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 arrival of September sees a recorded average high-temperature of a moderately hot 82.4°F (28°C), showing little divergence from the previous month's conditions. Nighttime temperature lowers to an average of 65.3°F (18.5°C) in September.Heat index
September's average heat index is computed to be a hot 89.6°F (32°C). Exhaustion is likely with prolonged exposure and activity. Sustaining activity may result in heat cramps.Understanding the heat index involves considering values for shaded locales with light wind. The heat index could experience an increase of 15 Fahrenheit (8 Celsius) degrees due to direct sunlight.
Note: The heat index, also known as 'felt air temperature' or 'real feel', is an estimation of the warmth sensation when considering humidity levels. A person's impression of weather can be shaped by several aspects, among them metabolic variations, pregnancy, and levels of physical activity. Awareness of direct sun exposure is crucial as it has the potential to heighten the weather's effects, pushing up the heat index by 15 Fahrenheit (8 Celsius) degrees. Heat index values are extremely significant for children. Young children are generally more endangered than adults, as they usually less sweat. And also, due to larger skin surface relative to their small bodies and higher heat production as a result of their activity.
Humidity
The months with the highest humidity are May and September, with an average relative humidity of 77%.Rainfall
In Vander, during September, the rain falls for 12.9 days and regularly aggregates up to 3.19" (81mm) of precipitation. Throughout the year, there are 160.2 rainfall days, and 31.73" (806mm) of precipitation is accumulated.Snowfall
In Vander, snow does not fall in April through October.Daylight
The average length of the day in September is 12h and 23min.On the first day of the month, sunrise is at 6:48 am and sunset at 7:41 pm. On the last day of September, sunrise is at 7:09 am and sunset at 7:00 pm EDT.
Sunshine
In September, the average sunshine is 9h.UV index
In September, the average daily maximum UV index is 6. A UV Index estimate of 6 to 7 represents a high health hazard from unsafe exposure to UV radiation for average individuals.Note: A maximum UV index of 6 in September translates into the following recommendations:
Adhere to precautions and respect sun safety doctrines. Avoiding sunburn is vital. Avoid direct Sun exposure and seek shade from 10 a.m. to 4 p.m., the period of highest UV radiation. Remember, however, that not all shade structures offer full protection. Employ a hat with a wide brim for robust protection, cutting UV exposure by half.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Is it hot during September?
What are the most humid months?
What is the average humidity in September in Vander?
How many days does it rain in September?
When it does not snow?
What is the average length of the day in September?
When are sunrise and sunset in September?
How many hours of sunshine does Vander have in September?
What is the UV index reading in September in Vander?
Average temperature in September
Vander, NC
- Average high temperature in September: 82.4°F
The warmest month (with the highest average high temperature) is July (89.2°F).
The month with the lowest average high temperature is January (50.2°F).
- Average low temperature in September: 65.3°F
The month with the highest average low temperature is July (72°F).
The coldest month (with the lowest average low temperature) is January (34.7°F).
Average pressure in September
Vander, NC
- Average pressure in September: 30.02"Hg
The months with the highest atmospheric pressure are January, November and December (30.14"Hg).
The month with the lowest atmospheric pressure is June (29.96"Hg).
Average wind speed in September
Vander, NC
- Average wind speed in September: 6.6mph
The windiest month (with the highest average wind speed) is April (8.6mph).
The calmest month (with the lowest average wind speed) is August (5.7mph).
Average humidity in September
Vander, NC
- Average humidity in September: 77%
The months with the highest relative humidity are May and September (77%).
The month with the lowest relative humidity is November (72%).
Average rainfall in September
Vander, NC
- Average rainfall in September: 3.19"
The wettest month (with the highest rainfall) is August (3.43").
The driest month (with the least rainfall) is January (1.89").
Average rainfall days in September
Vander, NC
- Average rainfall days in September: 12.9 days
The months with the highest number of rainy days are June, July and August (17 days).
The month with the least rainy days is October (9.3 days).
Average snowfall in September
Vander, NC
- Average snowfall in September: 0"
The month with the highest snowfall is February (0.71").
The months with the least snowfall are April, May, June, July, August, September and October (0").
Average snowfall days in September
Vander, NC
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is January (1.2 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
Vander, NC
- Average daylight in September: 12h and 2min
The month with the longest days is June (Average daylight: 14h and 30min).
The month with the shortest days is December (Average daylight: 9h and 48min).
- Average sunshine in September: 9h and 0min
The month with the most sunshine is July (Average sunshine: 10h and 36min).
The month with the least sunshine is December (Average sunshine: 5h and 24min).
Average sunshine days in September
Vander, NC
- Average sunshine days in September: 15.3 days
The month with the most sunshine days is October (19.9 days).
The month with the least sunshine days is June (11.8 days).
Average UV index in September
Vander, NC
- Average UV index in September: 6
The 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
Vander, NC
- Average cloud cover in September: 35
The month with the most cloud cover is February (Cloud cover 43).
The months with the least cloud cover are June, July and October (Cloud cover 32).
Average visibility in September
Vander, 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).
Vander, North Carolina, USA
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