Click on a day for an hourly weather forecast
The temperatures in Speyer in September are comfortable with low of 11°C and and high up to 21°C.
You can expect about 3 to 8 days of rain in Speyer 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 Speyer in September 2026.
If you’re planning to visit Speyer in the near future, we highly recommend that you review the 14 day weather forecast for Speyer before you arrive.
| Month | Temperatures | Rainy Days | Dry Days | Snowy Days | Rainfall | Weather | More details |
|---|---|---|---|---|---|---|---|
| January | 4° / 0° | 9 | 13 | 9 | 79 mm | Awful | Speyer in January |
| February | 6° / 0° | 8 | 14 | 7 | 74 mm | Awful | Speyer in February |
| March | 11° / 3° | 6 | 22 | 3 | 60 mm | Bad | Speyer in March |
| April | 16° / 6° | 4 | 25 | 1 | 43 mm | Good | Speyer in April |
| May | 19° / 9° | 7 | 24 | 0 | 114 mm | Ok | Speyer in May |
| June | 23° / 12° | 5 | 25 | 0 | 97 mm | Perfect | Speyer in June |
| July | 25° / 14° | 6 | 25 | 0 | 119 mm | Perfect | Speyer in July |
| August | 26° / 15° | 5 | 26 | 0 | 88 mm | Perfect | Speyer in August |
| September | 21° / 11° | 4 | 26 | 0 | 61 mm | Good | Speyer in September |
| October | 15° / 7° | 6 | 25 | 0 | 66 mm | Good | Speyer in October |
| November | 9° / 4° | 7 | 21 | 2 | 69 mm | Awful | Speyer in November |
| December | 6° / 1° | 10 | 15 | 6 | 93 mm | Awful | Speyer in December |