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
A mild shift in the average high-temperature occurs in September, reducing from a moderately hot 82.6°F (28.1°C) in August to a still warm 77.2°F (25.1°C). Throughout the month of September, the average temperature dips to a refreshing 55.8°F (13.2°C) at night.Humidity
May, September and December, with an average relative humidity of 78%, are the most humid months.Rainfall
September is the month with the least rainfall. Rain falls for 10.1 days and accumulates 0.91" (23mm) of precipitation.Snowfall
May through October are months without snowfall.Daylight
In Biltmore Forest, the average length of the day in September is 12h and 23min.On the first day of September, sunrise is at 7:02 am and sunset at 7:56 pm. On the last day of the month, sunrise is at 7:24 am and sunset at 7:14 pm EDT.
Sunshine
In Biltmore Forest, the average sunshine in September is 8.2h.UV index
In Biltmore Forest, the average daily maximum UV index in September is 4. A UV Index value of 3 to 5 symbolizes a medium health hazard from unprotected exposure to Sun's UV rays for average individuals.Note: In September, a daily UV index of 4 turns into the following recommendations:
Preventative actions are necessary - Recommendations to ward off sunburn are given. Limiting sun exposure during midday hours helps in reducing the harmful effects of UV radiation. Experience reduced UV exposure by about half when donning a wide-brim hat.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the usual temperature for Biltmore Forest in September?
What are the most humid months?
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 in Biltmore Forest?
When are sunrise and sunset in September?
How long on average sun shines in September?
How high is the UV index in September in Biltmore Forest?
Average temperature in September
Biltmore Forest, NC
- Average high temperature in September: 77.2°F
The warmest month (with the highest average high temperature) is July (83.8°F).
The month with the lowest average high temperature is January (44.2°F).
- Average low temperature in September: 55.8°F
The month with the highest average low temperature is July (61.7°F).
The coldest month (with the lowest average low temperature) is January (28°F).
Average pressure in September
Biltmore Forest, NC
- Average pressure in September: 30.05"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
Biltmore Forest, NC
- Average wind speed in September: 3.9mph
The windiest month (with the highest average wind speed) is January (6.5mph).
The calmest month (with the lowest average wind speed) is August (3.5mph).
Average humidity in September
Biltmore Forest, NC
- Average humidity in September: 78%
The months with the highest relative humidity are May, September and December (78%).
The months with the lowest relative humidity are January and November (74%).
Average rainfall in September
Biltmore Forest, NC
- Average rainfall in September: 0.91"
The wettest month (with the highest rainfall) is December (1.65").
The driest month (with the least rainfall) is September (0.91").
Average rainfall days in September
Biltmore Forest, NC
- Average rainfall days in September: 10.1 days
The month with the highest number of rainy days is July (15 days).
The month with the least rainy days is November (6.8 days).
Average snowfall in September
Biltmore Forest, NC
- Average snowfall in September: 0"
The month with the highest snowfall is December (1.3").
The months with the least snowfall are May, June, July, August, September and October (0").
Average snowfall days in September
Biltmore Forest, NC
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is February (2.5 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
Biltmore Forest, NC
- Average daylight in September: 12h and 2min
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 1min
The month with the most sunshine is June (Average sunshine: 10h and 42min).
The month with the least sunshine is December (Average sunshine: 5h and 30min).
Average sunshine days in September
Biltmore Forest, NC
- Average sunshine days in September: 16.9 days
The month with the most sunshine days is October (21.9 days).
The month with the least sunshine days is July (12.6 days).
Average UV index in September
Biltmore Forest, NC
- 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
Biltmore Forest, NC
- Average cloud cover in September: 37
The months with the most cloud cover are February, March and December (Cloud cover 43).
The month with the least cloud cover is June (Cloud cover 31).
Average visibility in September
Biltmore Forest, NC
- Average visibility in September: 5mi
The months with the highest visibility are February, June, July and November (6mi).
The months with the lowest visibility are January, March, April, May, August, September, October and December (5mi).
Biltmore Forest, North Carolina, USA
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