September weather forecastBethany, LA
September
Weather in September
September, the first month of the autumn in Bethany, is still a tropical month, with an average temperature ranging between max 88.9°F (31.6°C) and min 67.8°F (19.9°C).Temperature
As September begins, there is a minor decrease in the average high-temperature, softly falling from a sweltering 95.2°F (35.1°C) in August to a tropical 88.9°F (31.6°C). An average low-temperature of 67.8°F (19.9°C) is noted during the nights in September.Heat index
September's average heat index is computed to be a torrid 102.2°F (39°C). Exercise heightened safety, heat cramps and heat exhaustion are probable. Persistent activity may provoke heatstroke.Bear in mind that the heat index values are determined for shaded areas and light breezes. Facing direct sunlight may hike up the heat index by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'apparent temperature' or 'feels like', marries air temperature and humidity to produce a value illustrating perceived warmth. The impact of weather is personal, differing among a variety of people based on differences in body mass, height, and the level of physical exertion. Understand that direct sun rays can influence the weather's impact, leading to an increase in the heat index by 15 Fahrenheit (8 Celsius) degrees. Heat index values are highly critical to babies and toddlers. Young ones generally face higher dangers than adults since they sweat less. Along with their large skin surface area compared totheir small bodies and increased heat production from their activities, the risks are heightened.
Perspiration is essential for the human body; it facilitates cooling through the process of sweat evaporation. An increase in relative humidity hinders the body's normal cooling function by reducing evaporation, thereby decreasing the rate of body cooling and enhancing the sense of warmth. When the body's heat gain surpasses its removal capacity, body temperature starts to climb, leading to potential heat-related ailments.
Humidity
The average relative humidity in September is 69%.Rainfall
In Bethany, in September, it is raining for 14.5 days, with typically 2.6" (66mm) of accumulated precipitation. Throughout the year, there are 161.5 rainfall days, and 39.13" (994mm) of precipitation is accumulated.Snowfall
Months with snowfall are January through March, September, November and December. September is the first month it typically snows. Throughout September, in the average 0.1 snowfall days, it receives 0.04" (1mm) of snow. In Bethany, during the entire year, snow falls for 3.4 days and aggregates up to 1.61" (41mm) of snow.Daylight
In September, the average length of the day is 12h and 22min.On the first day of the month, sunrise is at 6:51 am and sunset at 7:40 pm. On the last day of September, sunrise is at 7:10 am and sunset at 7:01 pm CDT.
Sunshine
In September, the average sunshine is 9.4h.UV index
In Bethany, the average daily maximum UV index in September is 6. A UV Index estimate of 6 to 7 represents a high health vulnerability from exposure to the Sun's UV rays for the average person.Note: The maximum UV index of 6 during September leads to these instructions:
Dodge overexposure. Fair-skinned people can get singed in less than 20 minutes. The Sun's UV radiation is most potent between 10 a.m. and 4 p.m. Try to limit direct exposure to the Sun during this period. A wide-brim hat offers excellent sun protection for the eyes, ears, face, and neck. Sunglasses with UVA and UVB protection significantly reduce eye damage from sun exposure. Watch out! The Sun's UV radiation can be nearly magnified twofold due to snow reflection.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Bethany, LA
- Average high temperature in September: 88.9°F
The warmest month (with the highest average high temperature) is August (95.2°F).
The month with the lowest average high temperature is January (54.3°F).
- Average low temperature in September: 67.8°F
The month with the highest average low temperature is July (73.8°F).
The coldest month (with the lowest average low temperature) is January (38.8°F).
Average pressure in September
Bethany, 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 (29.93"Hg).
Average wind speed in September
Bethany, LA
- Average wind speed in September: 5.2mph
The windiest month (with the highest average wind speed) is April (7.3mph).
The calmest months (with the lowest average wind speed) are August and September (5.2mph).
Average humidity in September
Bethany, LA
- Average humidity in September: 69%
The month with the highest relative humidity is February (81%).
The month with the lowest relative humidity is August (67%).
Average rainfall in September
Bethany, LA
- Average rainfall in September: 2.6"
The wettest month (with the highest rainfall) is April (4.49").
The driest month (with the least rainfall) is July (2.52").
Average rainfall days in September
Bethany, LA
- Average rainfall days in September: 14.5 days
The months with the highest number of rainy days are March and August (15.8 days).
The month with the least rainy days is October (9.9 days).
Average snowfall in September
Bethany, LA
- Average snowfall in September: 0.04"
The month with the highest snowfall is February (0.79").
The months with the least snowfall are April, May, June, July, August and October (0").
Average snowfall days in September
Bethany, LA
- Average snowfall days in September: 0.1 days
The months with the highest number of snowfall days are January and February (1.1 days).
The months with the least snowfall days are April, May, June, July, August and October (0 days).
Average daylight in September /
Average sunshine in September
Bethany, LA
- Average daylight in September: 12h and 24min
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 6min).
- Average sunshine in September: 9h and 24min
The months with the most sunshine are July and August (Average sunshine: 10h and 18min).
The month with the least sunshine is December (Average sunshine: 4h and 54min).
Average sunshine days in September
Bethany, LA
- Average sunshine days in September: 13.3 days
The month with the most sunshine days is October (19.2 days).
The months with the least sunshine days are February and June (12.8 days).
Average UV index in September
Bethany, 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
Bethany, LA
- Average cloud cover in September: 29
The month with the most cloud cover is February (Cloud cover 52).
The months with the least cloud cover are August and September (Cloud cover 29).
Average visibility in September
Bethany, LA
- Average visibility in September: 6mi
The months with the highest visibility are April, May, June, July, August, September, October and November (6mi).
The months with the lowest visibility are January, February, March and December (5mi).
