Click on a day for an hourly weather forecast
The temperatures in Lowestoft in September are usually low and can range between 14°C and 17°C.
You can expect about 3 to 8 days of rain in Lowestoft 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 Lowestoft in September 2025.
If you’re planning to visit Lowestoft in the near future, we highly recommend that you review the 14 day weather forecast for Lowestoft before you arrive.
| Month | Temperatures | Rainy Days | Dry Days | Snowy Days | Rainfall | Weather | More details |
|---|---|---|---|---|---|---|---|
| January | 7° / 4° | 9 | 18 | 4 | 74 mm | Awful | Lowestoft in January |
| February | 7° / 4° | 8 | 15 | 5 | 68 mm | Awful | Lowestoft in February |
| March | 9° / 5° | 6 | 23 | 1 | 57 mm | Ok | Lowestoft in March |
| April | 11° / 7° | 3 | 27 | 0 | 38 mm | Ok | Lowestoft in April |
| May | 13° / 9° | 4 | 27 | 0 | 63 mm | Ok | Lowestoft in May |
| June | 16° / 12° | 5 | 25 | 0 | 70 mm | Good | Lowestoft in June |
| July | 19° / 15° | 5 | 26 | 0 | 93 mm | Good | Lowestoft in July |
| August | 20° / 15° | 5 | 26 | 0 | 87 mm | Good | Lowestoft in August |
| September | 17° / 14° | 4 | 26 | 0 | 63 mm | Good | Lowestoft in September |
| October | 14° / 11° | 6 | 25 | 0 | 89 mm | Good | Lowestoft in October |
| November | 11° / 8° | 7 | 22 | 0 | 81 mm | Bad | Lowestoft in November |
| December | 8° / 6° | 9 | 20 | 2 | 90 mm | Awful | Lowestoft in December |