Click on a day for an hourly weather forecast
The temperatures in Newbury in September are usually low and can range between 11°C and 18°C.
You can expect about 3 to 8 days of rain in Newbury 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 Newbury in September 2025.
If you’re planning to visit Newbury in the near future, we highly recommend that you review the 14 day weather forecast for Newbury before you arrive.
| Month | Temperatures | Rainy Days | Dry Days | Snowy Days | Rainfall | Weather | More details |
|---|---|---|---|---|---|---|---|
| January | 7° / 2° | 8 | 20 | 3 | 58 mm | Awful | Newbury in January |
| February | 8° / 3° | 8 | 17 | 4 | 58 mm | Awful | Newbury in February |
| March | 10° / 3° | 6 | 23 | 2 | 49 mm | Bad | Newbury in March |
| April | 13° / 4° | 4 | 25 | 1 | 41 mm | Ok | Newbury in April |
| May | 15° / 7° | 4 | 27 | 0 | 56 mm | Good | Newbury in May |
| June | 18° / 10° | 5 | 25 | 0 | 63 mm | Good | Newbury in June |
| July | 20° / 13° | 5 | 26 | 0 | 65 mm | Good | Newbury in July |
| August | 20° / 13° | 6 | 25 | 0 | 70 mm | Good | Newbury in August |
| September | 18° / 11° | 4 | 26 | 0 | 43 mm | Good | Newbury in September |
| October | 14° / 9° | 6 | 25 | 0 | 76 mm | Good | Newbury in October |
| November | 10° / 6° | 7 | 23 | 1 | 73 mm | Bad | Newbury in November |
| December | 8° / 4° | 7 | 22 | 2 | 73 mm | Awful | Newbury in December |