Click on a day for an hourly weather forecast
The temperatures in Pirna in September are usually low and can range between 11°C and 20°C.
You can expect about 3 to 8 days of rain in Pirna 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 Pirna in September 2025.
If you’re planning to visit Pirna in the near future, we highly recommend that you review the 14 day weather forecast for Pirna before you arrive.
| Month | Temperatures | Rainy Days | Dry Days | Snowy Days | Rainfall | Weather | More details |
|---|---|---|---|---|---|---|---|
| January | 2° / -3° | 13 | 14 | 4 | 64 mm | Awful | Pirna in January |
| February | 4° / -2° | 9 | 17 | 3 | 46 mm | Awful | Pirna in February |
| March | 9° / 1° | 7 | 22 | 2 | 50 mm | Bad | Pirna in March |
| April | 14° / 4° | 6 | 24 | 0 | 45 mm | Good | Pirna in April |
| May | 18° / 8° | 7 | 24 | 0 | 60 mm | Ok | Pirna in May |
| June | 23° / 12° | 9 | 21 | 0 | 78 mm | Good | Pirna in June |
| July | 24° / 14° | 9 | 22 | 0 | 86 mm | Good | Pirna in July |
| August | 25° / 14° | 9 | 22 | 0 | 83 mm | Good | Pirna in August |
| September | 20° / 11° | 7 | 23 | 0 | 63 mm | Ok | Pirna in September |
| October | 14° / 7° | 6 | 25 | 0 | 55 mm | Good | Pirna in October |
| November | 8° / 3° | 6 | 23 | 1 | 50 mm | Ok | Pirna in November |
| December | 4° / -1° | 10 | 18 | 3 | 61 mm | Awful | Pirna in December |