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
September commences with an average high-temperature of a still hot 88°F (31.1°C), showing little deviation from August's 91.9°F (33.3°C). State Line observes an average nighttime low-temperature of 67.5°F (19.7°C) during the month of September.Heat index
In September, the heat index is appraised at a fiery hot 102.2°F (39°C). Heightened safety actions are necessary, heat cramps and heat exhaustion are probable. Persistent activity may lead to heatstroke.Heat index specifics point out values are for conditions of shade and a slight breeze. Direct sunlight can cause a surge in the heat index by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'real feel' or 'felt air temperature', stands as a testimony to how temperature and humidity combine to impact our sense of warmth. Additional factors encompassing metabolic differences, the level of physical activity, and clothing can impact the individual's perception of temperature. Do note, being directly under sun rays can amplify the heat you feel, potentially raising the heat index by 15 Fahrenheit (8 Celsius) degrees. Heat index values are extremely significant for children. Children frequently do not comprehend the need for rest and hydration. Thirst is an advanced stage of dehydration - staying hydrated, especially during extended physical exercises, is essential.
Sweat evaporation plays a crucial role in cooling the human body, a process enabled by perspiration. With higher relative humidity, the rate of evaporation is reduced, resulting in increased heat retention in the body compared to drier air. Overheating risks increase with rising body temperatures, especially if heat release isn't efficient.
Humidity
In State Line, the average relative humidity in September is 75%.Rainfall
In State Line, in September, during 14.8 rainfall days, 2.32" (59mm) of precipitation is typically accumulated. Throughout the year, there are 163.4 rainfall days, and 31.06" (789mm) of precipitation is accumulated.Snowfall
April through November are months without snowfall.Daylight
In State Line, the average length of the day in September is 12h and 21min.On the first day of September in State Line, Mississippi, sunrise is at 6:30 am and sunset at 7:17 pm. On the last day of the month, sunrise is at 6:47 am and sunset at 6:39 pm CDT.
Sunshine
In State Line, the average sunshine in September is 9h.UV index
The average daily maximum UV index in September is 5. A UV Index estimate of 3 to 5 represents a medium health hazard from unsafe exposure to UV radiation for the ordinary person.Note: The average daily UV index of 5 in September transforms into the following instructions:
Heed the precautions - Suggestions to avoid sunburn are made. The solar radiation around mid-day is intense; avoid the Sun and stay safe. In the presence of strong sunlight, it's crucial to wear sunglasses that ward off UVA and UVB rays.
Frequently asked questions
How hot does it get in State Line in September?
What is the average humidity in September in State Line?
How much does it rain in State Line in September?
When it does not snow in State Line?
What is the average length of the day in September in State Line?
When is the sunrise / sunset in September in State Line?
How many hours of sunshine does State Line have in September?
How high is the UV index in September in State Line?
Average temperature in September
State Line, MS
- Average high temperature in September: 88°F
The warmest month (with the highest average high temperature) is July (92.5°F).
The month with the lowest average high temperature is January (56.1°F).
- Average low temperature in September: 67.5°F
The months with the highest average low temperature are July and August (72.1°F).
The coldest month (with the lowest average low temperature) is January (38.5°F).
Average pressure in September
State Line, MS
- Average pressure in September: 29.98"Hg
The month with the highest atmospheric pressure is January (30.17"Hg).
The month with the lowest atmospheric pressure is June (29.96"Hg).
Average wind speed in September
State Line, MS
- Average wind speed in September: 4.7mph
The windiest month (with the highest average wind speed) is April (6.5mph).
The calmest month (with the lowest average wind speed) is July (4.3mph).
Average humidity in September
State Line, MS
- Average humidity in September: 75%
The month with the highest relative humidity is December (82%).
The month with the lowest relative humidity is October (71%).
Average rainfall in September
State Line, MS
- Average rainfall in September: 2.32"
The wettest month (with the highest rainfall) is July (3.62").
The driest month (with the least rainfall) is November (1.61").
Average rainfall days in September
State Line, MS
- Average rainfall days in September: 14.8 days
The month with the highest number of rainy days is July (22.3 days).
The month with the least rainy days is November (7.5 days).
Average snowfall in September
State Line, MS
- Average snowfall in September: 0"
The month with the highest snowfall is December (0.31").
The months with the least snowfall are April, May, June, July, August, September, October and November (0").
Average snowfall days in September
State Line, MS
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is January (0.8 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
State Line, MS
- Average daylight in September: 12h and 2min
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 0min
The month with the most sunshine is June (Average sunshine: 10h and 36min).
The months with the least sunshine are February and December (Average sunshine: 4h and 54min).
Average sunshine days in September
State Line, MS
- Average sunshine days in September: 13.5 days
The month with the most sunshine days is November (20.8 days).
The month with the least sunshine days is July (7.2 days).
Average UV index in September
State Line, MS
- Average UV index in September: 5
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
State Line, MS
- Average cloud cover in September: 33
The months with the most cloud cover are February and December (Cloud cover 50).
The month with the least cloud cover is October (Cloud cover 31).
Average visibility in September
State Line, MS
- Average visibility in September: 5mi
The months with the highest visibility are June, October and November (6mi).
The months with the lowest visibility are January, February, March, April, May, July, August, September and December (5mi).
State Line, Mississippi, USA
Weather forecast for your location
2. Allow the app to use your location
