Click on a day for an hourly weather forecast
The temperatures in Oldham in September are quite cold with temperatures between 9°C and 15°C, warm clothes are a must.
You can expect about 3 to 8 days of rain in Oldham 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 Oldham in September 2025.
If you’re planning to visit Oldham in the near future, we highly recommend that you review the 14 day weather forecast for Oldham before you arrive.
| Month | Temperatures | Rainy Days | Dry Days | Snowy Days | Rainfall | Weather | More details |
|---|---|---|---|---|---|---|---|
| January | 4° / 1° | 9 | 9 | 13 | 96 mm | Awful | Oldham in January |
| February | 5° / 1° | 8 | 8 | 12 | 99 mm | Awful | Oldham in February |
| March | 8° / 2° | 8 | 16 | 8 | 78 mm | Awful | Oldham in March |
| April | 11° / 4° | 8 | 18 | 4 | 63 mm | Awful | Oldham in April |
| May | 13° / 7° | 8 | 22 | 1 | 87 mm | Bad | Oldham in May |
| June | 16° / 9° | 8 | 22 | 0 | 105 mm | Ok | Oldham in June |
| July | 18° / 11° | 8 | 23 | 0 | 113 mm | Ok | Oldham in July |
| August | 17° / 11° | 8 | 23 | 0 | 115 mm | Ok | Oldham in August |
| September | 15° / 9° | 6 | 24 | 0 | 81 mm | Good | Oldham in September |
| October | 12° / 7° | 8 | 23 | 0 | 104 mm | Bad | Oldham in October |
| November | 7° / 4° | 11 | 15 | 4 | 112 mm | Awful | Oldham in November |
| December | 5° / 2° | 9 | 13 | 9 | 91 mm | Awful | Oldham in December |