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
South Gastonia's progression into September involves a gentle drop in the average high-temperature, from a hot 88.7°F (31.5°C) in August to a moderately hot 82.9°F (28.3°C). South Gastonia reports an average low-temperature of 63.5°F (17.5°C) during the nights of September.Heat index
During September, the heat index is evaluated at a hot 89.6°F (32°C). With ongoing exposure and activity, one might experience weariness, and heat cramps could ensue.Always consider that heat index estimations are for light winds and places in the shade. Being exposed to direct sunshine might trigger a heat index increase by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'felt air temperature' or 'apparent temperature', comes about by integrating the temperature readings with the humidity levels. A person's impression of weather can be shaped by several aspects, among them metabolic variations, pregnancy, and levels of 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 of high significance for children. Young ones are generally at greater risk than adults due to their limited sweating ability. In addition, their large skin surface relative to their small bodies and higher heat production from their activities add to their vulnerability.
Humidity
In September, the average relative humidity is 73%.Rainfall
In South Gastonia, during September, the rain falls for 12.5 days and regularly aggregates up to 2.17" (55mm) of precipitation. Throughout the year, there are 164 rainfall days, and 32.91" (836mm) of precipitation is accumulated.Snowfall
April through October are months without snowfall.Daylight
In South Gastonia, the average length of the day in September is 12h and 23min.On the first day of the month, sunrise is at 6:57 am and sunset at 7:51 pm. On the last day of September, sunrise is at 7:19 am and sunset at 7:09 pm EDT.
Sunshine
In September, the average sunshine in South Gastonia, North Carolina, is 8.7h.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 unsafe exposure to UV radiation for the ordinary person.Note: The maximum UV index of 5 during September leads to these instructions:
Exercise prevention - Protecting skin and eyes from harm is required. Avoiding the Sun's peak radiation during midday hours is essential for health and safety. To cut down UV radiation exposure by about half, sport a wide-brim hat.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
How hot is it in South Gastonia in September?
What is the average humidity in September?
How many days does it rain in September?
When it does not snow?
How many hours of daylight does South Gastonia have in September?
What time are sunrise and sunset in September?
How many hours of sunshine does South Gastonia have in September?
What is the UV index reading in September?
Average temperature in September
South Gastonia, NC
- Average high temperature in September: 82.9°F
The warmest month (with the highest average high temperature) is July (90.5°F).
The month with the lowest average high temperature is January (48.7°F).
- Average low temperature in September: 63.5°F
The month with the highest average low temperature is July (69.4°F).
The coldest month (with the lowest average low temperature) is January (33.1°F).
Average pressure in September
South Gastonia, NC
- Average pressure in September: 30.04"Hg
The month with the highest atmospheric pressure is November (30.15"Hg).
The month with the lowest atmospheric pressure is June (29.98"Hg).
Average wind speed in September
South Gastonia, NC
- Average wind speed in September: 5mph
The windiest month (with the highest average wind speed) is April (7.3mph).
The calmest month (with the lowest average wind speed) is August (4.2mph).
Average humidity in September
South Gastonia, NC
- Average humidity in September: 73%
The months with the highest relative humidity are May and December (75%).
The month with the lowest relative humidity is July (70%).
Average rainfall in September
South Gastonia, NC
- Average rainfall in September: 2.17"
The wettest month (with the highest rainfall) is August (3.46").
The driest month (with the least rainfall) is October (2.13").
Average rainfall days in September
South Gastonia, NC
- Average rainfall days in September: 12.5 days
The month with the highest number of rainy days is July (18.7 days).
The month with the least rainy days is November (9.4 days).
Average snowfall in September
South Gastonia, NC
- Average snowfall in September: 0"
The month with the highest snowfall is December (2.09").
The months with the least snowfall are April, May, June, July, August, September and October (0").
Average snowfall days in September
South Gastonia, NC
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is February (2.1 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
South Gastonia, 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: 8h and 4min
The month with the most sunshine is July (Average sunshine: 10h and 54min).
The month with the least sunshine is December (Average sunshine: 5h and 24min).
Average sunshine days in September
South Gastonia, NC
- Average sunshine days in September: 15.5 days
The month with the most sunshine days is October (19.5 days).
The month with the least sunshine days is July (10.3 days).
Average UV index in September
South Gastonia, NC
- Average UV index in September: 5
The months with the highest UV index are May, June, July and August (UV index 6).
The months with the lowest UV index are January and December (UV index 2).
Average cloud cover in September
South Gastonia, NC
- Average cloud cover in September: 33
The months with the most cloud cover are February and December (Cloud cover 42).
The months with the least cloud cover are June and July (Cloud cover 29).
Average visibility in September
South Gastonia, 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).
South Gastonia, North Carolina, USA
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