Click on a day for an hourly weather forecast
The temperatures in Campbell River in September are usually low and can range between 10°C and 18°C.
You can expect rain for roughly half of the month of September in Campbell River. 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 Campbell River in September 2025.
If you’re planning to visit Campbell River in the near future, we highly recommend that you review the 14 day weather forecast for Campbell River before you arrive.
| Month | Temperatures | Rainy Days | Dry Days | Snowy Days | Rainfall | Weather | More details |
|---|---|---|---|---|---|---|---|
| January | 5° / 0° | 14 | 12 | 5 | 118 mm | Awful | Campbell River in January |
| February | 5° / -1° | 12 | 12 | 5 | 64 mm | Awful | Campbell River in February |
| March | 7° / 1° | 12 | 15 | 4 | 73 mm | Awful | Campbell River in March |
| April | 10° / 3° | 9 | 20 | 1 | 48 mm | Ok | Campbell River in April |
| May | 15° / 7° | 7 | 25 | 0 | 30 mm | Good | Campbell River in May |
| June | 18° / 10° | 7 | 24 | 0 | 27 mm | Good | Campbell River in June |
| July | 22° / 12° | 3 | 28 | 0 | 11 mm | Good | Campbell River in July |
| August | 22° / 13° | 4 | 27 | 0 | 20 mm | Good | Campbell River in August |
| September | 18° / 10° | 9 | 21 | 0 | 61 mm | Ok | Campbell River in September |
| October | 12° / 6° | 13 | 18 | 0 | 92 mm | Bad | Campbell River in October |
| November | 7° / 2° | 15 | 13 | 2 | 132 mm | Awful | Campbell River in November |
| December | 4° / -1° | 15 | 11 | 6 | 108 mm | Awful | Campbell River in December |