (62mm) of precipitation is typically accumulated. Throughout the year, in Weil, there are 164.9 rainfall days, and 35.43" (900mm) of precipitation is accumulated.Snowfall
March through November are months without snowfall.Daylight
In Weil, Louisiana, the average length of the day in September is 12h and 20min.On the first day of September, sunrise is at 6:46 am and sunset at 7:33 pm. On the last day of the month, sunrise is at 7:03 am and sunset at 6:56 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 of 6 to 7 symbolizes a high health risk from exposure to the Sun's UV rays for average individuals.Note: In September, the UV index of 6 transforms into the following advice:
Undertake protective measures and comply with sun safety rules. Shielding against skin and eye damage is essential. Remember that the sun's UV radiation is strongest between 10 a.m. and 4 p.m. Make an effort to avoid direct sun exposure during these hours. A wide-brimmed hat is a staple for defending the face, eyes, ears, and neck from the Sun. Stay alert! Snow's reflective properties can almost double the UV radiation from the Sun.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Weil, LA
- Average high temperature in September: 88°F
The warmest month (with the highest average high temperature) is July (93.2°F).
The month with the lowest average high temperature is January (56.1°F).
- Average low temperature in September: 68°F
The months with the highest average low temperature are July and August (73°F).
The coldest month (with the lowest average low temperature) is January (40.6°F).
Average pressure in September
Weil, LA
- Average pressure in September: 29.97"Hg
The month with the highest atmospheric pressure is January (30.16"Hg).
The month with the lowest atmospheric pressure is June (29.94"Hg).
Average wind speed in September
Weil, LA
- Average wind speed in September: 5mph
The windiest month (with the highest average wind speed) is February (7.4mph).
The calmest months (with the lowest average wind speed) are July, August and September (5mph).
Average humidity in September
Weil, LA
- Average humidity in September: 76%
The months with the highest relative humidity are February and December (82%).
The month with the lowest relative humidity is October (71%).
Average rainfall in September
Weil, LA
- Average rainfall in September: 2.44"
The wettest month (with the highest rainfall) is August (3.62").
The driest month (with the least rainfall) is November (2.17").
Average rainfall days in September
Weil, LA
- Average rainfall days in September: 14.8 days
The month with the highest number of rainy days is July (17.4 days).
The month with the least rainy days is October (9.9 days).
Average snowfall in September
Weil, LA
- Average snowfall in September: 0"
The month with the highest snowfall is January (0.55").
The months with the least snowfall are March, April, May, June, July, August, September, October and November (0").
Average snowfall days in September
Weil, LA
- Average snowfall days in September: 0.1 days
The month with the highest number of snowfall days is January (0.6 days).
The months with the least snowfall days are March, April, May, June, July, August, October and November (0 days).
Average daylight in September /
Average sunshine in September
Weil, LA
- Average daylight in September: 12h and 18min
The month with the longest days is June (Average daylight: 14h and 12min).
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 July (Average sunshine: 10h and 12min).
The month with the least sunshine is December (Average sunshine: 4h and 54min).
Average sunshine days in September
Weil, LA
- Average sunshine days in September: 13.4 days
The month with the most sunshine days is October (19.6 days).
The month with the least sunshine days is July (11.3 days).
Average UV index in September
Weil, 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
Weil, LA
- Average cloud cover in September: 32
The month with the most cloud cover is February (Cloud cover 51).
The month with the least cloud cover is October (Cloud cover 29).
Average visibility in September
Weil, LA
- Average visibility in September: 5mi
The months with the highest visibility are January, June, October, November and December (6mi).
The months with the lowest visibility are February, March, April, May, July, August and September (5mi).
