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The weather in Altea in September is very hot. The average temperatures are between 23°C and 26°C, drinking water regularly is advisable.
You can expect a few rainy days in Altea 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 Altea in September 2025.
If you’re planning to visit Altea in the near future, we highly recommend that you review the 14 day weather forecast for Altea before you arrive.
| Month | Temperatures | Rainy Days | Dry Days | Snowy Days | Rainfall | Weather | More details |
|---|---|---|---|---|---|---|---|
| January | 15° / 11° | 3 | 28 | 0 | 55 mm | Good | Altea in January |
| February | 15° / 11° | 1 | 27 | 0 | 20 mm | Good | Altea in February |
| March | 16° / 12° | 3 | 28 | 0 | 57 mm | Good | Altea in March |
| April | 17° / 14° | 3 | 27 | 0 | 44 mm | Good | Altea in April |
| May | 20° / 17° | 1 | 30 | 0 | 17 mm | Good | Altea in May |
| June | 24° / 21° | 1 | 29 | 0 | 15 mm | Perfect | Altea in June |
| July | 27° / 24° | 1 | 30 | 0 | 10 mm | Perfect | Altea in July |
| August | 27° / 24° | 1 | 30 | 0 | 25 mm | Perfect | Altea in August |
| September | 26° / 23° | 2 | 28 | 0 | 54 mm | Perfect | Altea in September |
| October | 23° / 20° | 2 | 29 | 0 | 50 mm | Perfect | Altea in October |
| November | 18° / 15° | 3 | 27 | 0 | 54 mm | Good | Altea in November |
| December | 16° / 13° | 2 | 29 | 0 | 42 mm | Good | Altea in December |