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 dawn of September sees an average high-temperature of a still warm 80.2°F (26.8°C), subtly contrasting with August's 85.3°F (29.6°C). Nelsontown's nighttime temperatures in September reflect a stark contrast to the day's highs, falling to an average low of 56.3°F (13.5°C).Humidity
The months with the lowest humidity are July through September and November, with an average relative humidity of 74%.Rainfall
September is the month with the least rainfall. Rain falls for 11.3 days and accumulates 0.98" (25mm) of precipitation.Snowfall
In Nelsontown, snow does not fall in May through October.Daylight
In Nelsontown, the average length of the day in September is 12h and 24min.On the first day of September in Nelsontown, sunrise is at 7:02 am and sunset at 7:57 pm. On the last day of the month, sunrise is at 7:25 am and sunset at 7:14 pm EDT.
Sunshine
In September, the average sunshine in Nelsontown, Tennessee, is 8.7h.UV index
The average daily maximum UV index in September in Nelsontown is 5. A UV Index reading of 3 to 5 represents a moderate threat to health from exposure to the Sun's UV radiation for average individuals.Note: The UV index of 5 during September leads to these advisories:
Ensure safety - Sun damage prevention is strongly urged. Sun's radiation is most powerful around mid-day, so it's best to limit outdoor activities during this time. Employ a hat with a wide brim for robust protection, cutting UV exposure by half.
Frequently asked questions
What is the average September temperature in Nelsontown?
What are the least humid months in Nelsontown?
What is the average humidity in September in Nelsontown?
What is the driest month in Nelsontown?
How many days does it rain in September in Nelsontown?
When it does not snow in Nelsontown?
What is the average length of the day in September in Nelsontown?
What time are sunrise and sunset in September in Nelsontown?
How many hours of sunshine does Nelsontown have in September?
What is the UV index reading in September in Nelsontown?
Average temperature in September
Nelsontown, TN
- Average high temperature in September: 80.2°F
The warmest month (with the highest average high temperature) is July (85.8°F).
The month with the lowest average high temperature is January (42.4°F).
- Average low temperature in September: 56.3°F
The month with the highest average low temperature is July (62.2°F).
The coldest month (with the lowest average low temperature) is January (27.1°F).
Average pressure in September
Nelsontown, TN
- Average pressure in September: 30.06"Hg
The month with the highest atmospheric pressure is November (30.16"Hg).
The month with the lowest atmospheric pressure is June (29.99"Hg).
Average wind speed in September
Nelsontown, TN
- Average wind speed in September: 4.1mph
The windiest month (with the highest average wind speed) is April (6.5mph).
The calmest month (with the lowest average wind speed) is August (3.8mph).
Average humidity in September
Nelsontown, TN
- Average humidity in September: 74%
The month with the highest relative humidity is February (79%).
The months with the lowest relative humidity are July, August, September and November (74%).
Average rainfall in September
Nelsontown, TN
- Average rainfall in September: 0.98"
The wettest month (with the highest rainfall) is February (3.03").
The driest month (with the least rainfall) is September (0.98").
Average rainfall days in September
Nelsontown, TN
- Average rainfall days in September: 11.3 days
The month with the highest number of rainy days is July (15.9 days).
The month with the least rainy days is November (8 days).
Average snowfall in September
Nelsontown, TN
- Average snowfall in September: 0"
The month with the highest snowfall is January (1.57").
The months with the least snowfall are May, June, July, August, September and October (0").
Average snowfall days in September
Nelsontown, TN
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is January (5.2 days).
The months with the least snowfall days are May, June, July, August, September and October (0 days).
Average daylight in September /
Average sunshine in September
Nelsontown, 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 4min
The month with the most sunshine is June (Average sunshine: 10h and 36min).
The month with the least sunshine is January (Average sunshine: 4h and 48min).
Average sunshine days in September
Nelsontown, TN
- Average sunshine days in September: 15.8 days
The month with the most sunshine days is October (20.5 days).
The month with the least sunshine days is July (11.9 days).
Average UV index in September
Nelsontown, 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
Nelsontown, TN
- Average cloud cover in September: 30
The month with the most cloud cover is February (Cloud cover 52).
The month with the least cloud cover is August (Cloud cover 28).
Average visibility in September
Nelsontown, TN
- Average visibility in September: 6mi
The months with the highest visibility are March, April, May, June, July, August, September, October, November and December (6mi).
The months with the lowest visibility are January and February (5mi).
Nelsontown, Tennessee, USA
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