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 subtle shift in Mill Spring's weather is observed as August turns into September, with the average high temperature reducing from a hot 87.3°F (30.7°C) to a moderately hot 81.5°F (27.5°C). Mill Spring, in September, witnesses an average low-temperature of 60.3°F (15.7°C).Heat index
During September, the heat index is calculated to be a tropical 86°F (30°C). With unrelenting exposure and activity, one might experience exhaustion, leading to potential heat cramps.Data suggests that the heat index is set for environments in shade and with a light wind. Exposure to the sun directly might heighten the heat index by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'feels like' or 'real feel', provides an understanding of perceived warmth by combining temperature and relative humidity. The impact of temperature is individual, as people's perception of weather may change based on their body mass, height, and physical activity. 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 essentially critical for children. Young children are generally more endangered than adults, as they usually less sweat. And also, due to larger skin surface relative to their small bodies and higher heat production as a result of their activity.
Humidity
In September, the average relative humidity is 73%.Rainfall
The month with the least rainfall in Mill Spring is September, when the rain falls for 12.9 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 Mill Spring is 12h and 23min.On the first day of September, sunrise is at 7:01 am and sunset at 7:55 pm. On the last day of the month, sunrise is at 7:23 am and sunset at 7:13 pm EDT.
Sunshine
The average sunshine in September is 8.7h.UV index
The average daily maximum UV index in September is 5. A UV Index of 3 to 5 symbolizes a medium health hazard from unsafe exposure to UV radiation for average individuals.Note: A typical high UV index of 5 in September suggests the following recommendations:
Prioritize safety - Recommendations to avert sunburn are shared. Midday is when the Sun's radiation is strongest; avoid prolonged exposure during this time. In the presence of strong sunlight, it's crucial to wear sunglasses that ward off UVA and UVB rays.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What are the temperatures in Mill Spring in September?
What is the average humidity in September in Mill Spring?
What is the driest month in Mill Spring?
How many days does it rain in September in Mill Spring?
When it does not snow in Mill Spring?
How many hours of daylight does Mill Spring have in September?
When are sunrise and sunset in September in Mill Spring?
How many hours of sunshine does Mill Spring have in September?
How high is the UV index in September in Mill Spring?
Average temperature in September
Mill Spring, NC
- Average high temperature in September: 81.5°F
The warmest month (with the highest average high temperature) is July (88.5°F).
The month with the lowest average high temperature is January (47.1°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 (31.1°F).
Average pressure in September
Mill Spring, NC
- Average pressure in September: 30.04"Hg
The month with the highest atmospheric pressure is November (30.15"Hg).
The month with the lowest atmospheric pressure is June (29.99"Hg).
Average wind speed in September
Mill Spring, NC
- Average wind speed in September: 4.3mph
The windiest month (with the highest average wind speed) is April (6.3mph).
The calmest month (with the lowest average wind speed) is August (3.9mph).
Average humidity in September
Mill Spring, 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 (70%).
Average rainfall in September
Mill Spring, NC
- Average rainfall in September: 1.65"
The wettest month (with the highest rainfall) is December (3.66").
The driest month (with the least rainfall) is September (1.65").
Average rainfall days in September
Mill Spring, NC
- Average rainfall days in September: 12.9 days
The month with the highest number of rainy days is July (17.4 days).
The month with the least rainy days is November (9.2 days).
Average snowfall in September
Mill Spring, NC
- Average snowfall in September: 0"
The month with the highest snowfall is December (2.99").
The months with the least snowfall are April, May, June, July, August, September and October (0").
Average snowfall days in September
Mill Spring, 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
Mill Spring, 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 4min
The months with the most sunshine are June and July (Average sunshine: 11h and 0min).
The month with the least sunshine is December (Average sunshine: 5h and 42min).
Average sunshine days in September
Mill Spring, NC
- Average sunshine days in September: 15.4 days
The month with the most sunshine days is October (20.5 days).
The month with the least sunshine days is July (10.4 days).
Average UV index in September
Mill Spring, 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, February and December (UV index 2).
Average cloud cover in September
Mill Spring, NC
- Average cloud cover in September: 30
The months with the most cloud cover are February, March and December (Cloud cover 39).
The month with the least cloud cover is June (Cloud cover 27).
Average visibility in September
Mill Spring, NC
- Average visibility in September: 6mi
The months with the highest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).
The months with the lowest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).
Mill Spring, North Carolina, USA
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