September weather forecast and climate
Zebulon, NC

September, the first month of the autumn, in Zebulon, is also a moderately hot month, with temperature in the range of an average high of 81.5°F (27.5°C) and an average low of 64°F (17.8°C).

Temperature

In Zebulon, the average high-temperature in September is essentially the same as in August - a warm 81.5°F (27.5°C). The average low-temperature, in Zebulon, North Carolina, is 64°F (17.8°C).

Heat index

The average heat index in September is estimated at a hot 86.9°F (30.5°C). Constant exposure and activity lead to possible fatigue. Prolonged exercise may result in heat cramps.
Take into consideration that the heat index values are calculated for shade and light wind conditions. Exposure to direct sunshine can increase heat index values by up to 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'apparent temperature', 'real feel', 'feels like', or 'felt air temperature', is what the temperature feels like to the human body when the air temperature is combined with the relative humidity. This effect is subjective, depending on the activity and individual's heat perception influenced by various reasons (clothing, differences in body mass, height, and shape, pregnancy). Bear in mind that direct sunshine exposure increases weather impact, and may raise heat index by up to 15 Fahrenheit (8 Celsius) degrees. Heat index values are especially crucial for babies and toddlers. Children are often less aware of the need to rest and re-hydrate. Thirst is a late sign of dehydration - it is vital to remain hydrated, particularly during prolonged physical activities.

Humidity

Months with the highest humidity are May, September and December, with an average relative humidity of 77%.

Rainfall

In Zebulon, in September, during 14.2 rainfall days, 2.83" (72mm) of precipitation is typically accumulated. Throughout the year, there are 168.7 rainfall days, and 33.19" (843mm) of precipitation is accumulated.

Snowfall

In Zebulon snow does not fall in April through October.

Daylight

In September, the average length of the day in Zebulon, North Carolina, is 12.4h.

Sunshine

In September, the average sunshine is 9.1h.

UV index

The average daily maximum UV index in September is 5. A UV Index of 3 to 5 symbolizes a moderate threat to health from the exposure to the Sun's UV radiation for average individuals.
Note: In September, the average maximum UV index of 5 translate into the following recommendations:
Take precautions. Light skin individuals may get burned in less than 30 minutes. The solar radiation is most powerful near the mid-day, so the exposure to the direct Sun should be reduced accordingly. On bright days sunglasses that block both UVA and UVB rays should be worn. A hat with a wide brim is extremely helpful, as it can prevent roughly 50% of UV radiation from reaching the eyes.

What is the temperature in September in Zebulon?

The average high-temperature, in September, is 81.5°F (27.5°C), while the average low-temperature is 64°F (17.8°C). The average heat index (a.k.a. 'feels like', 'real feel'), that represents influence of the relative humidity to air temperaure, in September is appraised at 86.9°F (30.5°C).

What is the most humid month in Zebulon?

Months with the highest humidity are May, September and December, with an average relative humidity of 77%.

What is the average humidity in September in Zebulon?

The average relative humidity in September is 77%.

How much does it rain in Zebulon in September?

In Zebulon, North Carolina, in September, during 14.2 rainfall days, 2.83" (72mm) of precipitation is typically accumulated.

When it does not snow in Zebulon?

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

How many hours of daylight does Zebulon have in September?

The average length of the day in September in Zebulon, North Carolina, is 12.4h.

How long on average sun shines in September in Zebulon?

In Zebulon, the average sunshine in September is 9.1h.

How high is the UV index in September in Zebulon?

In Zebulon, North Carolina, the average daily maximum UV index in September is 5. A UV Index value of 3 to 5 symbolizes a medium health risk from the exposure to the Sun's UV radiation.
Average temperature in September - Zebulon, NC
  • Average high temperature in September: 81.5°F

The warmest month (with the highest average high temperature) is July (88.9°F).
The month with the lowest average high temperature is January (48°F).

  • Average low temperature in September: 64°F

The month with the highest average low temperature is July (70.7°F).
The coldest month (with the lowest average low temperature) is January (32.7°F).

Average pressure in September - Zebulon, NC
  • Average pressure in September: 30.03"

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

Average wind speed in September - Zebulon, NC
  • Average wind speed in September: 6.2mph

The windiest month (with the highest average wind speed) is April (8.4mph).
The calmest month (with the lowest average wind speed) is August (5.4mph).

Average humidity in September - Zebulon, NC
  • Average humidity in September: 77%

Months with the highest relative humidity are May, September and December (77%).
Months with the lowest relative humidity are January and November (73%).

Average rainfall in September - Zebulon, NC
  • Average rainfall in September: 2.83"

The wettest month (with the highest rainfall) is August (3.7").
The driest month (with the least rainfall) is October (2.2").

Average rainfall days in September - Zebulon, NC
  • Average rainfall days in September: 14.2 days

The month with the highest number of rainy days is July (19.6 days).
The month with the least rainy days is November (9.5 days).

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

The month with the highest snowfall is January (1.42").
Months with the least snowfall are April, May, June, July, August, September and October (0").

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

The month with the highest number of snowfall days is February (2.3 days).
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 - Zebulon, NC
  • Average daylight in September: 12.4h

The month with the longest days is June (Average daylight: 14.6h).
The month with the shortest days is December (Average daylight: 9.8h).

  • Average sunshine in September: 9.1h

The month with the most sunshine is June (Average sunshine: 10.8h).
The month with the least sunshine is December (Average sunshine: 5.5h).

Average sunshine days in September - Zebulon, NC
  • Average sunshine days in September: 14.5 days

The month with the most sunshine days is November (19.3 days).
The month with the least sunshine days is July (9.7 days).

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

Months with the highest UV index are June and July (UV index 7).
The month with the lowest UV index is January (UV index 2).

Average cloud cover in September - Zebulon, NC
  • Average cloud cover in September: 36

Months with the most cloud cover are February and March (Cloud cover 42).
Months with the least cloud cover are June and July (Cloud cover 31).

Average visibility in September - Zebulon, NC
  • Average visibility in September: 6mi

Months with the highest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).
Months with the lowest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).