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
In Union Mills, the average high-temperature in September slightly decreases from a hot 88°F (31.1°C) in August to a moderately hot 81.9°F (27.7°C). In the face of high daytime temperatures, Union Mills witnesses a consistent average nighttime low of 60.3°F (15.7°C) during September.Heat index
During September, the heat index is appraised at a hot 86°F (30°C). Exhaustion might be the outcome of enduring exposure and continuous activity, with a risk of heat cramps.Take note of the fact that heat index values are based on shaded circumstances with light airflows. Heat index values have the potential to be boosted by 15 Fahrenheit (8 Celsius) degrees due to direct sunlight.
Note: The heat index, also known as 'real feel' or 'apparent temperature', is an aggregate value of air's warmth and moisture to show the human-felt temperature. This effect tends to be personal, with the weather perception differing among individuals due to variations in body mass, height, and exertion. Consider the fact that direct sun exposure can influence how hot one feels, potentially raising the heat index by 15 Fahrenheit (8 Celsius) degrees. Heat index values are particularly meaningful for babies and toddlers. Young individuals are generally in more danger than adults due to their lower capacity to sweat. Moreover, their large skin surface in relation to their small bodies and the increased heat generation from their activities makes them more vulnerable.
Humidity
In Union Mills, North Carolina, the average relative humidity in September is 73%.Rainfall
The month with the least rainfall is September, when the rain falls for 11.7 days and typically collects 1.65" (42mm) of precipitation.Snowfall
April through October are months without snowfall.Daylight
The average length of the day in September in Union Mills is 12h and 23min.On the first day of the month, sunrise is at 7:00 am and sunset at 7:54 pm. On the last day of September, in Union Mills, sunrise is at 7:22 am and sunset at 7:12 pm EDT.
Sunshine
In Union Mills, the average sunshine in September is 8.5h.UV index
In September, the average daily maximum UV index is 5. A UV Index reading of 3 to 5 represents a medium health hazard from unprotected exposure to Sun's UV rays for average individuals.Note: In September, a daily maximum UV index of 5 leads to the following instructions:
Heed the precautions - Protecting the skin and eyes from damage is compulsory. The mid-day Sun emits the most powerful UV radiation, so seek shade and minimize exposure. On days when the sun blazes, arm yourself with sunglasses that block UVA and UVB radiation.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the temperature in September in Union Mills?
What is the average humidity in September in Union Mills?
What is the driest month in Union Mills?
How many days does it rain in September in Union Mills?
When it does not snow in Union Mills?
How many hours of daylight does Union Mills have in September?
When is the sunrise / sunset in September in Union Mills?
How many hours of sunshine does Union Mills have in September?
How high is the UV index in September in Union Mills?
Average temperature in September
Union Mills, NC
- Average high temperature in September: 81.9°F
The warmest month (with the highest average high temperature) is July (89.2°F).
The month with the lowest average high temperature is January (46.9°F).
- Average low temperature in September: 60.3°F
The month with the highest average low temperature is July (65.8°F).
The coldest month (with the lowest average low temperature) is January (30.7°F).
Average pressure in September
Union Mills, 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
Union Mills, NC
- Average wind speed in September: 4.2mph
The windiest month (with the highest average wind speed) is April (6.1mph).
The calmest month (with the lowest average wind speed) is August (3.7mph).
Average humidity in September
Union Mills, NC
- Average humidity in September: 73%
The month with the highest relative humidity is December (76%).
The month with the lowest relative humidity is July (69%).
Average rainfall in September
Union Mills, NC
- Average rainfall in September: 1.65"
The wettest month (with the highest rainfall) is December (3.39").
The driest month (with the least rainfall) is September (1.65").
Average rainfall days in September
Union Mills, NC
- Average rainfall days in September: 11.7 days
The month with the highest number of rainy days is May (16.8 days).
The month with the least rainy days is November (9.5 days).
Average snowfall in September
Union Mills, NC
- Average snowfall in September: 0"
The month with the highest snowfall is December (2.52").
The months with the least snowfall are April, May, June, July, August, September and October (0").
Average snowfall days in September
Union Mills, NC
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is February (1.9 days).
The months with the least snowfall days are April, May, June, July, August, September and October (0 days).
Average daylight in September /
Average sunshine in September
Union Mills, 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: 11h and 0min).
The month with the least sunshine is December (Average sunshine: 5h and 30min).
Average sunshine days in September
Union Mills, NC
- Average sunshine days in September: 16.3 days
The month with the most sunshine days is October (20.3 days).
The month with the least sunshine days is July (11.5 days).
Average UV index in September
Union Mills, NC
- 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 and December (UV index 2).
Average cloud cover in September
Union Mills, NC
- Average cloud cover in September: 32
The months with the most cloud cover are February, March and December (Cloud cover 40).
The month with the least cloud cover is June (Cloud cover 27).
Average visibility in September
Union Mills, NC
- Average visibility in September: 6mi
The months with the highest visibility are January, February, March, April, June, July, August, September, October, November and December (6mi).
The month with the lowest visibility is May (5mi).
Union Mills, North Carolina, USA
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