Click on a day for an hourly weather forecast
The temperatures in Cambridge 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 Cambridge 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 Cambridge in September 2025.
If you’re planning to visit Cambridge in the near future, we highly recommend that you review the 14 day weather forecast for Cambridge before you arrive.
| Month | Temperatures | Rainy Days | Dry Days | Snowy Days | Rainfall | Weather | More details |
|---|---|---|---|---|---|---|---|
| January | 6° / 1° | 7 | 18 | 5 | 63 mm | Awful | Cambridge in January |
| February | 7° / 2° | 8 | 15 | 6 | 75 mm | Awful | Cambridge in February |
| March | 10° / 3° | 7 | 21 | 3 | 57 mm | Awful | Cambridge in March |
| April | 13° / 4° | 5 | 25 | 1 | 47 mm | Ok | Cambridge in April |
| May | 15° / 7° | 7 | 24 | 0 | 78 mm | Ok | Cambridge in May |
| June | 18° / 9° | 7 | 23 | 0 | 100 mm | Ok | Cambridge in June |
| July | 20° / 11° | 7 | 24 | 0 | 105 mm | Ok | Cambridge in July |
| August | 19° / 12° | 7 | 24 | 0 | 94 mm | Ok | Cambridge in August |
| September | 17° / 10° | 5 | 25 | 0 | 64 mm | Good | Cambridge in September |
| October | 13° / 8° | 7 | 24 | 0 | 83 mm | Bad | Cambridge in October |
| November | 9° / 5° | 8 | 22 | 0 | 76 mm | Bad | Cambridge in November |
| December | 6° / 3° | 7 | 21 | 3 | 63 mm | Awful | Cambridge in December |