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 transition into September notes an average high-temperature of a still warm 74.7°F (23.7°C), revealing a mild distinction from the 79.3°F (26.3°C) in August. The average low-temperature during September nights is a cool 54.1°F (12.3°C).Humidity
The months with the highest humidity in Cullowhee are May and September, with an average relative humidity of 81%.Rainfall
The month with the least rainfall in Cullowhee is September, when the rain falls for 16.2 days and typically collects 2.56" (65mm) of precipitation.Snowfall
May through September are months without snowfall.Daylight
The average length of the day in September is 12h and 23min.On the first day of the month, sunrise is at 7:05 am and sunset at 7:59 pm. On the last day of September, sunrise is at 7:27 am and sunset at 7:17 pm EDT.
Sunshine
The average sunshine in September is 8.1h.UV index
In Cullowhee, the average daily maximum UV index in September is 4. A UV Index estimate of 3 to 5 represents a moderate threat to health from exposure to the Sun's UV rays for the average person.Note: In September, a daily maximum UV index of 4 leads to the following instructions:
Act with care - Obligation to protect against skin and eye damage is highlighted. Sun exposure should be minimized, especially during midday, to avoid harmful UV radiation. Using UVA and UVB-protective sunglasses and sun-protective clothing is effective against UV radiation.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What are the temperatures in September?
What are the most humid months?
What is the average humidity in September?
What is the driest month?
How many days does it rain in September?
When it does not snow?
Does it snow in Cullowhee in September?
How many hours of daylight does Cullowhee have in September?
When are sunrise and sunset in September in Cullowhee?
How many hours of sunshine does Cullowhee have in September?
What is the UV index intensity in September?
Average temperature in September
Cullowhee, NC
- Average high temperature in September: 74.7°F
The warmest month (with the highest average high temperature) is July (80.2°F).
The month with the lowest average high temperature is January (42.6°F).
- Average low temperature in September: 54.1°F
The month with the highest average low temperature is July (59.5°F).
The coldest month (with the lowest average low temperature) is January (27°F).
Average pressure in September
Cullowhee, NC
- Average pressure in September: 30.04"Hg
The months with the highest atmospheric pressure are January and November (30.15"Hg).
The month with the lowest atmospheric pressure is June (29.99"Hg).
Average wind speed in September
Cullowhee, NC
- Average wind speed in September: 3.4mph
The windiest months (with the highest average wind speed) are January, February and April (5.8mph).
The calmest month (with the lowest average wind speed) is August (3.1mph).
Average humidity in September
Cullowhee, NC
- Average humidity in September: 81%
The months with the highest relative humidity are May and September (81%).
The month with the lowest relative humidity is November (77%).
Average rainfall in September
Cullowhee, NC
- Average rainfall in September: 2.56"
The wettest month (with the highest rainfall) is July (4.33").
The driest month (with the least rainfall) is September (2.56").
Average rainfall days in September
Cullowhee, NC
- Average rainfall days in September: 16.2 days
The month with the highest number of rainy days is July (20.9 days).
The month with the least rainy days is November (10.7 days).
Average snowfall in September
Cullowhee, NC
- Average snowfall in September: 0"
The month with the highest snowfall is December (2.95").
The months with the least snowfall are May, June, July, August and September (0").
Average snowfall days in September
Cullowhee, NC
- Average snowfall days in September: 0 days
The months with the highest number of snowfall days are January and February (5.3 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in September /
Average sunshine in September
Cullowhee, 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 12min).
The month with the least sunshine is December (Average sunshine: 5h and 12min).
Average sunshine days in September
Cullowhee, NC
- Average sunshine days in September: 11.5 days
The month with the most sunshine days is October (17.7 days).
The month with the least sunshine days is July (8.8 days).
Average UV index in September
Cullowhee, NC
- Average UV index in September: 4
The months with the highest UV index are May, June, July and August (UV index 5).
The months with the lowest UV index are January, February and December (UV index 2).
Average cloud cover in September
Cullowhee, NC
- Average cloud cover in September: 41
The month with the most cloud cover is February (Cloud cover 51).
The month with the least cloud cover is June (Cloud cover 37).
Average visibility in September
Cullowhee, NC
- Average visibility in September: 4mi
The months with the highest visibility are January, February, March, April, May, June, July, August, October, November and December (5mi).
The month with the lowest visibility is September (4mi).
Cullowhee, North Carolina, USA
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