Click on a day for an hourly weather forecast
The temperatures in Raleigh in September are comfortable with low of 19°C and and high up to 28°C.
You can expect about 3 to 8 days of rain in Raleigh during the month of September. It’s a good idea to bring along your umbrella so that you don’t get caught in poor weather.
Our weather forecast can give you a great sense of what weather to expect in Raleigh in September 2025.
If you’re planning to visit Raleigh in the near future, we highly recommend that you review the 14 day weather forecast for Raleigh before you arrive.
| Month | Temperatures | Rainy Days | Dry Days | Snowy Days | Rainfall | Weather | More details |
|---|---|---|---|---|---|---|---|
| January | 9° / 1° | 6 | 22 | 3 | 110 mm | Bad | Raleigh in January |
| February | 12° / 3° | 7 | 19 | 3 | 119 mm | Awful | Raleigh in February |
| March | 16° / 6° | 8 | 22 | 1 | 124 mm | Ok | Raleigh in March |
| April | 21° / 11° | 6 | 24 | 0 | 126 mm | Good | Raleigh in April |
| May | 26° / 16° | 8 | 23 | 0 | 153 mm | Good | Raleigh in May |
| June | 30° / 20° | 7 | 23 | 0 | 147 mm | Ok | Raleigh in June |
| July | 32° / 22° | 9 | 22 | 0 | 161 mm | Ok | Raleigh in July |
| August | 31° / 21° | 8 | 23 | 0 | 163 mm | Ok | Raleigh in August |
| September | 28° / 19° | 7 | 23 | 0 | 177 mm | Good | Raleigh in September |
| October | 22° / 13° | 4 | 27 | 0 | 98 mm | Good | Raleigh in October |
| November | 15° / 7° | 5 | 25 | 0 | 113 mm | Good | Raleigh in November |
| December | 12° / 4° | 6 | 24 | 1 | 116 mm | Ok | Raleigh in December |