Average Sunshine in North Carolina for September
Number of Sunny Days
In the table below, the average number of Sunny Days for a city in North Carolina is the total days this month when the sky is mostly clear. This includes the days when cloud covers up to 30% of the sky during daylight hours.
Partly Sunny Days have cloud covering from 40% to 70% of the sky during the daytime. The rest of the days during September are mainly overcast, with at least 80% cloud cover.
Total Days With Sun is a sum of the Sunny plus Partly Sunny days. All the numbers are averages, made from years of weather watching, for total days in the month.
| City | Sunny | Partly Sunny | Total Days With Sun |
|---|---|---|---|
| Asheville | 7 | 11 | 18 |
| Cape Hatteras | 10 | 9 | 19 |
| Charlotte | 9 | 9 | 18 |
| Greensboro | 10 | 9 | 19 |
| Raleigh | 10 | 9 | 19 |
| Wilmington | 8 | 10 | 18 |
Amount of Sun
Here's another way to look at how much sunshine a city gets. The % Sun number measures the percentage of time between sunrise and sunset that sunshine reaches the ground. Again, these amounts are monthly averages based on many years of weather observations.
| City | % Sun |
|---|---|
| Asheville | 56 |
| Cape Hatteras | 64 |
| Charlotte | 64 |
| Greensboro | 62 |
| Raleigh | 58 |
| Wilmington | 61 |
Reference
National Climatic Data Center. Comparative Climatic Data.