September weather forecast and climate
Severn, NC

Weather in September

September, the first month of the autumn, in Severn, is also a moderately hot month, with temperature in the range of an average high of 81°F (27.2°C) and an average low of 64°F (17.8°C).

Temperature

In Severn, the average high-temperature in September marginally drops, from a tropical 86.7°F (30.4°C) in August, to a moderately hot 81°F (27.2°C). The average low-temperature, in Severn, is 64°F (17.8°C).

Heat index

In September, the average heat index is evaluated at 86°F (30°C). Constant exposure and activity lead to possible fatigue. Prolonged exercise may result in heat cramps.
Note that heat index values are valued for light wind and location in the shade. With the exposure to direct sunlight, the heat index may be increased 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 a measure of how hot it feels when the actual air humidity is factored in. This effect is individual, with diverse people perceiving weather differently for numerous reasons (differences in body mass, height, and shape, clothing, pregnancy), and activity. 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 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

The average relative humidity is 78%.

Rainfall

In Severn, it is raining for 13.7 days, with typically 2.56" (65mm) of accumulated precipitation. Throughout the year, there are 161.4 rainfall days, and 31.22" (793mm) of precipitation is accumulated.

Snowfall

April through November are months without snowfall in Severn.

Daylight

In Severn, the average length of the day is 12.4h.

Sunshine

The average sunshine in Severn is 9h.

UV index

In September, the average daily maximum UV index in Severn is 5. A UV Index estimate of 3 to 5 represents a moderate threat to health from unsafe exposure to the UV radiation for ordinary individuals.
Note: The average daily UV index of 5 transform into the following instructions:
Take precautions - Protection against the skin and eye damage is obliged. The solar radiation is most powerful near the mid-day, so the exposure to the direct Sun should be reduced accordingly. A wide-brim hat offers excellent sun protection for eyes, ears, face, and neck. Sunglasses with UVA and UVB protection significantly reduce eye damage from sun exposure. Tightly woven, loose-fitting clothes provide additional protection from the Sun.
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FAQ

What is the temperature in September in Severn?

In Severn, North Carolina, in September, the average high-temperature is 81°F (27.2°C), and the average low-temperature is 64°F (17.8°C). In September, the average heat index (a.k.a. 'felt air temperature', 'feels like'), that factores the actual air temperature with the relative humidity, is appraised at 86°F (30°C).

What is the average humidity in September in Severn?

In Severn, North Carolina, the average relative humidity in September is 78%.

How much does it rain in Severn in September?

In Severn, during September, the rain falls for 13.7 days and regularly aggregates up to 2.56" (65mm) of precipitation.

When it does not snow in Severn?

In Severn snow does not fall in April through November.

How many hours of daylight does Severn have in September?

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

How many hours of sunshine does Severn have in September?

In Severn, the average sunshine in September is 9h.

What is the UV index reading in September in Severn?

In September, the average daily maximum UV index in Severn is 5. A UV Index estimate of 3 to 5 represents a medium hazard to health from the exposure to the Sun's UV radiation.

Average temperature in September
Severn, NC

Average temperature in September - Severn, NC
  • Average high temperature in September: 81°F

The warmest month (with the highest average high temperature) is July (88°F).
The month with the lowest average high temperature is January (47.3°F).

  • Average low temperature in September: 64°F

The month with the highest average low temperature is July (70.3°F).
The coldest month (with the lowest average low temperature) is January (32°F).

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Average pressure in September
Severn, NC

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

The month with the highest atmospheric pressure is November (30.14").
The month with the lowest atmospheric pressure is June (29.96").

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Average wind speed in September
Severn, NC

Average wind speed in September - Severn, NC
  • Average wind speed in September: 6.3mph

The windiest month (with the highest average wind speed) is April (8.8mph).
The calmest month (with the lowest average wind speed) is August (5.6mph).

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Average humidity in September
Severn, NC

Average humidity in September - Severn, NC
  • Average humidity in September: 78%

The month with the highest relative humidity is May (79%).
Months with the lowest relative humidity are January, February, April and November (75%).

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Average rainfall in September
Severn, NC

Average rainfall in September - Severn, NC
  • Average rainfall in September: 2.56"

The wettest month (with the highest rainfall) is August (3.62").
The driest month (with the least rainfall) is October (2.09").

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Average rainfall days in September
Severn, NC

Average rainfall days in September - Severn, NC
  • Average rainfall days in September: 13.7 days

The month with the highest number of rainy days is May (17.9 days).
The month with the least rainy days is November (9 days).

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Average snowfall in September
Severn, NC

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

The month with the highest snowfall is February (1.5").
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
Severn, NC

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

The month with the highest number of snowfall days is January (2.3 days).
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
Severn, NC

Average daylight in September / Average sunshine in September - Severn, 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: 9h

The month with the most sunshine is June (Average sunshine: 10.6h).
The month with the least sunshine is February (Average sunshine: 5.4h).

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Average sunshine days in September
Severn, NC

Average sunshine days in September - Severn, NC
  • Average sunshine days in September: 13.7 days

The month with the most sunshine days is October (19.7 days).
The month with the least sunshine days is July (10.6 days).

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Average UV index in September
Severn, NC

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

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
Severn, NC

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

The month with the most cloud cover is March (Cloud cover 45).
Months with the least cloud cover are June and July (Cloud cover 32).

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Average visibility in September
Severn, NC

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

Months with the highest visibility are January, February, March, April, May, June, July, September, October, November and December (6mi).
The month with the lowest visibility is August (5mi).

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