September weather forecastTie Plant, MS
September
Weather in September
The first month of the autumn, September, is still a hot month in Tie Plant, Mississippi, with an average temperature varying between 86°F (30°C) and 66°F (18.9°C).Temperature
September's presence marks an average high-temperature of a still hot 86°F (30°C), subtly varied from August's 90.3°F (32.4°C). Throughout September, Tie Plant's nights cool down to an average of 66°F (18.9°C).Heat index
During September, the heat index is computed to be a torrid 96.8°F (36°C). Take more preventive steps, risk of heat exhaustion and heat cramps is elevated. Long activity may culminate in heatstroke.Heat index values are typically calculated for conditions of shade and a light breeze. Direct sunlight has the potential to heighten 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. One's perception of weather can be shaped by other factors, involving metabolic differences, pregnancy, and physical exertion. 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 largely significant for babies and toddlers. Young ones often do not realize the necessity to rest and replenish their fluids. Thirst is a delayed indication of dehydration - keeping hydrated, particularly in prolonged physical activity, is crucial.
When temperatures rise, the human body turns to perspiration, using the cooling power of evaporating sweat. Under high air temperature coupled with high humidity (high heat index), the body's perspiration is reduced, intensifying the sensation of heat. When heat gain exceeds the level the body can remove, body temperature begins to rise, and heat-related illnesses and disorders may develop.
Humidity
In September, the average relative humidity is 72%.Rainfall
In Tie Plant, Mississippi, during September, the rain falls for 14.7 days and regularly aggregates up to 2.32" (59mm) of precipitation. In Tie Plant, during the entire year, the rain falls for 170.7 days and collects up to 40.39" (1026mm) of precipitation.Snowfall
In Tie Plant, snow does not fall in April through October.Daylight
In September, the average length of the day is 12h and 22min.On the first day of September, sunrise is at 6:33 am and sunset at 7:24 pm. On the last day of the month, sunrise is at 6:53 am and sunset at 6:44 pm CDT.
Sunshine
The average sunshine in September is 9.6h.UV index
In September, the average daily maximum UV index is 6. A UV Index value of 6 to 7 symbolizes a high health vulnerability from exposure to the Sun's UV rays for the ordinary person.Note: The maximum UV index, 6 during September, leads to the following recommendations:
Use protective steps and abide by sun safety guidelines. Safeguarding against skin and eye harm is necessary. Avoid direct exposure to the Sun between 10 a.m. and 4 p.m., the peak period for UV radiation, noting that objects like parasols or canopies might not offer complete sun protection. For minimizing sun-related eye damage, always choose sunglasses with UVA and UVB coverage.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Tie Plant, MS
- Average high temperature in September: 86°F
The warmest month (with the highest average high temperature) is July (91°F).
The month with the lowest average high temperature is January (50.9°F).
- Average low temperature in September: 66°F
The month with the highest average low temperature is July (71.8°F).
The coldest month (with the lowest average low temperature) is January (36°F).
Average pressure in September
Tie Plant, 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 (29.96"Hg).
Average wind speed in September
Tie Plant, MS
- Average wind speed in September: 5.3mph
The windiest months (with the highest average wind speed) are February and April (7.5mph).
The calmest month (with the lowest average wind speed) is August (4.8mph).
Average humidity in September
Tie Plant, MS
- Average humidity in September: 72%
The month with the highest relative humidity is December (80%).
The month with the lowest relative humidity is October (70%).
Average rainfall in September
Tie Plant, MS
- Average rainfall in September: 2.32"
The wettest month (with the highest rainfall) is February (4.25").
The driest month (with the least rainfall) is November (2.28").
Average rainfall days in September
Tie Plant, MS
- Average rainfall days in September: 14.7 days
The month with the highest number of rainy days is July (19.1 days).
The month with the least rainy days is November (9.8 days).
Average snowfall in September
Tie Plant, MS
- Average snowfall in September: 0"
The month with the highest snowfall is January (0.39").
The months with the least snowfall are April, May, June, July, August, September and October (0").
Average snowfall days in September
Tie Plant, MS
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is February (1.6 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
Tie Plant, MS
- Average daylight in September: 12h and 24min
The month with the longest days is June (Average daylight: 14h and 24min).
The month with the shortest days is December (Average daylight: 10h and 0min).
- Average sunshine in September: 9h and 36min
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 48min).
Average sunshine days in September
Tie Plant, MS
- Average sunshine days in September: 14 days
The month with the most sunshine days is October (19.7 days).
The month with the least sunshine days is July (9.7 days).
Average UV index in September
Tie Plant, 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, February, November and December (UV index 3).
Average cloud cover in September
Tie Plant, MS
- Average cloud cover in September: 27
The month with the most cloud cover is February (Cloud cover 48).
The months with the least cloud cover are June and September (Cloud cover 27).
Average visibility in September
Tie Plant, 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).





