Click on a day for an hourly weather forecast
The temperatures in Lancashire in September are usually low and can range between 14°C and 16°C.
You can expect about 3 to 8 days of rain in Lancashire 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 Lancashire in September 2025.
If you’re planning to visit Lancashire in the near future, we highly recommend that you review the 14 day weather forecast for Lancashire before you arrive.
| Month | Temperatures | Rainy Days | Dry Days | Snowy Days | Rainfall | Weather | More details |
|---|---|---|---|---|---|---|---|
| January | 9° / 6° | 11 | 18 | 1 | 166 mm | Bad | Lancashire in January |
| February | 8° / 6° | 10 | 17 | 1 | 121 mm | Bad | Lancashire in February |
| March | 9° / 6° | 7 | 23 | 1 | 94 mm | Bad | Lancashire in March |
| April | 11° / 8° | 6 | 23 | 0 | 80 mm | Ok | Lancashire in April |
| May | 13° / 10° | 7 | 25 | 0 | 86 mm | Bad | Lancashire in May |
| June | 16° / 12° | 7 | 23 | 0 | 107 mm | Ok | Lancashire in June |
| July | 17° / 15° | 7 | 24 | 0 | 112 mm | Ok | Lancashire in July |
| August | 17° / 15° | 9 | 22 | 0 | 148 mm | Ok | Lancashire in August |
| September | 16° / 14° | 7 | 23 | 0 | 123 mm | Ok | Lancashire in September |
| October | 14° / 12° | 11 | 20 | 0 | 192 mm | Ok | Lancashire in October |
| November | 12° / 9° | 12 | 18 | 0 | 202 mm | Bad | Lancashire in November |
| December | 10° / 8° | 12 | 18 | 1 | 186 mm | Bad | Lancashire in December |