Click on a day for an hourly weather forecast
The temperatures in Opole in September are usually low and can range between 12°C and 20°C.
You can expect about 3 to 8 days of rain in Opole 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 Opole in September 2026.
If you’re planning to visit Opole in the near future, we highly recommend that you review the 14 day weather forecast for Opole before you arrive.
| Month | Temperatures | Rainy Days | Dry Days | Snowy Days | Rainfall | Weather | More details |
|---|---|---|---|---|---|---|---|
| January | 1° / -3° | 7 | 8 | 17 | 63 mm | Awful | Opole in January |
| February | 3° / -2° | 6 | 11 | 12 | 52 mm | Awful | Opole in February |
| March | 9° / 1° | 6 | 19 | 6 | 59 mm | Bad | Opole in March |
| April | 15° / 5° | 5 | 23 | 2 | 55 mm | Ok | Opole in April |
| May | 19° / 9° | 8 | 23 | 0 | 103 mm | Ok | Opole in May |
| June | 23° / 13° | 7 | 23 | 0 | 119 mm | Good | Opole in June |
| July | 25° / 15° | 6 | 25 | 0 | 115 mm | Perfect | Opole in July |
| August | 26° / 16° | 4 | 27 | 0 | 83 mm | Perfect | Opole in August |
| September | 20° / 12° | 6 | 24 | 0 | 84 mm | Good | Opole in September |
| October | 14° / 7° | 5 | 25 | 1 | 73 mm | Good | Opole in October |
| November | 9° / 4° | 5 | 22 | 4 | 53 mm | Bad | Opole in November |
| December | 3° / -1° | 7 | 15 | 10 | 57 mm | Awful | Opole in December |