September weather forecastVonore, TN
September
Weather in September
September, the first month of the autumn in Vonore, is still a warm month, with an average temperature varying between 59.5°F (15.3°C) and 81°F (27.2°C).Temperature
The arrival of September suggests a slight decrease in the average high-temperature, moving from a hot 86.5°F (30.3°C) in August to a warm 81°F (27.2°C). Throughout the month of September, Vonore sees a steady low-temperature average of 59.5°F (15.3°C).Heat index
The heat index value during September is evaluated at a tropical 86°F (30°C). Extended exposure and activity might lead to tiredness, potentially resulting in heat cramps.Records show heat index calculations are tailored for shaded regions and mild winds. When exposed to the direct sun, the heat index may augment by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'apparent temperature' or 'feels like', offers an insight into how hot it feels when we factor in moisture content. The experience of temperature can be subjective, varying based on the individual's activity and heat perception, influenced by factors like wind, attire, and metabolic variations. It is noteworthy that being in direct sunlight can enhance the weather's impact, raising the heat index by as much as 15 Fahrenheit (8 Celsius) degrees. Heat index values are extremely vital to babies and toddlers. Children often miss understanding the importance of rest and rehydration. Thirst usually appears late during dehydration - therefore, maintaining hydration, particularly during long physical activities, is essential.
Humidity
In September, the average relative humidity in Vonore is 75%.Rainfall
The month with the least rainfall is September, when the rain falls for 12 days and typically collects 1.69" (43mm) of precipitation.Snowfall
In Vonore, snow does not fall in May through October.Daylight
In September, the average length of the day is 12h and 23min.On the first day of the month, sunrise is at 7:09 am and sunset at 8:03 pm. On the last day of September, sunrise is at 7:31 am and sunset at 7:21 pm EDT.
Sunshine
In Vonore, the average sunshine in September is 8.7h.UV index
In Vonore, the average daily maximum UV index in September is 5. A UV Index of 3 to 5 symbolizes a medium vulnerability from exposure to the Sun's UV radiation for average individuals.Note: In September, the UV index of 5 transforms into the following advice:
Make use of precautions - Suggestions to resist sunburn are communicated. For skin protection, it's recommended to minimize Sun exposure during its peak hours around midday. During bright days, sunglasses that offer UVA and UVB defense are recommended.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Vonore, TN
- Average high temperature in September: 81°F
The warmest month (with the highest average high temperature) is July (87.3°F).
The month with the lowest average high temperature is January (45°F).
- Average low temperature in September: 59.5°F
The month with the highest average low temperature is July (65.5°F).
The coldest month (with the lowest average low temperature) is January (30°F).
Average pressure in September
Vonore, TN
- Average pressure in September: 30.04"Hg
The months with the highest atmospheric pressure are January and November (30.16"Hg).
The month with the lowest atmospheric pressure is June (29.98"Hg).
Average wind speed in September
Vonore, TN
- Average wind speed in September: 3.9mph
The windiest month (with the highest average wind speed) is April (6.2mph).
The calmest month (with the lowest average wind speed) is August (3.7mph).
Average humidity in September
Vonore, TN
- Average humidity in September: 75%
The month with the highest relative humidity is December (79%).
The month with the lowest relative humidity is August (74%).
Average rainfall in September
Vonore, TN
- Average rainfall in September: 1.69"
The wettest month (with the highest rainfall) is July (3.7").
The driest month (with the least rainfall) is September (1.69").
Average rainfall days in September
Vonore, TN
- Average rainfall days in September: 12 days
The month with the highest number of rainy days is July (18.3 days).
The month with the least rainy days is November (9.6 days).
Average snowfall in September
Vonore, TN
- Average snowfall in September: 0"
The month with the highest snowfall is February (0.91").
The months with the least snowfall are May, June, July, August, September and October (0").
Average snowfall days in September
Vonore, TN
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is January (4.7 days).
The months with the least snowfall days are May, June, July, August and September (0 days).
Average daylight in September /
Average sunshine in September
Vonore, TN
- 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 48min).
- Average sunshine in September: 8h and 42min
The month with the most sunshine is June (Average sunshine: 10h and 42min).
The month with the least sunshine is January (Average sunshine: 5h and 6min).
Average sunshine days in September
Vonore, TN
- Average sunshine days in September: 15.6 days
The month with the most sunshine days is November (18.7 days).
The month with the least sunshine days is July (10.5 days).
Average UV index in September
Vonore, TN
- Average UV index in September: 5
The months with the highest UV index are May, June, July and August (UV index 6).
The months with the lowest UV index are January, February and December (UV index 2).
Average cloud cover in September
Vonore, TN
- Average cloud cover in September: 29
The month with the most cloud cover is February (Cloud cover 51).
The months with the least cloud cover are June and August (Cloud cover 28).
Average visibility in September
Vonore, TN
- Average visibility in September: 6mi
The months with the highest visibility are February, April, May, June, July, August, September, October, November and December (6mi).
The months with the lowest visibility are January and March (5mi).





