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.
Temperatures
26° / 23°
Rainy Days
2
Snowy Days
0
Dry Days
28
Rainfall
54
mm
Sun Hours
11.6
Hrs