Click on a day for an hourly weather forecast
The temperatures in Newcastle upon Tyne in September are usually low and can range between 10°C and 17°C.
You can expect about 3 to 8 days of rain in Newcastle upon Tyne 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 Newcastle upon Tyne in September 2025.
If you’re planning to visit Newcastle upon Tyne in the near future, we highly recommend that you review the 14 day weather forecast for Newcastle upon Tyne before you arrive.
| Month | Temperatures | Rainy Days | Dry Days | Snowy Days | Rainfall | Weather | More details |
|---|---|---|---|---|---|---|---|
| January | 6° / 2° | 8 | 18 | 5 | 61 mm | Awful | Newcastle upon Tyne in January |
| February | 7° / 2° | 7 | 15 | 6 | 65 mm | Awful | Newcastle upon Tyne in February |
| March | 9° / 3° | 6 | 22 | 3 | 54 mm | Bad | Newcastle upon Tyne in March |
| April | 11° / 4° | 5 | 24 | 1 | 48 mm | Ok | Newcastle upon Tyne in April |
| May | 14° / 7° | 7 | 24 | 0 | 73 mm | Ok | Newcastle upon Tyne in May |
| June | 17° / 9° | 7 | 23 | 0 | 89 mm | Ok | Newcastle upon Tyne in June |
| July | 19° / 12° | 8 | 23 | 0 | 107 mm | Ok | Newcastle upon Tyne in July |
| August | 19° / 12° | 7 | 24 | 0 | 102 mm | Ok | Newcastle upon Tyne in August |
| September | 17° / 10° | 5 | 25 | 0 | 61 mm | Good | Newcastle upon Tyne in September |
| October | 13° / 8° | 8 | 23 | 0 | 79 mm | Bad | Newcastle upon Tyne in October |
| November | 9° / 5° | 8 | 22 | 1 | 83 mm | Bad | Newcastle upon Tyne in November |
| December | 6° / 3° | 7 | 21 | 3 | 60 mm | Awful | Newcastle upon Tyne in December |