September weather forecastVaughan, MS
September
Weather in September
The first month of the autumn, September, is still a hot month in Vaughan, Mississippi, with temperature in the range of an average high of 86.9°F (30.5°C) and an average low of 67.1°F (19.5°C).Temperature
The shift into September uncovers an average high-temperature of a still tropical 86.9°F (30.5°C), subtly different from the previous month. The month of September records an average low-temperature of 67.1°F (19.5°C).Heat index
For most parts of September, the heat index is evaluated at a fiery hot 98.6°F (37°C). Implement additional safety measures to avoid heat cramps and heat exhaustion. Persistent activity might trigger heatstroke.In reference to the heat index, it's for places in shade and with a slight wind. If directly exposed to the sun, the heat index could rise by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'real feel' or 'apparent temperature', arises from combining readings of air temperature and relative moisture content. The influence of weather is personal, with varied individuals experiencing it differently due to differences in body mass, stature, and physical exertion levels. When in direct sunlight, one should be cautious as it can raise the heat index by as much as 15 Fahrenheit (8 Celsius) degrees. Heat index values are especially crucial for babies and toddlers. Children frequently do not understand the need for recuperation and hydration. Thirst, being a late manifestation of dehydration, underlines the need to hydrate frequently, especially when engaging in prolonged physical exercises.
Sweat evaporation plays a crucial role in cooling the human body, a process enabled by perspiration. In the presence of abundant moisture in the atmosphere, the cooling process through evaporation is hindered, causing the body to feel excessively warm. When body temperature rises due to excess heat gain beyond its removal capability, one might experience heat-related disorders.
Humidity
The average relative humidity in September is 72%.Rainfall
In Vaughan, during September, the rain falls for 12.5 days and regularly aggregates up to 2.91" (74mm) of precipitation. Throughout the year, there are 166.4 rainfall days, and 40.55" (1030mm) of precipitation is accumulated.Snowfall
In Vaughan, Mississippi, snow does not fall in April through November.Daylight
In Vaughan, the average length of the day in September is 12h and 22min.On the first day of September in Vaughan, sunrise is at 6:35 am and sunset at 7:24 pm. On the last day of the month, sunrise is at 6:54 am and sunset at 6:45 pm CDT.
Sunshine
In September, the average sunshine is 9.7h.UV index
In Vaughan, the average daily maximum UV index in September is 6. A UV Index estimate of 6 to 7 represents a high health risk from unsafe exposure to UV radiation for ordinary individuals.Note: The maximum daily UV index, 6 in September, converts into the following recommendations:
Act on precautions and pay attention to sun safety recommendations. Avoidance of sunburn is obligatory. Avoid direct Sun exposure from 10 a.m. to 4 p.m., a period when UV radiation is most intense, and remember that not all shade structures provide full protection. Outfit yourself in sun-safe attire, like long sleeves, pants, a hat, and UV-blocking sunglasses.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Vaughan, MS
- Average high temperature in September: 86.9°F
The warmest months (with the highest average high temperature) are July and August (91.2°F).
The month with the lowest average high temperature is January (53.2°F).
- Average low temperature in September: 67.1°F
The month with the highest average low temperature is July (72.1°F).
The coldest month (with the lowest average low temperature) is January (37.9°F).
Average pressure in September
Vaughan, 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
Vaughan, MS
- Average wind speed in September: 5.4mph
The windiest month (with the highest average wind speed) is February (8.2mph).
The calmest months (with the lowest average wind speed) are July and August (5.2mph).
Average humidity in September
Vaughan, MS
- Average humidity in September: 72%
The months with the highest relative humidity are February and December (80%).
The month with the lowest relative humidity is October (69%).
Average rainfall in September
Vaughan, MS
- Average rainfall in September: 2.91"
The wettest month (with the highest rainfall) is April (4.45").
The driest month (with the least rainfall) is November (2.48").
Average rainfall days in September
Vaughan, MS
- Average rainfall days in September: 12.5 days
The month with the highest number of rainy days is July (19.3 days).
The months with the least rainy days are October and November (9.3 days).
Average snowfall in September
Vaughan, MS
- Average snowfall in September: 0"
The month with the highest snowfall is January (0.51").
The months with the least snowfall are April, May, June, July, August, September, October and November (0").
Average snowfall days in September
Vaughan, MS
- Average snowfall days in September: 0 days
The months with the highest number of snowfall days are January and February (1 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
Vaughan, 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 42min
The month with the most sunshine is June (Average sunshine: 10h and 36min).
The month with the least sunshine is February (Average sunshine: 4h and 48min).
Average sunshine days in September
Vaughan, MS
- Average sunshine days in September: 14.5 days
The month with the most sunshine days is October (20 days).
The month with the least sunshine days is July (9.9 days).
Average UV index in September
Vaughan, MS
- Average UV index in September: 6
The months with the highest UV index are June and July (UV index 7).
The months with the lowest UV index are January and December (UV index 3).
Average cloud cover in September
Vaughan, MS
- Average cloud cover in September: 28
The month with the most cloud cover is February (Cloud cover 48).
The months with the least cloud cover are September and October (Cloud cover 28).
Average visibility in September
Vaughan, 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).





