Click on a day for an hourly weather forecast
The temperatures in Whitby in September are usually low and can range between 10°C and 18°C.
You can expect about 3 to 8 days of rain in Whitby 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 Whitby in September 2025.
If you’re planning to visit Whitby in the near future, we highly recommend that you review the 14 day weather forecast for Whitby before you arrive.
| Month | Temperatures | Rainy Days | Dry Days | Snowy Days | Rainfall | Weather | More details |
|---|---|---|---|---|---|---|---|
| January | 7° / 2° | 10 | 18 | 4 | 84 mm | Awful | Whitby in January |
| February | 8° / 2° | 8 | 16 | 4 | 73 mm | Awful | Whitby in February |
| March | 10° / 3° | 7 | 22 | 2 | 68 mm | Awful | Whitby in March |
| April | 13° / 4° | 5 | 25 | 1 | 58 mm | Ok | Whitby in April |
| May | 15° / 7° | 7 | 24 | 0 | 79 mm | Ok | Whitby in May |
| June | 18° / 10° | 7 | 23 | 0 | 101 mm | Ok | Whitby in June |
| July | 20° / 12° | 8 | 23 | 0 | 105 mm | Ok | Whitby in July |
| August | 19° / 12° | 7 | 24 | 0 | 105 mm | Ok | Whitby in August |
| September | 18° / 10° | 6 | 24 | 0 | 80 mm | Good | Whitby in September |
| October | 14° / 8° | 6 | 25 | 0 | 90 mm | Good | Whitby in October |
| November | 10° / 5° | 9 | 21 | 0 | 106 mm | Bad | Whitby in November |
| December | 7° / 3° | 9 | 20 | 2 | 91 mm | Awful | Whitby in December |