September weather forecastWinterville, MS
September
Weather in September
September, the first month of the autumn in Winterville, is still a tropical month, with an average temperature varying between 86.2°F (30.1°C) and 67.3°F (19.6°C).Temperature
The start of September marks an average high-temperature of a still hot 86.2°F (30.1°C), hardly distinguishable from the conditions in August. Winterville's average low-temperature for the month of September records at an enjoyable 67.3°F (19.6°C).Heat index
The average heat index in September is evaluated at a fiery hot 96.8°F (36°C). Implement additional cautionary measures, heat cramps and heat exhaustion could occur. Prolonged activity might induce heatstroke.Research indicates the heat index considers values in shaded locales and with light winds. Exposure to unobstructed sunshine could lead to an increase in the heat index by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'apparent temperature' or 'feels like', measures the perceived warmth when incorporating the humidity present in the air. The impression of weather on a person can be swayed by additional aspects, including metabolic variations, pregnancy, and activity levels. Remember, direct sunlight exposure can heighten the heat impact and might increase the heat index by 15 Fahrenheit (8 Celsius) degrees. Heat index values are primarily vital for children. Young ones often disregard the necessity to rest and hydrate. Thirst usually indicates advanced dehydration - hence, it is key to stay hydrated, particularly during ongoing physical activities.
The body's inherent cooling system operates through perspiration, wherein evaporating sweat offsets excessive heat. With high air temperature and humidity (high heat index) conditions, sweat production is restricted, leading to an amplified perception of heat. Inadequate heat shedding in the face of rising body temperatures hints at potential dehydration risks.
Humidity
In Winterville, the average relative humidity in September is 71%.Rainfall
September is the month with the least rainfall. Rain falls for 9.6 days and accumulates 0.71" (18mm) of precipitation.Snowfall
In Winterville, snow does not fall in March through December.Daylight
The average length of the day in September is 12h and 22min.On the first day of the month, sunrise is at 6:38 am and sunset at 7:29 pm. On the last day of September, sunrise is at 6:58 am and sunset at 6:49 pm CDT.
Sunshine
In September, the average sunshine is 9.9h.UV index
In September, the average daily maximum UV index is 6. A UV Index of 6 to 7 symbolizes a high health risk from exposure to the Sun's UV rays for the average person.Note: The maximum UV index, 6 during September, leads to the following recommendations:
Fend off overexposure. Sun protection is vital. Stay in the shade and avoid direct Sun exposure from 10 a.m. to 4 p.m., a period when UV radiation is particularly strong, noting that parasols or canopies may not offer total sun protection. Wearing sunglasses with both UVA and UVB protection effectively reduces sun-induced eye damage.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Winterville, MS
- Average high temperature in September: 86.2°F
The warmest month (with the highest average high temperature) is July (90.3°F).
The month with the lowest average high temperature is January (51.4°F).
- Average low temperature in September: 67.3°F
The month with the highest average low temperature is July (73.6°F).
The coldest month (with the lowest average low temperature) is January (37.6°F).
Average pressure in September
Winterville, MS
- Average pressure in September: 29.99"Hg
The month with the highest atmospheric pressure is January (30.17"Hg).
The month with the lowest atmospheric pressure is June (29.95"Hg).
Average wind speed in September
Winterville, MS
- Average wind speed in September: 5.9mph
The windiest month (with the highest average wind speed) is February (9.8mph).
The calmest month (with the lowest average wind speed) is August (5.5mph).
Average humidity in September
Winterville, MS
- Average humidity in September: 71%
The months with the highest relative humidity are February, March and December (78%).
The month with the lowest relative humidity is October (66%).
Average rainfall in September
Winterville, MS
- Average rainfall in September: 0.71"
The wettest month (with the highest rainfall) is April (1.97").
The driest month (with the least rainfall) is September (0.71").
Average rainfall days in September
Winterville, MS
- Average rainfall days in September: 9.6 days
The month with the highest number of rainy days is July (15.4 days).
The month with the least rainy days is October (7 days).
Average snowfall in September
Winterville, MS
- Average snowfall in September: 0"
The month with the highest snowfall is February (0.12").
The months with the least snowfall are March, April, May, June, July, August, September, October, November and December (0").
Average snowfall days in September
Winterville, MS
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is February (0.8 days).
The months with the least snowfall days are April, May, June, July, August, September and October (0 days).
Average daylight in September /
Average sunshine in September
Winterville, MS
- Average daylight in September: 12h and 24min
The month with the longest days is June (Average daylight: 14h and 18min).
The month with the shortest days is December (Average daylight: 10h and 0min).
- Average sunshine in September: 9h and 54min
The month with the most sunshine is June (Average sunshine: 10h and 42min).
The month with the least sunshine is February (Average sunshine: 4h and 42min).
Average sunshine days in September
Winterville, MS
- Average sunshine days in September: 18.1 days
The month with the most sunshine days is October (22.9 days).
The month with the least sunshine days is July (13.9 days).
Average UV index in September
Winterville, MS
- 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
Winterville, MS
- Average cloud cover in September: 27
The month with the most cloud cover is February (Cloud cover 47).
The month with the least cloud cover is June (Cloud cover 26).
Average visibility in September
Winterville, MS
- Average visibility in September: 6mi
The months with the highest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).
The months with the lowest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).





