September weather forecastComplete, MS
September
Weather in September
The first month of the autumn, September, is still a tropical month in Complete, Mississippi, with an average temperature ranging between max 86.9°F (30.5°C) and min 67.1°F (19.5°C).Temperature
September's advent denotes a minor fluctuation in the average high-temperature to a still tropical 86.9°F (30.5°C) from August's 91.2°F (32.9°C). The average low-temperature in Complete during September nights is an enjoyable 67.1°F (19.5°C).Heat index
For September, the heat index is evaluated at a sweltering 98.6°F (37°C). Take more preventive steps, risk of heat exhaustion and heat cramps is elevated. Long activity may culminate in heatstroke.Thinking about the heat index, one should account for its values in shaded areas with gentle breezes. Direct sunlight has the potential to heighten heat index values by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'apparent temperature' or 'felt air temperature', is found by incorporating humidity levels into the air temperature measurement. Factors including metabolic differences, physical activity, and clothing are additional elements that influence the individual's temperature experience. Being aware that direct sunlight can impact the felt heat might mean an increase in the heat index by 15 Fahrenheit (8 Celsius) degrees. Heat index values remain especially vital for babies and toddlers. Children often do not understand the need to rest and hydrate. Thirst is a late manifestation of dehydration - therefore, it is essential to stay hydrated, particularly during prolonged physical activities.
One way the human body deals with excessive warmth is by perspiring and allowing sweat to evaporate. During high air temperature and humidity (high heat index), the process of perspiration is hindered, intensifying the sensation of heat. Heat absorption that surpasses the body's shedding capability can lead to overheating and varying levels of dehydration.
Humidity
In Complete, the average relative humidity in September is 74%.Rainfall
In Complete, in September, it is raining for 13.9 days, with typically 2.4" (61mm) of accumulated precipitation. In Complete, Mississippi, during the entire year, the rain falls for 158.9 days and collects up to 31.57" (802mm) of precipitation.Snowfall
In Complete, snow does not fall in March through October.Daylight
In September, the average length of the day is 12h and 22min.On the first day of the month, sunrise is at 6:30 am and sunset at 7:18 pm. On the last day of September, in Complete, sunrise is at 6:48 am and sunset at 6:40 pm CDT.
Sunshine
In September, the average sunshine in Complete, Mississippi, is 9.1h.UV index
In Complete, the average daily maximum UV index in September is 6. A UV Index reading of 6 to 7 represents a high threat to health from unprotected exposure to Sun's UV rays for average individuals.Note: The daily high UV index of 6 in September translates into this advice:
Elude overexposure. Fair-skinned people could get burnt in less than 20 minutes. Attempt to stay under shade and limit exposure to the Sun between 10 a.m. and 4 p.m., when UV radiation is at its peak. Remember, devices such as parasols or canopies might not provide complete sun protection. Arm yourself against UV rays' harm with protective apparel and UV-filtering shades.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Complete, MS
- Average high temperature in September: 86.9°F
The warmest month (with the highest average high temperature) is July (91.9°F).
The month with the lowest average high temperature is January (54.5°F).
- Average low temperature in September: 67.1°F
The months with the highest average low temperature are July and August (71.6°F).
The coldest month (with the lowest average low temperature) is January (37.9°F).
Average pressure in September
Complete, 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 (29.96"Hg).
Average wind speed in September
Complete, MS
- Average wind speed in September: 5mph
The windiest months (with the highest average wind speed) are January and February (7.5mph).
The calmest month (with the lowest average wind speed) is August (4.7mph).
Average humidity in September
Complete, MS
- Average humidity in September: 74%
The month with the highest relative humidity is December (81%).
The month with the lowest relative humidity is October (70%).
Average rainfall in September
Complete, MS
- Average rainfall in September: 2.4"
The wettest month (with the highest rainfall) is August (3.27").
The driest month (with the least rainfall) is November (1.81").
Average rainfall days in September
Complete, MS
- Average rainfall days in September: 13.9 days
The month with the highest number of rainy days is July (21 days).
The month with the least rainy days is November (8.1 days).
Average snowfall in September
Complete, MS
- Average snowfall in September: 0"
The month with the highest snowfall is December (0.39").
The months with the least snowfall are March, April, May, June, July, August, September and October (0").
Average snowfall days in September
Complete, MS
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is January (0.9 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
Complete, MS
- Average daylight in September: 12h and 24min
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 6min
The month with the most sunshine is June (Average sunshine: 10h and 36min).
The month with the least sunshine is December (Average sunshine: 4h and 48min).
Average sunshine days in September
Complete, MS
- Average sunshine days in September: 14.3 days
The month with the most sunshine days is October (20.7 days).
The month with the least sunshine days is July (8.2 days).
Average UV index in September
Complete, 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
Complete, MS
- Average cloud cover in September: 31
The months with the most cloud cover are February and December (Cloud cover 48).
The month with the least cloud cover is October (Cloud cover 29).
Average visibility in September
Complete, MS
- Average visibility in September: 5mi
The months with the highest visibility are January, February, March, April, June, August, October, November and December (6mi).
The months with the lowest visibility are May, July and September (5mi).
