Click on a day for an hourly weather forecast
The temperatures in Weinheim in September are comfortable with low of 12°C and and high up to 21°C.
You can expect about 3 to 8 days of rain in Weinheim 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 Weinheim in September 2026.
If you’re planning to visit Weinheim in the near future, we highly recommend that you review the 14 day weather forecast for Weinheim before you arrive.
| Month | Temperatures | Rainy Days | Dry Days | Snowy Days | Rainfall | Weather | More details |
|---|---|---|---|---|---|---|---|
| January | 5° / 0° | 9 | 20 | 2 | 62 mm | Awful | Weinheim in January |
| February | 7° / 0° | 6 | 21 | 1 | 45 mm | Ok | Weinheim in February |
| March | 11° / 3° | 6 | 24 | 1 | 48 mm | Ok | Weinheim in March |
| April | 16° / 6° | 6 | 24 | 0 | 45 mm | Good | Weinheim in April |
| May | 20° / 9° | 8 | 23 | 0 | 73 mm | Ok | Weinheim in May |
| June | 24° / 13° | 8 | 22 | 0 | 70 mm | Good | Weinheim in June |
| July | 26° / 15° | 7 | 24 | 0 | 60 mm | Good | Weinheim in July |
| August | 26° / 16° | 8 | 23 | 0 | 59 mm | Good | Weinheim in August |
| September | 21° / 12° | 6 | 24 | 0 | 55 mm | Good | Weinheim in September |
| October | 16° / 8° | 7 | 24 | 0 | 56 mm | Ok | Weinheim in October |
| November | 10° / 4° | 7 | 23 | 0 | 57 mm | Bad | Weinheim in November |
| December | 6° / 1° | 11 | 18 | 2 | 76 mm | Awful | Weinheim in December |