September weather forecast
Mill Spring, NC

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Weather in September

September, the first month of the autumn in Mill Spring, is also a moderately hot month, with an average temperature fluctuating between 60.3°F (15.7°C) and 81.5°F (27.5°C).

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.
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Frequently asked questions

What are the temperatures in Mill Spring in September?

The high-temperature, in September, in Mill Spring, records 81.5°F (27.5°C), while the low-temperature is 60.3°F (15.7°C). The average heat index (a.k.a. 'real feel', 'apparent temperature'), which combines air temperature and relative humidity, in September is calculated to be 86°F (30°C).

What is the average humidity in September in Mill Spring?

In Mill Spring, North Carolina, the average relative humidity in September is 73%.

What is the driest month in Mill Spring?

The month with the least rainfall is September, when the rain falls for 12.9 days and typically collects 1.65" (42mm) of precipitation.

How many days does it rain in September in Mill Spring?

In Mill Spring, North Carolina, in September, during 12.9 rainfall days, 1.65" (42mm) of precipitation is typically accumulated.

When it does not snow in Mill Spring?

In Mill Spring, North Carolina, snow does not fall in April through October.

How many hours of daylight does Mill Spring have in September?

The average day length in September is 12h and 23min.

When are sunrise and sunset in September in Mill Spring?

In September, on the first day of the month, sunrise is at 7:01 am and sunset at 7:55 pm. On the last day of the month, in Mill Spring, North Carolina, sunrise is at 7:23 am and sunset at 7:13 pm EDT.

How many hours of sunshine does Mill Spring have in September?

The average sunshine duration in September is 8.7h.

How high is the UV index in September in Mill Spring?

The average daily maximum UV index in September is 5. A UV Index value of 3 to 5 symbolizes a medium health risk from unprotected exposure to UV radiation.
Average humidity
Average rainfall days
Average snowfall
Average snowfall days
Average daylight
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in September
Mill Spring, NC

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).

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Average pressure in September
Mill Spring, NC

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).

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Average wind speed in September
Mill Spring, NC

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).

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Average humidity in September
Mill Spring, NC

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%).

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Average rainfall in September
Mill Spring, NC

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").

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Average rainfall days in September
Mill Spring, NC

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).

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Average snowfall in September
Mill Spring, NC

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").

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Average snowfall days in September
Mill Spring, NC

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).

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Average daylight in September /
Average sunshine in September
Mill Spring, NC

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).

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Average sunshine days in September
Mill Spring, NC

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).

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Average UV index in September
Mill Spring, NC

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).

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Average cloud cover in September
Mill Spring, NC

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).

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Average visibility in September
Mill Spring, NC

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).

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Mill Spring, North Carolina, USA

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