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
September's weather records an average high-temperature of a still warm 78.1°F (25.6°C), showing little deviation from August. Piney Flats observes a distinct decrease from peak daytime temperatures, with an average low-temperature of 54.9°F (12.7°C) throughout the month of September.Humidity
In Piney Flats, the average relative humidity in September is 76%.Rainfall
September is the month with the least rainfall. Rain falls for 13 days and accumulates 1.18" (30mm) of precipitation.Snowfall
In Piney Flats, snow does not fall in May through September.Daylight
The average length of the day in September in Piney Flats is 12h and 24min.On the first day of September in Piney Flats, sunrise is at 7:01 am and sunset at 7:56 pm. On the last day of the month, sunrise is at 7:24 am and sunset at 7:13 pm EDT.
Sunshine
In September, the average sunshine is 8.7h.UV index
In September, the average daily maximum UV index is 4. A UV Index reading of 3 to 5 represents a medium health hazard from exposure to the Sun's UV rays for the ordinary person.Note: The maximum UV index of 4 during September translates into these guidelines:
Undertake precautions - Obligation exists to protect against skin and eye damage. Being in direct Sun during midday can be harmful due to intense solar radiation; take precautions. Equip yourself with UVA and UVB-filtering sunglasses on clear, sunny days.
Frequently asked questions
What are September temperatures in Piney Flats?
What is the average humidity in September in Piney Flats?
What is the driest month in Piney Flats?
How many days does it rain in September in Piney Flats?
When it does not snow in Piney Flats?
Does it snow in Piney Flats in September?
How many hours of daylight does Piney Flats have in September?
When is the sunrise / sunset in September in Piney Flats?
How long on average sun shines in September in Piney Flats?
How high is the UV index in September in Piney Flats?
Average temperature in September
Piney Flats, TN
- Average high temperature in September: 78.1°F
The warmest month (with the highest average high temperature) is July (83.7°F).
The month with the lowest average high temperature is January (41.7°F).
- Average low temperature in September: 54.9°F
The month with the highest average low temperature is July (60.6°F).
The coldest month (with the lowest average low temperature) is January (26.4°F).
Average pressure in September
Piney Flats, 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
Piney Flats, TN
- Average wind speed in September: 4.2mph
The windiest month (with the highest average wind speed) is April (6.8mph).
The calmest month (with the lowest average wind speed) is August (3.9mph).
Average humidity in September
Piney Flats, TN
- Average humidity in September: 76%
The months with the highest relative humidity are February and December (79%).
The months with the lowest relative humidity are July, August and November (75%).
Average rainfall in September
Piney Flats, TN
- Average rainfall in September: 1.18"
The wettest month (with the highest rainfall) is February (3.03").
The driest month (with the least rainfall) is September (1.18").
Average rainfall days in September
Piney Flats, TN
- Average rainfall days in September: 13 days
The month with the highest number of rainy days is July (17 days).
The month with the least rainy days is November (9.3 days).
Average snowfall in September
Piney Flats, TN
- Average snowfall in September: 0"
The month with the highest snowfall is December (2.91").
The months with the least snowfall are May, June, July, August and September (0").
Average snowfall days in September
Piney Flats, TN
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is January (7.2 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in September /
Average sunshine in September
Piney Flats, 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 54min).
Average sunshine days in September
Piney Flats, TN
- Average sunshine days in September: 14.1 days
The month with the most sunshine days is October (18.8 days).
The month with the least sunshine days is July (11 days).
Average UV index in September
Piney Flats, TN
- Average UV index in September: 4
The months with the highest UV index are 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
Piney Flats, TN
- Average cloud cover in September: 32
The month with the most cloud cover is February (Cloud cover 52).
The month with the least cloud cover is August (Cloud cover 30).
Average visibility in September
Piney Flats, TN
- Average visibility in September: 5mi
The months with the highest visibility are April, July, October and November (6mi).
The months with the lowest visibility are January, February, March, May, June, August, September and December (5mi).
Piney Flats, Tennessee, USA
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