Click on a day for an hourly weather forecast
The temperatures in Milton Keynes in September are usually low and can range between 11°C and 19°C.
You can expect about 3 to 8 days of rain in Milton Keynes 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 Milton Keynes in September 2025.
If you’re planning to visit Milton Keynes in the near future, we highly recommend that you review the 14 day weather forecast for Milton Keynes before you arrive.
| Month | Temperatures | Rainy Days | Dry Days | Snowy Days | Rainfall | Weather | More details |
|---|---|---|---|---|---|---|---|
| January | 6° / 1° | 6 | 21 | 4 | 47 mm | Awful | Milton Keynes in January |
| February | 7° / 2° | 7 | 16 | 5 | 48 mm | Bad | Milton Keynes in February |
| March | 10° / 3° | 5 | 25 | 1 | 44 mm | Ok | Milton Keynes in March |
| April | 13° / 4° | 4 | 26 | 0 | 41 mm | Ok | Milton Keynes in April |
| May | 16° / 7° | 5 | 26 | 0 | 66 mm | Good | Milton Keynes in May |
| June | 19° / 10° | 5 | 25 | 0 | 75 mm | Good | Milton Keynes in June |
| July | 21° / 12° | 5 | 26 | 0 | 73 mm | Good | Milton Keynes in July |
| August | 21° / 13° | 5 | 26 | 0 | 72 mm | Good | Milton Keynes in August |
| September | 19° / 11° | 3 | 27 | 0 | 39 mm | Good | Milton Keynes in September |
| October | 14° / 8° | 5 | 26 | 0 | 58 mm | Good | Milton Keynes in October |
| November | 10° / 5° | 6 | 23 | 1 | 52 mm | Ok | Milton Keynes in November |
| December | 7° / 3° | 6 | 22 | 2 | 60 mm | Bad | Milton Keynes in December |