Click on a day for an hourly weather forecast
The temperatures in Brantford in September are comfortable with low of 13°C and and high up to 22°C.
You can expect about 3 to 8 days of rain in Brantford 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 Brantford in September 2025.
If you’re planning to visit Brantford in the near future, we highly recommend that you review the 14 day weather forecast for Brantford before you arrive.
| Month | Temperatures | Rainy Days | Dry Days | Snowy Days | Rainfall | Weather | More details |
|---|---|---|---|---|---|---|---|
| January | -2° / -8° | 9 | 18 | 4 | 23 mm | Awful | Brantford in January |
| February | -1° / -9° | 9 | 15 | 5 | 24 mm | Awful | Brantford in February |
| March | 5° / -3° | 7 | 21 | 3 | 29 mm | Awful | Brantford in March |
| April | 11° / 2° | 7 | 22 | 1 | 37 mm | Ok | Brantford in April |
| May | 19° / 9° | 6 | 25 | 0 | 34 mm | Good | Brantford in May |
| June | 23° / 13° | 7 | 23 | 0 | 39 mm | Perfect | Brantford in June |
| July | 26° / 16° | 8 | 23 | 0 | 34 mm | Perfect | Brantford in July |
| August | 26° / 16° | 7 | 25 | 0 | 30 mm | Perfect | Brantford in August |
| September | 22° / 13° | 6 | 24 | 0 | 29 mm | Good | Brantford in September |
| October | 15° / 7° | 7 | 24 | 0 | 35 mm | Good | Brantford in October |
| November | 8° / 1° | 6 | 23 | 1 | 23 mm | Ok | Brantford in November |
| December | 2° / -3° | 9 | 19 | 3 | 25 mm | Awful | Brantford in December |