Click on a day for an hourly weather forecast
The temperatures in Idar Oberstein in September are usually low and can range between 10°C and 19°C.
You can expect about 3 to 8 days of rain in Idar Oberstein 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 Idar Oberstein in September 2026.
If you’re planning to visit Idar Oberstein in the near future, we highly recommend that you review the 14 day weather forecast for Idar Oberstein before you arrive.
| Month | Temperatures | Rainy Days | Dry Days | Snowy Days | Rainfall | Weather | More details |
|---|---|---|---|---|---|---|---|
| January | 3° / -1° | 12 | 17 | 2 | 81 mm | Awful | Idar Oberstein in January |
| February | 5° / -1° | 9 | 17 | 2 | 66 mm | Awful | Idar Oberstein in February |
| March | 9° / 1° | 8 | 22 | 1 | 61 mm | Bad | Idar Oberstein in March |
| April | 14° / 4° | 7 | 23 | 0 | 54 mm | Ok | Idar Oberstein in April |
| May | 17° / 7° | 10 | 21 | 0 | 89 mm | Ok | Idar Oberstein in May |
| June | 21° / 11° | 9 | 21 | 0 | 92 mm | Ok | Idar Oberstein in June |
| July | 23° / 13° | 9 | 22 | 0 | 77 mm | Good | Idar Oberstein in July |
| August | 23° / 13° | 9 | 22 | 0 | 73 mm | Good | Idar Oberstein in August |
| September | 19° / 10° | 7 | 23 | 0 | 71 mm | Ok | Idar Oberstein in September |
| October | 14° / 6° | 8 | 23 | 0 | 73 mm | Ok | Idar Oberstein in October |
| November | 8° / 3° | 9 | 20 | 1 | 80 mm | Bad | Idar Oberstein in November |
| December | 4° / 0° | 13 | 14 | 4 | 105 mm | Awful | Idar Oberstein in December |