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
Acuff's weather subtly changes with the onset of September, barely falling from a hot 86.5°F (30.3°C) in August to a moderately hot 80.6°F (27°C). Acuff experiences a drastic reduction from day temperatures to an average low of 58.5°F (14.7°C) in September.Heat index
The heat index value during September is evaluated at 84.2°F (29°C). Persisting in activity during long-term exposure might induce weariness, with subsequent heat cramps.For clarity, heat index numbers account for light winds and areas under shade. The heat index might be elevated by 15 Fahrenheit (8 Celsius) degrees due to direct sun exposure.
Note: The heat index, also known as 'felt air temperature' or 'feels like', is a numerical representation of warmth when taking temperature and moisture levels into account. An individual's temperature experience can be influenced by extra factors, including metabolic differences, activity levels, and clothing. When exposed to direct sunlight, it's possible for the heat index to increase by as much as 15 Fahrenheit (8 Celsius) degrees. Heat index values are especially crucial for babies and toddlers. Young ones often ignore the need to take a break and drink fluids. Thirst is a late-stage symptom of dehydration - hence, maintaining hydration, particularly during extended physical activities, is crucial.
Humidity
In September, the average relative humidity in Acuff is 74%.Rainfall
The month with the least rainfall is September, when the rain falls for 12.3 days and typically collects 1.42" (36mm) of precipitation.Snowfall
May through September are months without snowfall.Daylight
In Acuff, the average length of the day in September is 12h and 24min.On the first day of the month, sunrise is at 7:06 am and sunset at 8:02 pm. On the last day of September, sunrise is at 7:29 am and sunset at 7:19 pm EDT.
Sunshine
In Acuff, the average sunshine in September is 8.8h.UV index
In September, the average daily maximum UV index in Acuff is 5. A UV Index of 3 to 5 symbolizes a medium health hazard from unprotected exposure to Sun's UV rays for ordinary individuals.Note: In September, the maximum UV index of 5 suggests this advice:
Act with care - The suggestion to avoid sunburn is emphasized. Avoiding the Sun's peak radiation during midday hours is essential for health and safety. Sunglasses providing both UVA and UVB protection are non-negotiable on sunlit days.
Frequently asked questions
What is the average September temperature in Acuff?
What is the average humidity in September in Acuff?
What is the driest month in Acuff?
How much does it rain in Acuff in September?
When it does not snow in Acuff?
Does it snow in Acuff in September?
How many hours of daylight does Acuff have in September?
What time are sunrise and sunset in September in Acuff?
How many hours of sunshine does Acuff have in September?
How high is the UV index in September in Acuff?
Average temperature in September
Acuff, TN
- Average high temperature in September: 80.6°F
The warmest month (with the highest average high temperature) is July (87.4°F).
The month with the lowest average high temperature is January (43.9°F).
- Average low temperature in September: 58.5°F
The month with the highest average low temperature is July (64.8°F).
The coldest month (with the lowest average low temperature) is January (28.8°F).
Average pressure in September
Acuff, 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
Acuff, TN
- Average wind speed in September: 3.7mph
The windiest month (with the highest average wind speed) is April (6mph).
The calmest month (with the lowest average wind speed) is August (3.6mph).
Average humidity in September
Acuff, TN
- Average humidity in September: 74%
The months with the highest relative humidity are February and December (79%).
The month with the lowest relative humidity is August (73%).
Average rainfall in September
Acuff, TN
- Average rainfall in September: 1.42"
The wettest month (with the highest rainfall) is February (3.31").
The driest month (with the least rainfall) is September (1.42").
Average rainfall days in September
Acuff, TN
- Average rainfall days in September: 12.3 days
The month with the highest number of rainy days is July (16.8 days).
The month with the least rainy days is November (8.8 days).
Average snowfall in September
Acuff, TN
- Average snowfall in September: 0"
The month with the highest snowfall is February (1.42").
The months with the least snowfall are May, June, July, August and September (0").
Average snowfall days in September
Acuff, TN
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is February (3.6 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
Acuff, 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 42min).
- Average sunshine in September: 8h and 5min
The month with the most sunshine is June (Average sunshine: 10h and 48min).
The month with the least sunshine is January (Average sunshine: 5h and 0min).
Average sunshine days in September
Acuff, TN
- Average sunshine days in September: 16.6 days
The month with the most sunshine days is November (19.9 days).
The month with the least sunshine days is July (11.6 days).
Average UV index in September
Acuff, 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
Acuff, 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 27).
Average visibility in September
Acuff, TN
- Average visibility in September: 6mi
The months with the highest visibility are April, May, June, July, August, September, October, November and December (6mi).
The months with the lowest visibility are January, February and March (5mi).
Acuff, Tennessee, USA
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