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
The shift into September finds Mystic at an average high-temperature of a still hot 88°F (31.1°C), closely comparable to August's conditions. In the month of September, Mystic records a consistent average low-temperature of 70.5°F (21.4°C).Heat index
Throughout September, the heat index is computed to be a blisteringly hot 104°F (40°C). Incorporate special precautions, risk of heat exhaustion and heat cramps is substantial. Sustained activity could cause heatstroke.Heat index details are generally centered around shaded locations and a mild breeze. Being exposed to direct sunshine might trigger a heat index increase by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'feels like' or 'apparent temperature', is a composite of temperature and humidity figures to convey how warm it feels. One's perception of weather can be shaped by other factors, involving metabolic differences, pregnancy, and physical exertion. Consider the sun's direct rays and their impact; they can potentially increase the heat index by 15 Fahrenheit (8 Celsius) degrees. Heat index values are extremely significant for babies and toddlers. Youngsters often neglect the necessity for rest and hydration. Thirst is a sign of advancing dehydration - thus the importance of maintaining hydration, specifically during long-lasting physical activities.
For the human body, perspiration is the go-to method to regulate temperature, using sweat's evaporation to dissipate warmth. An upsurge in relative humidity affects normal body cooling mechanisms by slowing evaporation, hence reducing the rate at which the body cools and intensifying the perception of heat. Overheating risks increase with rising body temperatures, especially if heat release isn't efficient.
Humidity
The average relative humidity in September in Mystic is 77%.Rainfall
In Mystic, in September, during 17.2 rainfall days, 2.44" (62mm) of precipitation is typically accumulated. In Mystic, during the entire year, the rain falls for 163.9 days and collects up to 27.01" (686mm) of precipitation.Snowfall
In Mystic, snow does not fall in February through November.Daylight
In Mystic, the average length of the day in September is 12h and 20min.On the first day of September, sunrise is at 6:51 am and sunset at 7:36 pm. On the last day of the month, sunrise is at 7:07 am and sunset at 7:00 pm CDT.
Sunshine
In Mystic, the average sunshine in September is 9.5h.UV index
The average daily maximum UV index in September in Mystic is 6. A UV Index of 6 to 7 symbolizes a high health vulnerability from unprotected exposure to Sun's UV rays for average individuals.Note: During September, 6 as the daily maximum UV index converts into the following advice:
Guard against overexposure. Protection from sun-induced harm is essential. Seek shade and limit direct Sun exposure between 10 a.m. and 4 p.m., when UV radiation is at its peak, but be aware that not all shade structures provide complete sun protection. Outfit yourself in sun-safe attire, like long sleeves, pants, a hat, and UV-blocking sunglasses. Take to heart! Snow reflection can almost magnify the Sun's UV radiation twofold.
Frequently asked questions
Is it hot in Mystic during September?
What is the average humidity in September in Mystic?
How much does it rain in Mystic in September?
When it does not snow in Mystic?
How many hours of daylight does Mystic have in September?
When are sunrise and sunset in September in Mystic?
How many hours of sunshine does Mystic have in September?
What is the UV index reading in September in Mystic?
Average temperature in September
Mystic, LA
- Average high temperature in September: 88°F
The warmest month (with the highest average high temperature) is July (92.8°F).
The month with the lowest average high temperature is January (58.6°F).
- Average low temperature in September: 70.5°F
The months with the highest average low temperature are July and August (74.8°F).
The coldest month (with the lowest average low temperature) is January (42.8°F).
Average pressure in September
Mystic, LA
- Average pressure in September: 29.96"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
Mystic, LA
- Average wind speed in September: 5.7mph
The windiest month (with the highest average wind speed) is April (8.2mph).
The calmest month (with the lowest average wind speed) is August (5.4mph).
Average humidity in September
Mystic, LA
- Average humidity in September: 77%
The month with the highest relative humidity is February (82%).
The month with the lowest relative humidity is October (72%).
Average rainfall in September
Mystic, LA
- Average rainfall in September: 2.44"
The wettest month (with the highest rainfall) is August (4.37").
The driest month (with the least rainfall) is February (1.1").
Average rainfall days in September
Mystic, LA
- Average rainfall days in September: 17.2 days
The month with the highest number of rainy days is August (20.3 days).
The month with the least rainy days is January (9.7 days).
Average snowfall in September
Mystic, LA
- Average snowfall in September: 0"
The month with the highest snowfall is January (0.12").
The months with the least snowfall are February, March, April, May, June, July, August, September, October and November (0").
Average snowfall days in September
Mystic, LA
- Average snowfall days in September: 0.1 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, October and November (0 days).
Average daylight in September /
Average sunshine in September
Mystic, 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 3min
The month with the most sunshine is June (Average sunshine: 10h and 18min).
The month with the least sunshine is December (Average sunshine: 4h and 54min).
Average sunshine days in September
Mystic, LA
- Average sunshine days in September: 11.2 days
The month with the most sunshine days is January (18.6 days).
The month with the least sunshine days is August (7.6 days).
Average UV index in September
Mystic, LA
- Average UV index in September: 6
The months with the highest UV index are June, July and August (UV index 7).
The month with the lowest UV index is December (UV index 3).
Average cloud cover in September
Mystic, LA
- Average cloud cover in September: 31
The month with the most cloud cover is February (Cloud cover 51).
The month with the least cloud cover is October (Cloud cover 28).
Average visibility in September
Mystic, LA
- Average visibility in September: 5mi
The months with the highest visibility are January, February, March, April, May, June, October, November and December (6mi).
The months with the lowest visibility are July, August and September (5mi).
Mystic, Louisiana, USA
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