September weather forecast
Butner, NC

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Weather in September

The first month of the autumn, September, is still a warm month in Butner, North Carolina, with an average temperature fluctuating between 63.3°F (17.4°C) and 81.7°F (27.6°C).

Temperature

September ushers in a minor alteration in Butner's climate, with the average high-temperature moving from August's hot 87.6°F (30.9°C) to a warm 81.7°F (27.6°C). During September, the nighttime temperature averages of 63.3°F (17.4°C).

Heat index

September's mean heat index is estimated at a hot 86°F (30°C). If one remains active during constant exposure, it might cause exhaustion and heat cramps.
Data suggests that the heat index is set for environments in shade and with a light wind. If directly exposed to the sun, the heat index could rise by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'feels like' or 'real feel', reflects the feeling of heat when considering both air temperature and humidity. This effect is personal, influenced by the individual's physical activity and heat sensitivity, shaped by factors including wind, attire, and metabolic variations. It is noteworthy that being in direct sunlight can enhance the weather's impact, raising the heat index by as much as 15 Fahrenheit (8 Celsius) degrees. Heat index values hold particular importance for children. Youths are typically more endangered than adults since they usually sweat less. Their larger skin surface concerning their smaller bodies and higher heat production due to activity further adds to their vulnerability.

Humidity

The average relative humidity in September in Butner is 75%.

Rainfall

The month with the least rainfall is September, when the rain falls for 12.7 days and typically collects 2.01" (51mm) of precipitation.

Snowfall

In Butner, North Carolina, snow does not fall in April through November.

Daylight

The average length of the day in September is 12h and 24min.
On the first day of September in Butner, sunrise is at 6:47 am and sunset at 7:42 pm. On the last day of the month, sunrise is at 7:09 am and sunset at 6:59 pm EDT.

Sunshine

The average sunshine in September in Butner is 8.9h.

UV index

In Butner, the average daily maximum UV index in September is 5. A UV Index estimate of 3 to 5 represents a medium vulnerability from exposure to the Sun's UV rays for ordinary individuals.
Note: A maximum high daily UV index of 5 during September translates into the following directions:
Preventative actions are necessary - Recommendations to ward off sunburn are given. Minimize direct exposure to the Sun during midday when its radiation is at its peak. Combat UV radiation's detrimental effects with sun-safe clothing and UV-blocking eyewear.
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Frequently asked questions

What is the temperature in September in Butner?

In Butner, in September, the average high-temperature is 81.7°F (27.6°C), and the average low-temperature is 63.3°F (17.4°C). The average heat index (a.k.a. 'apparent temperature', 'real feel'), which factors the actual air temperature with the relative humidity, in September is estimated at 86°F (30°C).

What is the average humidity in September in Butner?

The average relative humidity in September in Butner is 75%.

What is the driest month in Butner?

The month with the least rainfall in Butner, North Carolina, is September, when the rain falls for 12.7 days and typically collects 2.01" (51mm) of precipitation.

How many days does it rain in September in Butner?

In Butner, in September, it is raining for 12.7 days, with typically 2.01" (51mm) of accumulated precipitation.

When it does not snow in Butner?

April through November are months without snowfall in Butner.

What is the average length of the day in September in Butner?

In September, the average day length in Butner, North Carolina, is 12h and 24min.

What time are sunrise and sunset in September in Butner?

On the first day of September in Butner, North Carolina, sunrise is at 6:47 am and sunset at 7:42 pm. On the last day of the month, sunrise is at 7:09 am and sunset at 6:59 pm EDT.

How long on average sun shines in September in Butner?

The average sunshine duration in September in Butner, North Carolina, is 8.9h.

How high is the UV index in September in Butner?

In Butner, the average daily maximum UV index in September is 5. A UV Index of 3 to 5 symbolizes a moderate health threat from unsafe exposure to Sun's UV rays.
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
Butner, NC

Average temperature in September - Butner, NC
  • Average high temperature in September: 81.7°F

The warmest month (with the highest average high temperature) is July (90.1°F).
The month with the lowest average high temperature is January (46.9°F).

  • Average low temperature in September: 63.3°F

The month with the highest average low temperature is July (69.8°F).
The coldest month (with the lowest average low temperature) is January (31.8°F).

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Average pressure in September
Butner, NC

Average pressure in September - Butner, NC
  • Average pressure in September: 30.03"Hg

The month with the highest atmospheric pressure is November (30.15"Hg).
The month with the lowest atmospheric pressure is June (29.96"Hg).

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Average wind speed in September
Butner, NC

Average wind speed in September - Butner, NC
  • Average wind speed in September: 5.5mph

The windiest month (with the highest average wind speed) is April (7.6mph).
The calmest month (with the lowest average wind speed) is August (4.9mph).

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Average humidity in September
Butner, NC

Average humidity in September - Butner, NC
  • Average humidity in September: 75%

The month with the highest relative humidity is December (77%).
The month with the lowest relative humidity is July (71%).

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Average rainfall in September
Butner, NC

Average rainfall in September - Butner, NC
  • Average rainfall in September: 2.01"

The wettest month (with the highest rainfall) is May (2.8").
The driest month (with the least rainfall) is September (2.01").

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Average rainfall days in September
Butner, NC

Average rainfall days in September - Butner, NC
  • Average rainfall days in September: 12.7 days

The month with the highest number of rainy days is May (17.8 days).
The month with the least rainy days is November (9 days).

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Average snowfall in September
Butner, NC

Average snowfall in September - Butner, NC
  • Average snowfall in September: 0"

The month with the highest snowfall is January (1.57").
The months with the least snowfall are April, May, June, July, August, September, October and November (0").

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Average snowfall days in September
Butner, NC

Average snowfall days in September - Butner, NC
  • Average snowfall days in September: 0 days

The month with the highest number of snowfall days is February (2.2 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
Butner, NC

Average daylight in September / Average sunshine in September - Butner, NC
  • Average daylight in September: 12h and 2min

The month with the longest days is June (Average daylight: 14h and 36min).
The month with the shortest days is December (Average daylight: 9h and 48min).

  • Average sunshine in September: 8h and 5min

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 30min).

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Average sunshine days in September
Butner, NC

Average sunshine days in September - Butner, NC
  • Average sunshine days in September: 16.3 days

The month with the most sunshine days is November (19.8 days).
The month with the least sunshine days is May (11.2 days).

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Average UV index in September
Butner, NC

Average UV index in September - Butner, NC
  • Average UV index in September: 5

The months with the highest UV index are May, June, July and August (UV index 6).
The month with the lowest UV index is January (UV index 2).

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Average cloud cover in September
Butner, NC

Average cloud cover in September - Butner, NC
  • Average cloud cover in September: 37

The month with the most cloud cover is February (Cloud cover 43).
The months with the least cloud cover are June and July (Cloud cover 31).

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Average visibility in September
Butner, NC

Average visibility in September - Butner, 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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Butner, North Carolina, USA

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