Click on a day for an hourly weather forecast
The temperatures in Blonduos in September are quite cold with temperatures between 5°C and 9°C, warm clothes are a must.
You can expect rain for roughly half of the month of September in Blonduos. 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.
You can expect a few days of snow in Blonduos during September. It’s important to get out your snow boots and warm mittens to stay warm while you explore Blonduos.
Our weather forecast can give you a great sense of what weather to expect in Blonduos in September 2025.
If you’re planning to visit Blonduos in the near future, we highly recommend that you review the 14 day weather forecast for Blonduos before you arrive.
| Month | Temperatures | Rainy Days | Dry Days | Snowy Days | Rainfall | Weather | More details |
|---|---|---|---|---|---|---|---|
| January | 0° / -4° | 7 | 7 | 17 | 73 mm | Awful | Blonduos in January |
| February | 0° / -4° | 6 | 7 | 15 | 64 mm | Awful | Blonduos in February |
| March | 1° / -3° | 7 | 7 | 17 | 67 mm | Awful | Blonduos in March |
| April | 3° / -1° | 6 | 12 | 12 | 57 mm | Awful | Blonduos in April |
| May | 7° / 3° | 6 | 19 | 6 | 50 mm | Bad | Blonduos in May |
| June | 11° / 6° | 5 | 24 | 1 | 42 mm | Ok | Blonduos in June |
| July | 12° / 8° | 6 | 25 | 0 | 63 mm | Ok | Blonduos in July |
| August | 12° / 7° | 6 | 24 | 0 | 65 mm | Ok | Blonduos in August |
| September | 9° / 5° | 9 | 19 | 3 | 95 mm | Awful | Blonduos in September |
| October | 5° / 2° | 11 | 12 | 8 | 88 mm | Awful | Blonduos in October |
| November | 1° / -2° | 6 | 11 | 13 | 82 mm | Awful | Blonduos in November |
| December | -1° / -4° | 6 | 9 | 16 | 71 mm | Awful | Blonduos in December |