Click on a day for an hourly weather forecast
The temperatures in Cleethorpes in September are usually low and can range between 12°C and 17°C.
You can expect about 3 to 8 days of rain in Cleethorpes 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 Cleethorpes in September 2025.
If you’re planning to visit Cleethorpes in the near future, we highly recommend that you review the 14 day weather forecast for Cleethorpes before you arrive.
| Month | Temperatures | Rainy Days | Dry Days | Snowy Days | Rainfall | Weather | More details |
|---|---|---|---|---|---|---|---|
| January | 6° / 3° | 8 | 20 | 4 | 60 mm | Awful | Cleethorpes in January |
| February | 7° / 3° | 7 | 17 | 4 | 63 mm | Awful | Cleethorpes in February |
| March | 9° / 4° | 6 | 24 | 2 | 57 mm | Bad | Cleethorpes in March |
| April | 11° / 5° | 4 | 25 | 1 | 44 mm | Ok | Cleethorpes in April |
| May | 14° / 8° | 6 | 25 | 0 | 70 mm | Good | Cleethorpes in May |
| June | 17° / 11° | 6 | 24 | 0 | 88 mm | Good | Cleethorpes in June |
| July | 19° / 13° | 6 | 25 | 0 | 88 mm | Good | Cleethorpes in July |
| August | 20° / 14° | 5 | 26 | 0 | 79 mm | Good | Cleethorpes in August |
| September | 17° / 12° | 4 | 26 | 0 | 59 mm | Good | Cleethorpes in September |
| October | 14° / 10° | 7 | 24 | 0 | 84 mm | Ok | Cleethorpes in October |
| November | 10° / 6° | 7 | 22 | 1 | 78 mm | Bad | Cleethorpes in November |
| December | 7° / 4° | 6 | 23 | 2 | 69 mm | Bad | Cleethorpes in December |