Click on a day for an hourly weather forecast
The temperatures in Sunderland in September are usually low and can range between 11°C and 17°C.
You can expect rain for roughly half of the month of September in Sunderland. 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 Sunderland in September 2025.
If you’re planning to visit Sunderland in the near future, we highly recommend that you review the 14 day weather forecast for Sunderland before you arrive.
| Month | Temperatures | Rainy Days | Dry Days | Snowy Days | Rainfall | Weather | More details |
|---|---|---|---|---|---|---|---|
| January | 6° / 3° | 12 | 16 | 4 | 122 mm | Awful | Sunderland in January |
| February | 7° / 3° | 11 | 13 | 4 | 117 mm | Awful | Sunderland in February |
| March | 9° / 3° | 8 | 21 | 2 | 94 mm | Awful | Sunderland in March |
| April | 12° / 5° | 6 | 24 | 1 | 63 mm | Ok | Sunderland in April |
| May | 14° / 7° | 8 | 23 | 0 | 99 mm | Ok | Sunderland in May |
| June | 17° / 10° | 8 | 22 | 0 | 118 mm | Ok | Sunderland in June |
| July | 19° / 12° | 9 | 22 | 0 | 139 mm | Ok | Sunderland in July |
| August | 18° / 12° | 9 | 22 | 0 | 152 mm | Ok | Sunderland in August |
| September | 17° / 11° | 8 | 22 | 0 | 112 mm | Ok | Sunderland in September |
| October | 13° / 9° | 9 | 22 | 0 | 131 mm | Bad | Sunderland in October |
| November | 9° / 6° | 10 | 19 | 0 | 145 mm | Bad | Sunderland in November |
| December | 7° / 4° | 12 | 17 | 2 | 141 mm | Awful | Sunderland in December |