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 beginning of September subtly marks a decrease in the average high-temperature, transitioning from a hot 86.7°F (30.4°C) in August to a moderately hot 81.1°F (27.3°C). During September nights, Gaston witnesses a consistent average temperature of 63.5°F (17.5°C).Heat index
The heat index in September is estimated at a tropical 86°F (30°C). Ongoing activity coupled with exposure often results in weariness and could induce heat cramps.Note that heat index values are valued for light wind and location in the shade. Heat index values may rise by up to 15 Fahrenheit (8 Celsius) degrees when exposed to direct sunlight.
Note: The heat index, also known as 'real feel' or 'feels like', determines the feeling of heat when you account for the relative humidity. An individual's perception of weather can be swayed by a variety of elements including metabolic differences, pregnancy status, and their level of physical exertion. Understand that direct sun rays can influence the weather's impact, leading to an increase in the heat index by 15 Fahrenheit (8 Celsius) degrees. Heat index values are highly critical for babies and toddlers. Younglings frequently fail to recognize the requirement to rest and rehydrate. Thirst emerges late in dehydration - it is imperative to keep hydration levels high, particularly during extended physical exertions.
Humidity
In September, the average relative humidity is 77%.Rainfall
In Gaston, North Carolina, during September, the rain falls for 12.5 days and regularly aggregates up to 2.01" (51mm) of precipitation. Throughout the year, there are 156.2 rainfall days, and 27.6" (701mm) of precipitation is accumulated.Snowfall
April through October are months without snowfall.Daylight
The average length of the day in September in Gaston is 12h and 24min.On the first day of the month, sunrise is at 6:42 am and sunset at 7:38 pm. On the last day of September, sunrise is at 7:05 am and sunset at 6:55 pm EDT.
Sunshine
The average sunshine in September in Gaston, North Carolina, is 8.9h.UV index
In Gaston, North Carolina, the average daily maximum UV index in September is 5. A UV Index reading of 3 to 5 represents a moderate threat to health from exposure to the Sun's UV rays for average individuals.Note: A maximum high UV index of 5 in September translates into the following recommendations:
Undertake protective steps - Preventing sun damage is advised. Around midday, solar radiation is most harmful; hence, exposure should be limited. A hat with a broad brim is indispensable, filtering out up to half of UV rays.
Frequently asked questions
What is the usual temperature for Gaston in September?
What is the average humidity in September in Gaston?
How much does it rain in Gaston in September?
When it does not snow in Gaston?
What is the average length of the day in September in Gaston?
When is the sunrise / sunset in September in Gaston?
How many hours of sunshine does Gaston have in September?
What is the UV index intensity in September in Gaston?
Average temperature in September
Gaston, NC
- Average high temperature in September: 81.1°F
The warmest month (with the highest average high temperature) is July (88.7°F).
The month with the lowest average high temperature is January (46.8°F).
- Average low temperature in September: 63.5°F
The month with the highest average low temperature is July (70.2°F).
The coldest month (with the lowest average low temperature) is January (31.8°F).
Average pressure in September
Gaston, 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
Gaston, 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 (5.5mph).
Average humidity in September
Gaston, NC
- Average humidity in September: 77%
The month with the highest relative humidity is May (79%).
The months with the lowest relative humidity are January, April, July and November (74%).
Average rainfall in September
Gaston, NC
- Average rainfall in September: 2.01"
The wettest month (with the highest rainfall) is August (3.07").
The driest month (with the least rainfall) is October (1.85").
Average rainfall days in September
Gaston, NC
- Average rainfall days in September: 12.5 days
The month with the highest number of rainy days is May (17.8 days).
The month with the least rainy days is November (9.3 days).
Average snowfall in September
Gaston, NC
- Average snowfall in September: 0"
The month with the highest snowfall is February (1.3").
The months with the least snowfall are April, May, June, July, August, September and October (0").
Average snowfall days in September
Gaston, NC
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is February (2.6 days).
The months with the least snowfall days are May, June, July, August, September and October (0 days).
Average daylight in September /
Average sunshine in September
Gaston, 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: 8h and 5min
The months with the most sunshine are June and July (Average sunshine: 10h and 42min).
The months with the least sunshine are January and December (Average sunshine: 5h and 30min).
Average sunshine days in September
Gaston, NC
- Average sunshine days in September: 15.7 days
The month with the most sunshine days is November (19.7 days).
The month with the least sunshine days is May (11.5 days).
Average UV index in September
Gaston, 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
Gaston, NC
- Average cloud cover in September: 38
The month with the most cloud cover is March (Cloud cover 44).
The months with the least cloud cover are June and July (Cloud cover 31).
Average visibility in September
Gaston, 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).
Gaston, North Carolina, USA
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