Contents
- Weather in September
- Frequently asked questions
- Average temperature in September
- Average pressure in September
- Average wind speed in September
- Average humidity in September
- Average rainfall in September
- Average rainfall days in September
- Average snowfall in September
- Average snowfall days in September
- Average daylight in September
- Average sunshine in September
- Average sunshine days in September
- Average UV index in September
- Average cloud cover in September
- Average visibility in September
Weather in September
Temperature
As August transitions into September, the average high-temperature rests at a still hot 86.9°F (30.5°C), maintaining a close resemblance to the previous month. During the month of September, the nighttime temperature in Mount Hermon falls to an average of 68.5°F (20.3°C).Heat index
Throughout September, the heat index is calculated to be a sweltering 102.2°F (39°C). More preventive actions are needed, risk of heat exhaustion and heat cramps is significant. Prolonged activity may trigger heatstroke.Take into consideration that the heat index values are calculated for shade and light wind conditions. Exposure to the direct sun might augment heat index values by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'real feel' or 'felt air temperature', is an index that combines air temperature and relative humidity to determine the human-perceived temperature equivalent. The impression of weather on a person can be swayed by additional aspects, including metabolic variations, pregnancy, and activity levels. It is noteworthy to mention that direct sunlight exposure can augment the felt temperature, leading to an increase in the heat index by 15 Fahrenheit (8 Celsius) degrees. Heat index values are essentially critical 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 process of perspiration is vital for the human body to get rid of excess warmth by allowing sweat to evaporate. Higher relative humidity impedes evaporation, thus reducing heat dispersion from the body, culminating in a sensation of overheating. Rising body temperatures due to excess heat retention could signify impending heat disorders.
Humidity
In September, the average relative humidity in Mount Hermon, Louisiana, is 78%.Rainfall
In Mount Hermon, in September, during 17.4 rainfall days, 2.4" (61mm) of precipitation is typically accumulated. Throughout the year, in Mount Hermon, Louisiana, there are 173.4 rainfall days, and 33.23" (844mm) of precipitation is accumulated.Snowfall
April through November are months without snowfall.Daylight
The average length of the day in September in Mount Hermon, Louisiana, is 12h and 20min.On the first day of the month, sunrise is at 6:37 am and sunset at 7:24 pm. On the last day of September, sunrise is at 6:54 am and sunset at 6:47 pm CDT.
Sunshine
The average sunshine in September is 9.1h.UV index
In Mount Hermon, the average daily maximum UV index in September is 6. A UV Index of 6 to 7 symbolizes a high health vulnerability from exposure to the Sun's UV rays for ordinary individuals.Note: The maximum UV index of 6 during September translates into these guidelines:
Use measures and accept sun safety conventions. Guarding against skin and eye trauma is of high priority. Avoid direct Sun exposure from 10 a.m. to 4 p.m., a period when UV radiation is most intense, and remember that not all shade structures provide full protection. Stay sun-safe with clothing that is both closely woven and worn loosely.
Frequently asked questions
Is it hot in Mount Hermon during September?
What is the average humidity in September in Mount Hermon?
How many days does it rain in September in Mount Hermon?
When it does not snow in Mount Hermon?
How many hours of daylight does Mount Hermon have in September?
When are sunrise and sunset in September in Mount Hermon?
How many hours of sunshine does Mount Hermon have in September?
What is the UV index reading in September in Mount Hermon?
Average temperature in September
Mount Hermon, LA
- Average high temperature in September: 86.9°F
The warmest month (with the highest average high temperature) is July (91°F).
The month with the lowest average high temperature is January (57.2°F).
- Average low temperature in September: 68.5°F
The months with the highest average low temperature are July and August (72.7°F).
The coldest month (with the lowest average low temperature) is January (40.5°F).
Average pressure in September
Mount Hermon, 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
Mount Hermon, LA
- Average wind speed in September: 4.8mph
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
Mount Hermon, 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 (72%).
Average rainfall in September
Mount Hermon, LA
- Average rainfall in September: 2.4"
The wettest month (with the highest rainfall) is August (4.41").
The driest month (with the least rainfall) is November (1.73").
Average rainfall days in September
Mount Hermon, LA
- Average rainfall days in September: 17.4 days
The month with the highest number of rainy days is July (22.4 days).
The month with the least rainy days is November (8.5 days).
Average snowfall in September
Mount Hermon, LA
- Average snowfall in September: 0"
The month with the highest snowfall is January (0.31").
The months with the least snowfall are April, May, June, July, August, September, October and November (0").
Average snowfall days in September
Mount Hermon, LA
- Average snowfall days in September: 0 days
The months with the highest number of snowfall days are January and February (0.3 days).
The months with the least snowfall days are April, May, June, July, August, September, October and November (0 days).
Average daylight in September /
Average sunshine in September
Mount Hermon, LA
- Average daylight in September: 12h and 2min
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 1min
The month with the most sunshine is June (Average sunshine: 10h and 18min).
The month with the least sunshine is February (Average sunshine: 4h and 42min).
Average sunshine days in September
Mount Hermon, LA
- Average sunshine days in September: 10.3 days
The month with the most sunshine days is November (19.4 days).
The month with the least sunshine days is July (7.3 days).
Average UV index in September
Mount Hermon, LA
- Average UV index in September: 6
The months with the highest UV index are June and July (UV index 7).
The months with the lowest UV index are January and December (UV index 3).
Average cloud cover in September
Mount Hermon, LA
- Average cloud cover in September: 35
The months with the most cloud cover are February and December (Cloud cover 51).
The month with the least cloud cover is October (Cloud cover 31).
Average visibility in September
Mount Hermon, LA
- Average visibility in September: 5mi
The months with the highest visibility are October and November (6mi).
The months with the lowest visibility are January, February, March, April, May, June, July, August, September and December (5mi).
Mount Hermon, Louisiana, USA
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