Click on a day for an hourly weather forecast
The weather in Cranbrook in September is very cold with temperatures between 3°C and 18°C, warm clothes are a must.
You can expect about 3 to 8 days of rain in Cranbrook 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 Cranbrook in September 2025.
If you’re planning to visit Cranbrook in the near future, we highly recommend that you review the 14 day weather forecast for Cranbrook before you arrive.
| Month | Temperatures | Rainy Days | Dry Days | Snowy Days | Rainfall | Weather | More details |
|---|---|---|---|---|---|---|---|
| January | -3° / -13° | 9 | 4 | 20 | 46 mm | Awful | Cranbrook in January |
| February | -3° / -13° | 9 | 3 | 19 | 46 mm | Awful | Cranbrook in February |
| March | 2° / -8° | 12 | 5 | 19 | 70 mm | Awful | Cranbrook in March |
| April | 7° / -5° | 10 | 10 | 11 | 65 mm | Awful | Cranbrook in April |
| May | 15° / 0° | 9 | 20 | 2 | 82 mm | Bad | Cranbrook in May |
| June | 19° / 4° | 10 | 20 | 0 | 94 mm | Ok | Cranbrook in June |
| July | 25° / 7° | 5 | 26 | 0 | 47 mm | Perfect | Cranbrook in July |
| August | 24° / 7° | 4 | 27 | 0 | 40 mm | Perfect | Cranbrook in August |
| September | 18° / 3° | 5 | 25 | 0 | 43 mm | Good | Cranbrook in September |
| October | 9° / -2° | 6 | 20 | 5 | 52 mm | Bad | Cranbrook in October |
| November | 1° / -7° | 9 | 6 | 16 | 64 mm | Awful | Cranbrook in November |
| December | -4° / -13° | 9 | 4 | 20 | 46 mm | Awful | Cranbrook in December |