Click on a day for an hourly weather forecast
The weather in Denia in September is hot. The average temperatures are between 22°C and 25°C.
You can expect a few rainy days in Denia during September, but usually the weather is comfortable in September.
Our weather forecast can give you a great sense of what weather to expect in Denia in September 2025.
If you’re planning to visit Denia in the near future, we highly recommend that you review the 14 day weather forecast for Denia before you arrive.
| Month | Temperatures | Rainy Days | Dry Days | Snowy Days | Rainfall | Weather | More details |
|---|---|---|---|---|---|---|---|
| January | 14° / 11° | 2 | 29 | 0 | 28 mm | Good | Denia in January |
| February | 14° / 11° | 1 | 27 | 0 | 12 mm | Good | Denia in February |
| March | 15° / 12° | 2 | 29 | 0 | 27 mm | Good | Denia in March |
| April | 17° / 14° | 2 | 28 | 0 | 21 mm | Good | Denia in April |
| May | 20° / 17° | 0 | 31 | 0 | 7 mm | Good | Denia in May |
| June | 23° / 21° | 0 | 30 | 0 | 7 mm | Perfect | Denia in June |
| July | 26° / 24° | 0 | 31 | 0 | 4 mm | Perfect | Denia in July |
| August | 26° / 24° | 1 | 30 | 0 | 13 mm | Perfect | Denia in August |
| September | 25° / 22° | 1 | 29 | 0 | 28 mm | Perfect | Denia in September |
| October | 22° / 20° | 1 | 30 | 0 | 28 mm | Good | Denia in October |
| November | 18° / 15° | 2 | 28 | 0 | 33 mm | Good | Denia in November |
| December | 16° / 13° | 1 | 30 | 0 | 21 mm | Good | Denia in December |