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The weather in Costa Blanca 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 Costa Blanca 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 Costa Blanca in September 2025.
If you’re planning to visit Costa Blanca in the near future, we highly recommend that you review the 14 day weather forecast for Costa Blanca before you arrive.
| Month | Temperatures | Rainy Days | Dry Days | Snowy Days | Rainfall | Weather | More details |
|---|---|---|---|---|---|---|---|
| January | 15° / 11° | 3 | 28 | 0 | 55 mm | Good | Costa Blanca in January |
| February | 15° / 11° | 1 | 27 | 0 | 20 mm | Good | Costa Blanca in February |
| March | 16° / 12° | 3 | 28 | 0 | 57 mm | Good | Costa Blanca in March |
| April | 17° / 14° | 3 | 27 | 0 | 44 mm | Good | Costa Blanca in April |
| May | 20° / 17° | 1 | 30 | 0 | 17 mm | Good | Costa Blanca in May |
| June | 24° / 21° | 1 | 29 | 0 | 15 mm | Perfect | Costa Blanca in June |
| July | 27° / 24° | 1 | 30 | 0 | 10 mm | Perfect | Costa Blanca in July |
| August | 27° / 24° | 1 | 30 | 0 | 25 mm | Perfect | Costa Blanca in August |
| September | 26° / 23° | 2 | 28 | 0 | 54 mm | Perfect | Costa Blanca in September |
| October | 23° / 20° | 2 | 29 | 0 | 50 mm | Perfect | Costa Blanca in October |
| November | 18° / 15° | 3 | 27 | 0 | 54 mm | Good | Costa Blanca in November |
| December | 16° / 13° | 2 | 29 | 0 | 42 mm | Good | Costa Blanca in December |