Click on a day for an hourly weather forecast
The temperatures in Burnham On Sea in September are usually low and can range between 12°C and 18°C.
You can expect about 3 to 8 days of rain in Burnham On Sea 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 Burnham On Sea in September 2025.
If you’re planning to visit Burnham On Sea in the near future, we highly recommend that you review the 14 day weather forecast for Burnham On Sea before you arrive.
| Month | Temperatures | Rainy Days | Dry Days | Snowy Days | Rainfall | Weather | More details |
|---|---|---|---|---|---|---|---|
| January | 8° / 4° | 9 | 22 | 0 | 71 mm | Bad | Burnham On Sea in January |
| February | 8° / 4° | 7 | 21 | 0 | 59 mm | Bad | Burnham On Sea in February |
| March | 10° / 4° | 7 | 23 | 0 | 62 mm | Bad | Burnham On Sea in March |
| April | 12° / 5° | 7 | 23 | 0 | 51 mm | Bad | Burnham On Sea in April |
| May | 15° / 8° | 7 | 24 | 0 | 61 mm | Ok | Burnham On Sea in May |
| June | 18° / 11° | 7 | 23 | 0 | 69 mm | Ok | Burnham On Sea in June |
| July | 20° / 14° | 8 | 23 | 0 | 70 mm | Ok | Burnham On Sea in July |
| August | 19° / 14° | 9 | 22 | 0 | 82 mm | Ok | Burnham On Sea in August |
| September | 18° / 12° | 6 | 24 | 0 | 57 mm | Good | Burnham On Sea in September |
| October | 15° / 10° | 9 | 22 | 0 | 91 mm | Ok | Burnham On Sea in October |
| November | 11° / 7° | 10 | 20 | 0 | 92 mm | Bad | Burnham On Sea in November |
| December | 9° / 5° | 9 | 22 | 0 | 86 mm | Bad | Burnham On Sea in December |