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
With the beginning of September, the average high-temperature in Gastonia shows a small decrease, transitioning from a hot 88.7°F (31.5°C) in August to a moderately hot 82.9°F (28.3°C). In September, the nighttime temperature lowers to an average of 63.5°F (17.5°C).Heat index
Throughout September, the heat index is estimated at a hot 89.6°F (32°C). A sense of exhaustion might occur with extended exposure and activity, potentially causing heat cramps.Keep in mind the heat index values are meant for areas in shade and with light wind. The heat index has the potential to rise by 15 Fahrenheit (8 Celsius) degrees with direct sunshine exposure.
Note: The heat index, also known as 'apparent temperature' or 'real feel', is a metric representing the sensation of warmth when air temperature and moisture come together. Physical activity, clothing, and metabolic variations are additional factors that impact an individual's perception of temperature. When directly under the sun, the weather's impact can intensify, possibly boosting the heat index by 15 Fahrenheit (8 Celsius) degrees. Heat index values are quite important for children. Children frequently underestimate the necessity to rest and hydrate. Thirst is a late sign of dehydration - thus, it is vital to stay hydrated, particularly during lengthy physical exercises.
Humidity
In September, the average relative humidity in Gastonia is 73%.Rainfall
In Gastonia, during September, the rain falls for 12.5 days and regularly aggregates up to 2.17" (55mm) of precipitation. In Gastonia, during the entire year, the rain falls for 164 days and collects up to 32.91" (836mm) of precipitation.Snowfall
April through October are months without snowfall.Daylight
In September, the average length of the day in Gastonia is 12h and 23min.On the first day of September in Gastonia, sunrise is at 6:57 am and sunset at 7:51 pm. On the last day of the month, sunrise is at 7:19 am and sunset at 7:09 pm EDT.
Sunshine
The average sunshine in September is 8.7h.UV index
In Gastonia, the average daily maximum UV index in September is 5. A UV Index of 3 to 5 symbolizes a moderate health risk from unprotected exposure to Sun's UV rays for ordinary individuals.Note: An average maximum UV index of 5 in September leads to these recommendations:
Undertake precautions - Obligation exists to protect against skin and eye damage. To guard against the harmful effects of the Sun, minimize exposure during midday. For holistic sun protection encompassing the eyes, ears, face, and neck, a wide-brim hat is key.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
How hot is it in Gastonia in September?
What is the average humidity in September in Gastonia?
How many days does it rain in September in Gastonia?
When it does not snow in Gastonia?
What is the average length of the day in September in Gastonia?
What time are sunrise and sunset in September in Gastonia?
How many hours of sunshine does Gastonia have in September?
What is the UV index intensity in September in Gastonia?
Average temperature in September
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
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
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
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
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
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
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
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
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
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
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
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
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).
Gastonia, North Carolina, USA
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