Contents
- Weather in September
- Frequently asked questions
- Average temperature in September
- Average pressure in September
- Average wind speed in September
- Average humidity in September
- Average rainfall in September
- Average rainfall days in September
- Average snowfall in September
- Average snowfall days in September
- Average daylight in September
- Average sunshine in September
- Average sunshine days in September
- Average UV index in September
- Average cloud cover in September
- Average visibility in September
Weather in September
Temperature
The start of September signals a gentle decrease in the average high-temperature, transitioning from a hot 86.7°F (30.4°C) in August to a warm 81°F (27.2°C). The average temperature in Severn drops to a comfortable 64°F (17.8°C) during the night in the month of September.Heat index
In September, the average heat index is calculated to be a hot 86°F (30°C). Persisting in activity during long-term exposure might induce weariness, with subsequent heat cramps.Understand that the heat index values take into account shaded locations and mild winds. The direct sunshine could escalate the heat index values by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'apparent temperature' or 'feels like', measures the perceived warmth when incorporating the humidity present in the air. The effect is personal, with varied weather perceptions among individuals due to differences in body mass, stature, and physical activity. Be mindful that being in direct sunlight might mean feeling hotter, with the heat index rising by up to 15 Fahrenheit (8 Celsius) degrees. Heat index values are quite important for babies and toddlers. Children often do not understand the need to rest and hydrate. Thirst is a late manifestation of dehydration - therefore, it is essential to stay hydrated, particularly during prolonged physical activities.
Humidity
In September, the average relative humidity is 78%.Rainfall
In September, in Severn, the rain falls for 13.7 days. Throughout September, 2.56" (65mm) of precipitation is accumulated. In Severn, during the entire year, the rain falls for 161.4 days and collects up to 31.22" (793mm) of precipitation.Snowfall
In Severn, North Carolina, snow does not fall in April through November.Daylight
The average length of the day in September in Severn is 12h and 24min.On the first day of September in Severn, sunrise is at 6:40 am and sunset at 7:36 pm. On the last day of the month, sunrise is at 7:03 am and sunset at 6:53 pm EDT.
Sunshine
The average sunshine in September in Severn is 9h.UV index
The average daily maximum UV index in September in Severn is 5. A UV Index value of 3 to 5 symbolizes a medium health hazard from unsafe exposure to UV radiation for the average person.Note: The maximum daily UV index of 5 in September converts into the following recommendations:
Preventative actions are necessary - Suggestions to safeguard against sun damage are in order. The Sun's radiation is especially intense around midday; try to stay in shade during this period. Boost your sun resistance with garments that are densely woven yet spacious.
Frequently asked questions
What are September temperatures in Severn?
What is the average humidity in September in Severn?
How many days does it rain in September in Severn?
When it does not snow in Severn?
How many hours of daylight does Severn have in September?
When is the sunrise / sunset in September in Severn?
How long on average sun shines in September in Severn?
How high is the UV index in September in Severn?
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).
Average pressure in September
Severn, NC
- Average pressure in September: 30.03"Hg
The month with the highest atmospheric pressure is November (30.14"Hg).
The month with the lowest atmospheric pressure is June (29.96"Hg).
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).
Average humidity in September
Severn, NC
- Average humidity in September: 78%
The month with the highest relative humidity is May (79%).
The months with the lowest relative humidity are January, February, April and November (75%).
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").
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).
Average snowfall in September
Severn, NC
- Average snowfall in September: 0"
The month with the highest snowfall is February (1.5").
The months with the least snowfall are April, May, June, July, August, September, October and November (0").
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).
The 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
Severn, 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 42min).
- Average sunshine in September: 9h and 0min
The month with the most sunshine is June (Average sunshine: 10h and 36min).
The month with the least sunshine is February (Average sunshine: 5h and 24min).
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).
Average UV index in September
Severn, 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).
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).
The months with the least cloud cover are June and July (Cloud cover 32).
Average visibility in September
Severn, NC
- Average visibility in September: 6mi
The 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).
Severn, North Carolina, USA
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