Click on a day for an hourly weather forecast
The temperatures in Osijek in September are comfortable with low of 14°C and and high up to 25°C.
You can expect about 3 to 8 days of rain in Osijek 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 Osijek in September 2025.
If you’re planning to visit Osijek in the near future, we highly recommend that you review the 14 day weather forecast for Osijek before you arrive.
| Month | Temperatures | Rainy Days | Dry Days | Snowy Days | Rainfall | Weather | More details |
|---|---|---|---|---|---|---|---|
| January | 4° / -1° | 6 | 17 | 8 | 77 mm | Awful | Osijek in January |
| February | 7° / 1° | 7 | 16 | 6 | 82 mm | Awful | Osijek in February |
| March | 12° / 4° | 6 | 23 | 3 | 73 mm | Bad | Osijek in March |
| April | 18° / 8° | 5 | 24 | 1 | 68 mm | Good | Osijek in April |
| May | 22° / 11° | 9 | 22 | 0 | 134 mm | Ok | Osijek in May |
| June | 26° / 15° | 6 | 24 | 0 | 111 mm | Perfect | Osijek in June |
| July | 29° / 17° | 4 | 27 | 0 | 74 mm | Good | Osijek in July |
| August | 30° / 17° | 3 | 28 | 0 | 48 mm | Good | Osijek in August |
| September | 25° / 14° | 4 | 26 | 0 | 64 mm | Perfect | Osijek in September |
| October | 18° / 9° | 5 | 26 | 0 | 80 mm | Good | Osijek in October |
| November | 12° / 6° | 5 | 24 | 1 | 61 mm | Ok | Osijek in November |
| December | 6° / 1° | 6 | 22 | 4 | 73 mm | Awful | Osijek in December |