September weather forecast and climate
Efland, NC

September, the first month of the autumn, in Efland, is still a warm month, with average temperature ranging between min 63°F (17.2°C) and max 81.7°F (27.6°C).

Temperature

In September, the average high-temperature marginally drops, from a hot 87.4°F (30.8°C) in August, to a moderately hot 81.7°F (27.6°C). The average low-temperature, in Efland, is 63°F (17.2°C).

Heat index

In September, the average heat index is calculated to a hot 86.9°F (30.5°C). Exhaustion is likely with prolonged exposure and activity. Sustaining activity may result in heat cramps.
Note that heat index values are valued for light wind and location in the shade. Exposure to direct sunshine can increase heat index values by up to 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'real feel', 'feels like', 'felt air temperature', or 'apparent temperature', is an index that combines air temperature and relative humidity to determine the human-perceived temperature equivalent. This effect is individual, with diverse people perceiving weather differently for numerous reasons (wind, metabolic differences, clothing), and activity. Be aware that direct exposure to sunlight increases heat impact, and may raise the heat index additionally, by up to 15 Fahrenheit (8 Celsius) degrees. Heat index values are particularly important for children. 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

In September, the average relative humidity is 75%.

Rainfall

In Efland, it is raining for 13.5 days, with typically 2.28" (58mm) of accumulated precipitation. In Efland, during the entire year, the rain falls for 157.7 days and collects up to 32.32" (821mm) of precipitation.

Snowfall

April through October are months without snowfall in Efland.

Daylight

In September, the average length of the day in Efland is 12.4h.

Sunshine

In September, the average sunshine in Efland is 8.9h.

UV index

The average daily maximum UV index in Efland is 5. A UV Index estimate of 3 to 5 represents a moderate health risk from unsafe exposure to the UV radiation for ordinary 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 Sun's most intense and consequently most harmful UV radiation during midday hours should be decreased by minimizing exposure and seeking shade. 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 Efland?

In September, the average high-temperature is 81.7°F (27.6°C), and the average low-temperature is 63°F (17.2°C). In September, the average heat index (a.k.a. 'felt air temperature', 'real feel'), that calculates temperature value influenced by the moisture in the air, is calculated to 86.9°F (30.5°C).

What is the average humidity in September in Efland?

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

How much does it rain in Efland in September?

In Efland, North Carolina, in September, it is raining for 13.5 days, with typically 2.28" (58mm) of accumulated precipitation.

When it does not snow in Efland?

April through October are months without snowfall in Efland.

How many hours of daylight does Efland have in September?

In Efland, the average length of the day in September is 12.4h.

How long on average sun shines in September in Efland?

In Efland, North Carolina, the average sunshine in September is 8.9h.

What is the UV index intensity in September in Efland?

The average daily maximum UV index in September in Efland is 5. A UV Index value of 3 to 5 symbolizes a medium hazard to health from the exposure to the Sun's UV rays.
Average temperature in September - Efland, NC
  • Average high temperature in September: 27.6°C

The warmest month (with the highest average high temperature) is July (32.3°C).
The month with the lowest average high temperature is January (8.3°C).

  • Average low temperature in September: 17.2°C

The month with the highest average low temperature is July (20.8°C).
The coldest month (with the lowest average low temperature) is January (-0.4°C).

Average pressure in September - Efland, NC
  • Average pressure in September: 1017.2mbar

The month with the highest atmospheric pressure is November (1021.1mbar).
The month with the lowest atmospheric pressure is June (1014.7mbar).

Average wind speed in September - Efland, NC
  • Average wind speed in September: 8.5km/h

The windiest month (with the highest average wind speed) is April (11.9km/h).
The calmest month (with the lowest average wind speed) is August (7.6km/h).

Average humidity in September - Efland, 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%).

Average rainfall in September - Efland, NC
  • Average rainfall in September: 58mm

The wettest month (with the highest rainfall) is May (88mm).
The driest month (with the least rainfall) is October (51mm).

Average rainfall days in September - Efland, NC
  • Average rainfall days in September: 13.5 days

The month with the highest number of rainy days is May (18.3 days).
The month with the least rainy days is November (8.1 days).

Average snowfall in September - Efland, NC
  • Average snowfall in September: 0mm

The month with the highest snowfall is January (59mm).
Months with the least snowfall are April, May, June, July, August, September and October (0mm).

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

The month with the highest number of snowfall days is February (2.2 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 - Efland, 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: 9.7h).

  • Average sunshine in September: 8.9h

Months with the most sunshine are June and July (Average sunshine: 10.6h).
The month with the least sunshine is December (Average sunshine: 5.5h).

Average sunshine days in September - Efland, NC
  • Average sunshine days in September: 15.2 days

The month with the most sunshine days is November (21.2 days).
The month with the least sunshine days is May (10.6 days).

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

Months with the highest UV index are May, June, July and August (UV index 6).
Months with the lowest UV index are January and December (UV index 2).

Average cloud cover in September - Efland, NC
  • Average cloud cover in September: 38

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

Average visibility in September - Efland, NC
  • Average visibility in September: 9km

Months with the highest visibility are January, February, March, April, May, June, July, August, September, October, November and December (9km).
Months with the lowest visibility are January, February, March, April, May, June, July, August, September, October, November and December (9km).