September weather forecastSouthaven, MS
September
Weather in September
September indicates the end of summer and the beginning of autumn, bringing slightly lower temperatures and shorter days in Southaven. The UV Index declines following the reduction in daylight hours, yet sunshine dominates the daily weather patterns. With reduced humidity and cloud coverage, the perception of the city’s warmth is less overwhelming and more comforting than summer months. The declining wind speed contributes to a calm and pleasant ambiance. Transitioning to a more temperate climate, September offers temperatures between 65.8°F (18.8°C) and 84.2°F (29°C) with a moderate amount of 1.61" (41mm) of rainfall.Temperature
September's arrival brings an average high-temperature of a moderately hot 84.2°F (29°C), slightly deviating from August's 88.9°F (31.6°C). Southaven's average low-temperature for the month of September records at an enjoyable 65.8°F (18.8°C).Heat index
The heat index value during September is estimated at a tropical 91.4°F (33°C). Incorporate additional preventive steps, heat exhaustion and heat cramps are possible. Long-lasting activity may cause heatstroke.Heat index data is primarily for areas with shade and subjected to light winds. With exposure to direct sunshine, the heat index could climb by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'apparent temperature' or 'feels like', reflects the feeling of heat when considering both air temperature and humidity. The influence of weather can be personal, changing with an individual's body mass, height, and level of physical exertion. Be aware that direct exposure to sunlight increases heat impact and may raise the heat index by up to 15 Fahrenheit (8 Celsius) degrees. Heat index values are essentially critical for children. Typically, children face more danger than adults as they usually perspire less. Their larger skin surface relative to their small bodies and increased heat output from their activities enhance their risk.
Humidity
The average relative humidity in September is 71%.Rainfall
In September, the rain falls for 12.3 days. Throughout September, 1.61" (41mm) of precipitation is accumulated. Throughout the year, there are 147.4 rainfall days, and 27.76" (705mm) of precipitation is accumulated.Snowfall
April through October are months without snowfall.Daylight
The average length of the day in September is 12h and 23min.On the first day of September in Southaven, sunrise is at 6:33 am and sunset at 7:26 pm. On the last day of the month, sunrise is at 6:54 am and sunset at 6:44 pm CDT.
Sunshine
The average sunshine in September is 9.6h.UV index
In Southaven, the average daily maximum UV index in September is 5. A UV Index reading of 3 to 5 represents a medium health hazard from exposure to the Sun's UV radiation for the ordinary person.Note: The maximum UV index of 5 during September translates into these guidelines:
Exercise caution. The susceptibility of light skin individuals to burns is less than 30 minutes. The Sun is at its harshest during midday; protect yourself by staying in shaded areas and minimizing exposure. Safeguard your eyes, ears, and face from sun rays with the aid of a wide-brim hat.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Southaven, MS
- Average high temperature in September: 84.2°F
The warmest month (with the highest average high temperature) is July (89.6°F).
The month with the lowest average high temperature is January (47.3°F).
- Average low temperature in September: 65.8°F
The month with the highest average low temperature is July (72.3°F).
The coldest month (with the lowest average low temperature) is January (34°F).
Average pressure in September
Southaven, MS
- Average pressure in September: 30"Hg
The month with the highest atmospheric pressure is January (30.17"Hg).
The month with the lowest atmospheric pressure is June (29.94"Hg).
Average wind speed in September
Southaven, MS
- Average wind speed in September: 5.7mph
The windiest month (with the highest average wind speed) is February (9mph).
The calmest months (with the lowest average wind speed) are July and August (5.3mph).
Average humidity in September
Southaven, MS
- Average humidity in September: 71%
The months with the highest relative humidity are March and December (78%).
The month with the lowest relative humidity is October (69%).
Average rainfall in September
Southaven, MS
- Average rainfall in September: 1.61"
The wettest month (with the highest rainfall) is April (3.07").
The driest month (with the least rainfall) is January (1.46").
Average rainfall days in September
Southaven, MS
- Average rainfall days in September: 12.3 days
The month with the highest number of rainy days is August (16.4 days).
The month with the least rainy days is November (8.5 days).
Average snowfall in September
Southaven, MS
- Average snowfall in September: 0"
The months with the highest snowfall are January and February (0.31").
The months with the least snowfall are April, May, June, July, August, September and October (0").
Average snowfall days in September
Southaven, MS
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is January (1.5 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
Southaven, MS
- Average daylight in September: 12h and 24min
The month with the longest days is June (Average daylight: 14h and 30min).
The month with the shortest days is December (Average daylight: 9h and 54min).
- Average sunshine in September: 9h and 36min
The month with the most sunshine is July (Average sunshine: 10h and 36min).
The month with the least sunshine is February (Average sunshine: 4h and 36min).
Average sunshine days in September
Southaven, MS
- Average sunshine days in September: 15.5 days
The month with the most sunshine days is October (20.7 days).
The month with the least sunshine days is August (11.7 days).
Average UV index in September
Southaven, MS
- Average UV index in September: 5
The months with the highest UV index are June and July (UV index 7).
The months with the lowest UV index are January, February and December (UV index 3).
Average cloud cover in September
Southaven, MS
- Average cloud cover in September: 28
The month with the most cloud cover is February (Cloud cover 49).
The month with the least cloud cover is August (Cloud cover 26).
Average visibility in September
Southaven, 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).
