Click on a day for an hourly weather forecast
The temperatures in Rotherham in September are usually low and can range between 11°C and 18°C.
You can expect about 3 to 8 days of rain in Rotherham 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 Rotherham in September 2025.
If you’re planning to visit Rotherham in the near future, we highly recommend that you review the 14 day weather forecast for Rotherham before you arrive.
| Month | Temperatures | Rainy Days | Dry Days | Snowy Days | Rainfall | Weather | More details |
|---|---|---|---|---|---|---|---|
| January | 6° / 2° | 7 | 19 | 5 | 49 mm | Awful | Rotherham in January |
| February | 7° / 2° | 7 | 16 | 5 | 51 mm | Awful | Rotherham in February |
| March | 10° / 3° | 5 | 23 | 3 | 43 mm | Bad | Rotherham in March |
| April | 13° / 4° | 4 | 25 | 1 | 37 mm | Ok | Rotherham in April |
| May | 15° / 7° | 5 | 26 | 0 | 57 mm | Good | Rotherham in May |
| June | 18° / 10° | 5 | 25 | 0 | 75 mm | Good | Rotherham in June |
| July | 21° / 12° | 5 | 26 | 0 | 75 mm | Good | Rotherham in July |
| August | 20° / 13° | 5 | 26 | 0 | 70 mm | Good | Rotherham in August |
| September | 18° / 11° | 4 | 26 | 0 | 45 mm | Good | Rotherham in September |
| October | 14° / 8° | 6 | 25 | 0 | 58 mm | Good | Rotherham in October |
| November | 9° / 5° | 6 | 23 | 0 | 57 mm | Ok | Rotherham in November |
| December | 7° / 3° | 6 | 22 | 3 | 51 mm | Bad | Rotherham in December |