September weather forecast
Mount Ulla, NC

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Weather in September

September, the first month of the autumn in Mount Ulla, is also a moderately hot month, with an average temperature varying between 61.9°F (16.6°C) and 81.9°F (27.7°C).

Temperature

September's arrival subtly correlates with a reduction in the average high-temperature, down from a tropical 88°F (31.1°C) in August to a moderately hot 81.9°F (27.7°C). Throughout September, Mount Ulla registers a consistent average low-temperature of 61.9°F (16.6°C).

Heat index

September's mean heat index is estimated at a hot 87.8°F (31°C). Uninterrupted exposure and activity might result in fatigue, potentially causing heat cramps.
Heat index details are generally centered around shaded locations and a mild breeze. Under direct sunshine, the heat index values might be elevated by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'apparent temperature' or 'feels like', is calculated by taking the relative humidity value for a specific location and factoring it into the air temperature reading. The impression of weather on a person can be swayed by additional aspects, including metabolic variations, pregnancy, and activity levels. One's exposure to direct sunlight has the potential to intensify the heat sensation, increasing the heat index by up to 15 Fahrenheit (8 Celsius) degrees. Heat index values are primarily vital for children. Kids generally face higher risks than adults as they sweat less. Along with their large skin surface compared to their small bodies and higher heat production due to their activities, their vulnerability is increased.

Humidity

In September, the average relative humidity in Mount Ulla is 74%.

Rainfall

In September, the rain falls for 12.9 days. Throughout September, 2.28" (58mm) of precipitation is accumulated. Throughout the year, in Mount Ulla, there are 161.6 rainfall days, and 32.91" (836mm) of precipitation is accumulated.

Snowfall

In Mount Ulla, snow does not fall in April through October.

Daylight

In September, the average length of the day is 12h and 23min.
On the first day of September in Mount Ulla, sunrise is at 6:55 am and sunset at 7:49 pm. On the last day of the month, sunrise is at 7:17 am and sunset at 7:07 pm EDT.

Sunshine

The average sunshine in September in Mount Ulla is 8.6h.

UV index

In September, the average daily maximum UV index is 5. A UV Index of 3 to 5 symbolizes a medium vulnerability from exposure to the Sun's UV rays for ordinary individuals.
Note: The average daily UV index of 5 in September transforms into the following instructions:
Take necessary precautions - Suggestions to elude sunburn are provided. Limiting exposure to the direct Sun during midday hours can help prevent harmful UV radiation effects. A hat with a broad brim is indispensable, filtering out up to half of UV rays.
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Frequently asked questions

What are September temperatures in Mount Ulla?

In Mount Ulla, in September, the average high-temperature is 81.9°F (27.7°C), and the average low-temperature is 61.9°F (16.6°C). In September, the average heat index (a.k.a. 'feels like', 'felt air temperature'), which takes the relative humidity and factors it into the air temperature reading, is estimated at 87.8°F (31°C).

What is the average humidity in September in Mount Ulla?

In September, the average relative humidity in Mount Ulla is 74%.

How many days does it rain in September in Mount Ulla?

In Mount Ulla, in September, it is raining for 12.9 days, with typically 2.28" (58mm) of accumulated precipitation.

When it does not snow in Mount Ulla?

April through October are months without snowfall in Mount Ulla, North Carolina.

How many hours of daylight does Mount Ulla have in September?

In September, the average day length in Mount Ulla, North Carolina, is 12h and 23min.

When are sunrise and sunset in September in Mount Ulla?

In September, on the first day of the month, sunrise is at 6:55 am and sunset at 7:49 pm. On the last day of the month, sunrise is at 7:17 am and sunset at 7:07 pm EDT.

How many hours of sunshine does Mount Ulla have in September?

In Mount Ulla, North Carolina, the average sunshine duration in September is 8.6h.

What is the UV index reading in September in Mount Ulla?

The average daily maximum UV index in September is 5. A UV Index reading of 3 to 5 represents a medium hazard to health from exposure to the Sun's 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
Mount Ulla, NC

Average temperature in September - Mount Ulla, NC
  • Average high temperature in September: 81.9°F

The warmest month (with the highest average high temperature) is July (89.8°F).
The month with the lowest average high temperature is January (46.9°F).

  • Average low temperature in September: 61.9°F

The month with the highest average low temperature is July (68.5°F).
The coldest month (with the lowest average low temperature) is January (31.5°F).

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Average pressure in September
Mount Ulla, NC

Average pressure in September - Mount Ulla, NC
  • Average pressure in September: 30.04"Hg

The month with the highest atmospheric pressure is November (30.16"Hg).
The month with the lowest atmospheric pressure is June (29.98"Hg).

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Average wind speed in September
Mount Ulla, NC

Average wind speed in September - Mount Ulla, NC
  • Average wind speed in September: 5mph

The windiest month (with the highest average wind speed) is April (7.3mph).
The calmest month (with the lowest average wind speed) is August (4.3mph).

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Average humidity in September
Mount Ulla, NC

Average humidity in September - Mount Ulla, NC
  • Average humidity in September: 74%

The months with the highest relative humidity are May and December (76%).
The month with the lowest relative humidity is July (70%).

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Average rainfall in September
Mount Ulla, NC

Average rainfall in September - Mount Ulla, NC
  • Average rainfall in September: 2.28"

The wettest month (with the highest rainfall) is April (3.46").
The driest month (with the least rainfall) is October (2.13").

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Average rainfall days in September
Mount Ulla, NC

Average rainfall days in September - Mount Ulla, NC
  • Average rainfall days in September: 12.9 days

The month with the highest number of rainy days is August (18 days).
The month with the least rainy days is November (9.2 days).

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Average snowfall in September
Mount Ulla, NC

Average snowfall in September - Mount Ulla, NC
  • Average snowfall in September: 0"

The month with the highest snowfall is December (2.13").
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
Mount Ulla, NC

Average snowfall days in September - Mount Ulla, NC
  • Average snowfall days in September: 0 days

The month with the highest number of snowfall days is February (2.6 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
Mount Ulla, NC

Average daylight in September / Average sunshine in September - Mount Ulla, 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 month with the most sunshine is July (Average sunshine: 10h and 48min).
The month with the least sunshine is December (Average sunshine: 5h and 18min).

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Average sunshine days in September
Mount Ulla, NC

Average sunshine days in September - Mount Ulla, NC
  • Average sunshine days in September: 15.4 days

The months with the most sunshine days are October and November (19.2 days).
The month with the least sunshine days is August (10.9 days).

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Average UV index in September
Mount Ulla, NC

Average UV index in September - Mount Ulla, 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).

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Average cloud cover in September
Mount Ulla, NC

Average cloud cover in September - Mount Ulla, NC
  • Average cloud cover in September: 35

The months with the most cloud cover are February and December (Cloud cover 43).
The months with the least cloud cover are June and July (Cloud cover 30).

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Average visibility in September
Mount Ulla, NC

Average visibility in September - Mount Ulla, 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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Mount Ulla, North Carolina, USA

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