Contents
- Weather in September
- Frequently asked questions
- Average temperature in September
- Average pressure in September
- Average wind speed in September
- Average humidity in September
- Average rainfall in September
- Average rainfall days in September
- Average snowfall in September
- Average snowfall days in September
- Average daylight in September
- Average sunshine in September
- Average sunshine days in September
- Average UV index in September
- Average cloud cover in September
- Average visibility in September
Weather in September
Temperature
The average high-temperature slightly decreases in September, shifting from a tropical 86.4°F (30.2°C) in August to a moderately hot 81°F (27.2°C). During the September nights, an average temperature of 61°F (16.1°C) is observed.Heat index
During September, the heat index is estimated at a hot 86°F (30°C). Uninterrupted exposure and activity might result in fatigue, potentially causing heat cramps.Factoring in the heat index, values are geared towards shaded areas with light breezes. Direct sunshine exposure could raise heat index values by as much as 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'apparent temperature' or 'real feel', takes into account both air temperature and humidity to illustrate what people actually feel. The impact of weather is personal, differing among a variety of people based on differences in body mass, height, and the level of physical exertion. It is essential to be conscious of the fact that direct sunlight can intensify the felt heat, leading to an elevation in the heat index by 15 Fahrenheit (8 Celsius) degrees. Heat index values are particularly relevant to children. Kids frequently ignore the importance of taking a break and rehydrating. Thirst is a late symptom of dehydration - thus, it is crucial to stay hydrated, especially during long-lasting physical activities.
Humidity
The average relative humidity in September is 76%.Rainfall
September is the month with the least rainfall. Rain falls for 13.9 days and accumulates 2.28" (58mm) of precipitation.Snowfall
In Brysonville, snow does not fall in May through October.Daylight
In Brysonville, the average length of the day in September is 12h and 23min.On the first day of the month, sunrise is at 6:16 am and sunset at 7:11 pm. On the last day of September, sunrise is at 6:39 am and sunset at 6:29 pm CDT.
Sunshine
In September, the average sunshine is 8.5h.UV index
In Brysonville, the average daily maximum UV index in September is 5. A UV Index reading of 3 to 5 represents a moderate health risk from unsafe exposure to UV radiation for average individuals.Note: The UV index of 5 during September translates into the following guidance:
Act with care - The suggestion to avoid sunburn is emphasized. Direct exposure to the Sun's intense radiation around midday should be avoided for health reasons. It's wise to wear UVA and UVB-blocking sunglasses when the sun shines brightly.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What are September temperatures?
What is the average humidity in September?
What is the driest month?
How much does it rain in September?
When it does not snow?
What is the average length of the day in September?
What time are sunrise and sunset in September?
How long on average sun shines in September?
What is the UV index reading in September in Brysonville?
Average temperature in September
Brysonville, TN
- Average high temperature in September: 81°F
The warmest month (with the highest average high temperature) is July (87.1°F).
The month with the lowest average high temperature is January (44.8°F).
- Average low temperature in September: 61°F
The month with the highest average low temperature is July (66.9°F).
The coldest month (with the lowest average low temperature) is January (30.4°F).
Average pressure in September
Brysonville, TN
- Average pressure in September: 30.03"Hg
The month with the highest atmospheric pressure is January (30.17"Hg).
The month with the lowest atmospheric pressure is June (29.97"Hg).
Average wind speed in September
Brysonville, TN
- Average wind speed in September: 4.6mph
The windiest month (with the highest average wind speed) is February (7.6mph).
The calmest months (with the lowest average wind speed) are July and August (4.3mph).
Average humidity in September
Brysonville, TN
- Average humidity in September: 76%
The month with the highest relative humidity is December (80%).
The months with the lowest relative humidity are October and November (75%).
Average rainfall in September
Brysonville, TN
- Average rainfall in September: 2.28"
The wettest months (with the highest rainfall) are February and July (4.45").
The driest month (with the least rainfall) is September (2.28").
Average rainfall days in September
Brysonville, TN
- Average rainfall days in September: 13.9 days
The month with the highest number of rainy days is July (19.5 days).
The month with the least rainy days is November (9.6 days).
Average snowfall in September
Brysonville, TN
- Average snowfall in September: 0"
The month with the highest snowfall is January (1.14").
The months with the least snowfall are May, June, July, August, September and October (0").
Average snowfall days in September
Brysonville, TN
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is January (4.2 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
Brysonville, TN
- Average daylight in September: 12h and 2min
The month with the longest days is June (Average daylight: 14h and 36min).
The month with the shortest days is December (Average daylight: 9h and 48min).
- Average sunshine in September: 8h and 3min
The month with the most sunshine is June (Average sunshine: 10h and 30min).
The month with the least sunshine is February (Average sunshine: 4h and 24min).
Average sunshine days in September
Brysonville, TN
- Average sunshine days in September: 14.7 days
The month with the most sunshine days is November (18.4 days).
The month with the least sunshine days is July (9.9 days).
Average UV index in September
Brysonville, 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
Brysonville, TN
- Average cloud cover in September: 32
The month with the most cloud cover is February (Cloud cover 54).
The month with the least cloud cover is June (Cloud cover 30).
Average visibility in September
Brysonville, TN
- Average visibility in September: 6mi
The months with the highest visibility are February, April, June, August, September, October, November and December (6mi).
The months with the lowest visibility are January, March, May and July (5mi).
Brysonville, Tennessee, USA
Weather forecast for your location
2. Allow the app to use your location