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 arrival subtly correlates with a reduction in the average high-temperature, down from 85.1°F (29.5°C) in August to a still moderately hot 79.5°F (26.4°C). An average temperature of 58.5°F (14.7°C) marks the nights in September.Humidity
The average relative humidity in September is 75%.Rainfall
September is the month with the least rainfall. Rain falls for 13.7 days and accumulates 1.93" (49mm) of precipitation.Snowfall
May through October are months without snowfall.Daylight
In September, the average length of the day is 12h and 23min.On the first day of the month, sunrise is at 6:58 am and sunset at 7:53 pm. On the last day of September, sunrise is at 7:21 am and sunset at 7:10 pm EDT.
Sunshine
The average sunshine in September is 8.5h.UV index
In Valdese, the average daily maximum UV index in September is 5. A UV Index value of 3 to 5 symbolizes a moderate threat to health from unprotected exposure to Sun's UV rays for average individuals.Note: The maximum daily UV index of 5 in September converts into the following recommendations:
Adopt protective measures - Requirement to safeguard skin and eyes from harm exists. Given the potency of the midday Sun's UV radiation, one should avoid prolonged exposure. To mitigate harm from sun exposure, pick sunglasses offering UVA and UVB defense.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What are the temperatures in September?
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?
How many hours of daylight does Valdese have in September?
When is the sunrise / sunset in September?
How long on average sun shines in September?
How high is the UV index in September?
Average temperature in September
Valdese, NC
- Average high temperature in September: 79.5°F
The warmest month (with the highest average high temperature) is July (86.7°F).
The month with the lowest average high temperature is January (44.8°F).
- Average low temperature in September: 58.5°F
The month with the highest average low temperature is July (64°F).
The coldest month (with the lowest average low temperature) is January (28.8°F).
Average pressure in September
Valdese, 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
Valdese, NC
- Average wind speed in September: 4.1mph
The windiest month (with the highest average wind speed) is April (6.2mph).
The calmest month (with the lowest average wind speed) is August (3.6mph).
Average humidity in September
Valdese, NC
- Average humidity in September: 75%
The months with the highest relative humidity are May and December (77%).
The month with the lowest relative humidity is July (72%).
Average rainfall in September
Valdese, NC
- Average rainfall in September: 1.93"
The wettest month (with the highest rainfall) is December (3.35").
The driest month (with the least rainfall) is September (1.93").
Average rainfall days in September
Valdese, NC
- Average rainfall days in September: 13.7 days
The month with the highest number of rainy days is July (18.5 days).
The month with the least rainy days is November (9.5 days).
Average snowfall in September
Valdese, NC
- Average snowfall in September: 0"
The month with the highest snowfall is December (2.8").
The months with the least snowfall are May, June, July, August, September and October (0").
Average snowfall days in September
Valdese, NC
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is February (3.3 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
Valdese, 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 3min
The month with the most sunshine is June (Average sunshine: 10h and 54min).
The month with the least sunshine is December (Average sunshine: 5h and 36min).
Average sunshine days in September
Valdese, NC
- Average sunshine days in September: 13.8 days
The month with the most sunshine days is November (19.4 days).
The month with the least sunshine days is July (10.1 days).
Average UV index in September
Valdese, NC
- Average UV index in September: 5
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
Valdese, NC
- Average cloud cover in September: 34
The month with the most cloud cover is March (Cloud cover 41).
The month with the least cloud cover is June (Cloud cover 28).
Average visibility in September
Valdese, NC
- Average visibility in September: 5mi
The months with the highest visibility are February, March, April, June, July, August, October, November and December (6mi).
The months with the lowest visibility are January, May and September (5mi).
Valdese, North Carolina, USA
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