Click on a day for an hourly weather forecast
The temperatures in Perranporth 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 Perranporth 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 Perranporth in September 2025.
If you’re planning to visit Perranporth in the near future, we highly recommend that you review the 14 day weather forecast for Perranporth before you arrive.
| Month | Temperatures | Rainy Days | Dry Days | Snowy Days | Rainfall | Weather | More details |
|---|---|---|---|---|---|---|---|
| January | 9° / 7° | 10 | 21 | 1 | 145 mm | Bad | Perranporth in January |
| February | 9° / 7° | 9 | 18 | 1 | 119 mm | Bad | Perranporth in February |
| March | 10° / 7° | 7 | 24 | 0 | 92 mm | Bad | Perranporth in March |
| April | 11° / 8° | 5 | 25 | 0 | 70 mm | Ok | Perranporth in April |
| May | 14° / 10° | 5 | 26 | 0 | 72 mm | Good | Perranporth in May |
| June | 16° / 13° | 6 | 24 | 0 | 88 mm | Good | Perranporth in June |
| July | 18° / 15° | 6 | 25 | 0 | 96 mm | Good | Perranporth in July |
| August | 18° / 15° | 7 | 24 | 0 | 119 mm | Ok | Perranporth in August |
| September | 17° / 14° | 5 | 25 | 0 | 79 mm | Good | Perranporth in September |
| October | 15° / 12° | 8 | 23 | 0 | 145 mm | Ok | Perranporth in October |
| November | 12° / 10° | 9 | 21 | 0 | 166 mm | Bad | Perranporth in November |
| December | 10° / 8° | 10 | 20 | 0 | 155 mm | Bad | Perranporth in December |