Click on a day for an hourly weather forecast
The temperatures in Juist in September are comfortable with low of 15°C and and high up to 17°C.
You can expect rain for roughly half of the month of September in Juist. We’re expecting roughly 8 to 15 days of rain, so your rubber boots and umbrella are going to see plenty of use this month if you’re keen on staying dry.
Our weather forecast can give you a great sense of what weather to expect in Juist in September 2026.
If you’re planning to visit Juist in the near future, we highly recommend that you review the 14 day weather forecast for Juist before you arrive.
| Month | Temperatures | Rainy Days | Dry Days | Snowy Days | Rainfall | Weather | More details |
|---|---|---|---|---|---|---|---|
| January | 6° / 4° | 9 | 21 | 1 | 80 mm | Awful | Juist in January |
| February | 5° / 3° | 8 | 20 | 0 | 61 mm | Awful | Juist in February |
| March | 6° / 4° | 5 | 25 | 0 | 45 mm | Bad | Juist in March |
| April | 9° / 7° | 5 | 25 | 0 | 38 mm | Ok | Juist in April |
| May | 12° / 10° | 5 | 26 | 0 | 53 mm | Ok | Juist in May |
| June | 15° / 13° | 7 | 23 | 0 | 72 mm | Ok | Juist in June |
| July | 18° / 16° | 8 | 23 | 0 | 90 mm | Ok | Juist in July |
| August | 19° / 17° | 10 | 21 | 0 | 114 mm | Ok | Juist in August |
| September | 17° / 15° | 9 | 22 | 0 | 108 mm | Ok | Juist in September |
| October | 14° / 12° | 10 | 21 | 0 | 110 mm | Ok | Juist in October |
| November | 11° / 9° | 10 | 20 | 0 | 102 mm | Bad | Juist in November |
| December | 8° / 6° | 12 | 19 | 0 | 101 mm | Bad | Juist in December |