Click on a day for an hourly weather forecast
The temperatures in Lincolnshire 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 Lincolnshire 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 Lincolnshire in September 2025.
If you’re planning to visit Lincolnshire in the near future, we highly recommend that you review the 14 day weather forecast for Lincolnshire before you arrive.
| Month | Temperatures | Rainy Days | Dry Days | Snowy Days | Rainfall | Weather | More details |
|---|---|---|---|---|---|---|---|
| January | 6° / 2° | 7 | 20 | 5 | 45 mm | Awful | Lincolnshire in January |
| February | 7° / 2° | 6 | 16 | 6 | 44 mm | Bad | Lincolnshire in February |
| March | 10° / 3° | 5 | 23 | 3 | 47 mm | Bad | Lincolnshire in March |
| April | 13° / 4° | 3 | 26 | 1 | 37 mm | Ok | Lincolnshire in April |
| May | 15° / 7° | 5 | 26 | 0 | 61 mm | Good | Lincolnshire in May |
| June | 18° / 10° | 5 | 25 | 0 | 83 mm | Good | Lincolnshire in June |
| July | 20° / 12° | 5 | 26 | 0 | 74 mm | Good | Lincolnshire in July |
| August | 21° / 13° | 5 | 26 | 0 | 70 mm | Good | Lincolnshire in August |
| September | 18° / 11° | 4 | 26 | 0 | 46 mm | Good | Lincolnshire in September |
| October | 14° / 8° | 6 | 25 | 0 | 59 mm | Good | Lincolnshire in October |
| November | 9° / 5° | 6 | 23 | 1 | 49 mm | Ok | Lincolnshire in November |
| December | 7° / 3° | 5 | 23 | 3 | 53 mm | Bad | Lincolnshire in December |