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
As Grassy Creek enters September, the average high-temperature subtly lowers from the 79.2°F (26.2°C) of August to a still moderately hot 73.8°F (23.2°C). Throughout September, an average low-temperature of 53.6°F (12°C) is expected in Grassy Creek.Humidity
May and September, with an average relative humidity of 80%, are the most humid months in Grassy Creek.Rainfall
September is the month with the least rainfall. Rain falls for 10 days and accumulates 1.26" (32mm) of precipitation.Snowfall
June through September are months without snowfall in Grassy Creek, North Carolina.Daylight
In Grassy Creek, the average length of the day in September is 12h and 24min.On the first day of the month, sunrise is at 6:57 am and sunset at 7:53 pm. On the last day of September, sunrise is at 7:20 am and sunset at 7:10 pm EDT.
Sunshine
In Grassy Creek, the average sunshine in September is 8h.UV index
The average daily maximum UV index in September in Grassy Creek, North Carolina, is 4. A UV Index of 3 to 5 symbolizes a moderate health risk from exposure to the Sun's UV rays for ordinary individuals.Note: A typical high UV index of 4 in September suggests the following recommendations:
Make use of precautions - Shielding skin and eyes from injury is a requirement. Avoiding direct sunlight during midday hours helps reduce the risk from intense UV radiation. In bright sunlight, prioritize sunglasses that grant protection from UVA and UVB radiation.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the average September temperature in Grassy Creek?
What is the most humid month in Grassy Creek?
What is the average humidity in September in Grassy Creek?
What is the driest month in Grassy Creek?
How many days does it rain in September in Grassy Creek?
When it does not snow in Grassy Creek?
Does it snow in Grassy Creek in September?
What is the average length of the day in September in Grassy Creek?
When are sunrise and sunset in September in Grassy Creek?
How long on average sun shines in September in Grassy Creek?
How high is the UV index in September in Grassy Creek?
Average temperature in September
Grassy Creek, NC
- Average high temperature in September: 73.8°F
The warmest month (with the highest average high temperature) is July (80.4°F).
The month with the lowest average high temperature is January (38.8°F).
- Average low temperature in September: 53.6°F
The month with the highest average low temperature is July (59.9°F).
The coldest month (with the lowest average low temperature) is January (24.4°F).
Average pressure in September
Grassy Creek, NC
- Average pressure in September: 30.06"Hg
The month with the highest atmospheric pressure is November (30.16"Hg).
The month with the lowest atmospheric pressure is June (29.99"Hg).
Average wind speed in September
Grassy Creek, NC
- Average wind speed in September: 4.6mph
The windiest month (with the highest average wind speed) is January (8.1mph).
The calmest month (with the lowest average wind speed) is August (4.2mph).
Average humidity in September
Grassy Creek, NC
- Average humidity in September: 80%
The months with the highest relative humidity are May and September (80%).
The month with the lowest relative humidity is November (76%).
Average rainfall in September
Grassy Creek, NC
- Average rainfall in September: 1.26"
The wettest month (with the highest rainfall) is February (2.28").
The driest month (with the least rainfall) is September (1.26").
Average rainfall days in September
Grassy Creek, NC
- Average rainfall days in September: 10 days
The month with the highest number of rainy days is July (15.5 days).
The month with the least rainy days is November (6.1 days).
Average snowfall in September
Grassy Creek, NC
- Average snowfall in September: 0"
The month with the highest snowfall is December (4.76").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in September
Grassy Creek, NC
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is February (5.2 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in September /
Average sunshine in September
Grassy Creek, 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 0min
The month with the most sunshine is June (Average sunshine: 10h and 12min).
The months with the least sunshine are January and December (Average sunshine: 5h and 12min).
Average sunshine days in September
Grassy Creek, NC
- Average sunshine days in September: 18.7 days
The month with the most sunshine days is November (23.4 days).
The month with the least sunshine days is July (14.2 days).
Average UV index in September
Grassy Creek, NC
- Average UV index in September: 4
The months with the highest UV index are May, June, July and August (UV index 5).
The months with the lowest UV index are January, February, November and December (UV index 2).
Average cloud cover in September
Grassy Creek, NC
- Average cloud cover in September: 43
The month with the most cloud cover is February (Cloud cover 51).
The months with the least cloud cover are June and July (Cloud cover 36).
Average visibility in September
Grassy Creek, NC
- Average visibility in September: 4mi
The month with the highest visibility is November (6mi).
The month with the lowest visibility is September (4mi).
Grassy Creek, North Carolina, USA
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