Click on a day for an hourly weather forecast
The temperatures in Hartlepool in September are usually low and can range between 11°C and 16°C.
You can expect about 3 to 8 days of rain in Hartlepool 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 Hartlepool in September 2025.
If you’re planning to visit Hartlepool in the near future, we highly recommend that you review the 14 day weather forecast for Hartlepool before you arrive.
| Month | Temperatures | Rainy Days | Dry Days | Snowy Days | Rainfall | Weather | More details |
|---|---|---|---|---|---|---|---|
| January | 6° / 2° | 9 | 16 | 6 | 60 mm | Awful | Hartlepool in January |
| February | 7° / 3° | 7 | 15 | 6 | 50 mm | Bad | Hartlepool in February |
| March | 9° / 3° | 5 | 24 | 2 | 45 mm | Bad | Hartlepool in March |
| April | 11° / 5° | 5 | 23 | 1 | 41 mm | Ok | Hartlepool in April |
| May | 13° / 7° | 5 | 26 | 0 | 58 mm | Ok | Hartlepool in May |
| June | 16° / 10° | 5 | 25 | 0 | 78 mm | Good | Hartlepool in June |
| July | 18° / 12° | 6 | 25 | 0 | 84 mm | Good | Hartlepool in July |
| August | 18° / 12° | 6 | 25 | 0 | 89 mm | Good | Hartlepool in August |
| September | 16° / 11° | 4 | 26 | 0 | 57 mm | Good | Hartlepool in September |
| October | 13° / 8° | 6 | 25 | 0 | 67 mm | Ok | Hartlepool in October |
| November | 9° / 6° | 7 | 22 | 1 | 76 mm | Bad | Hartlepool in November |
| December | 7° / 4° | 6 | 21 | 3 | 58 mm | Bad | Hartlepool in December |