Click on a day for an hourly weather forecast
The temperatures in Olden in September are quite cold with temperatures between 9°C and 13°C, warm clothes are a must.
You can expect rain for roughly half of the month of September in Olden. 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 Olden in September 2025.
If you’re planning to visit Olden in the near future, we highly recommend that you review the 14 day weather forecast for Olden before you arrive.
| Month | Temperatures | Rainy Days | Dry Days | Snowy Days | Rainfall | Weather | More details |
|---|---|---|---|---|---|---|---|
| January | 1° / -2° | 11 | 7 | 14 | 156 mm | Awful | Olden in January |
| February | 1° / -2° | 9 | 6 | 14 | 146 mm | Awful | Olden in February |
| March | 3° / -1° | 12 | 6 | 14 | 196 mm | Awful | Olden in March |
| April | 6° / 2° | 10 | 11 | 9 | 134 mm | Awful | Olden in April |
| May | 10° / 6° | 9 | 18 | 4 | 101 mm | Awful | Olden in May |
| June | 13° / 9° | 10 | 20 | 0 | 137 mm | Bad | Olden in June |
| July | 16° / 11° | 7 | 24 | 0 | 117 mm | Ok | Olden in July |
| August | 15° / 11° | 8 | 23 | 0 | 156 mm | Ok | Olden in August |
| September | 13° / 9° | 12 | 18 | 0 | 187 mm | Bad | Olden in September |
| October | 8° / 6° | 12 | 18 | 1 | 177 mm | Bad | Olden in October |
| November | 4° / 2° | 10 | 15 | 5 | 142 mm | Awful | Olden in November |
| December | 2° / -1° | 12 | 8 | 12 | 191 mm | Awful | Olden in December |