Click on a day for an hourly weather forecast
The temperatures in Spartanburg in September are comfortable with low of 18°C and and high up to 29°C.
You can expect about 3 to 8 days of rain in Spartanburg 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 Spartanburg in September 2025.
If you’re planning to visit Spartanburg in the near future, we highly recommend that you review the 14 day weather forecast for Spartanburg before you arrive.
| Month | Temperatures | Rainy Days | Dry Days | Snowy Days | Rainfall | Weather | More details |
|---|---|---|---|---|---|---|---|
| January | 10° / 1° | 6 | 24 | 1 | 122 mm | Ok | Spartanburg in January |
| February | 13° / 3° | 7 | 20 | 2 | 131 mm | Awful | Spartanburg in February |
| March | 17° / 7° | 7 | 23 | 1 | 125 mm | Ok | Spartanburg in March |
| April | 22° / 11° | 6 | 24 | 0 | 128 mm | Good | Spartanburg in April |
| May | 27° / 16° | 7 | 24 | 0 | 145 mm | Good | Spartanburg in May |
| June | 32° / 20° | 5 | 25 | 0 | 114 mm | Good | Spartanburg in June |
| July | 33° / 21° | 6 | 25 | 0 | 135 mm | Good | Spartanburg in July |
| August | 32° / 21° | 5 | 26 | 0 | 132 mm | Good | Spartanburg in August |
| September | 29° / 18° | 5 | 25 | 0 | 124 mm | Good | Spartanburg in September |
| October | 23° / 12° | 4 | 27 | 0 | 101 mm | Perfect | Spartanburg in October |
| November | 16° / 6° | 5 | 25 | 0 | 106 mm | Good | Spartanburg in November |
| December | 12° / 4° | 6 | 24 | 1 | 138 mm | Ok | Spartanburg in December |