Click on a day for an hourly weather forecast
The temperatures in Sibiu in September are quite cold with temperatures between 9°C and 23°C, warm clothes are a must.
You can expect about 3 to 8 days of rain in Sibiu 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 Sibiu in September 2025.
If you’re planning to visit Sibiu in the near future, we highly recommend that you review the 14 day weather forecast for Sibiu before you arrive.
| Month | Temperatures | Rainy Days | Dry Days | Snowy Days | Rainfall | Weather | More details |
|---|---|---|---|---|---|---|---|
| January | 2° / -7° | 9 | 8 | 15 | 67 mm | Awful | Sibiu in January |
| February | 5° / -4° | 8 | 9 | 12 | 69 mm | Awful | Sibiu in February |
| March | 9° / -1° | 8 | 15 | 8 | 105 mm | Awful | Sibiu in March |
| April | 15° / 3° | 9 | 19 | 2 | 125 mm | Bad | Sibiu in April |
| May | 20° / 6° | 15 | 17 | 0 | 193 mm | Ok | Sibiu in May |
| June | 24° / 10° | 15 | 15 | 0 | 223 mm | Good | Sibiu in June |
| July | 26° / 12° | 10 | 21 | 0 | 172 mm | Good | Sibiu in July |
| August | 28° / 12° | 6 | 25 | 0 | 117 mm | Perfect | Sibiu in August |
| September | 23° / 9° | 4 | 26 | 0 | 71 mm | Perfect | Sibiu in September |
| October | 16° / 5° | 6 | 25 | 1 | 88 mm | Good | Sibiu in October |
| November | 11° / 2° | 5 | 22 | 3 | 74 mm | Bad | Sibiu in November |
| December | 4° / -4° | 6 | 14 | 11 | 71 mm | Awful | Sibiu in December |