Alicante weather in September 2025

Expect daytime maximum temperatures of 28°C in Alicante, Costa Blanca in September based on long-term weather averages. There are 8 hours of sunshine per day on average.

  • 28°C maximum daytime temperature in September in Alicante28
    28°C max day temperature
  • 8 hours of sunshine per day
  • 6 days with some rainfall in September in Alicante6
    6 days with some rainfall
  • 17°C minimum night-time temperature in September in Alicante17
    17°C min night temperature
  • 12 hours of daylight per day in September in Alicante12
    12 hours of daylight per day
  • Moderate heat & humidity in September in AlicanteM
    Moderate heat & humidity
  • 37 mm monthly rainfall in September in Alicante37
    37 mm of monthly rainfall
  • UV (maximum) index 7 (High) in September in Alicante7
    7 (High) UV index
  • 25°C sea temperature in September in Alicante25
    25°C sea temperature

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The September weather guide for Costa Blanca (Alicante) shows long term weather averages processed from data supplied by CRU (University of East Anglia), the Met Office & the Netherlands Meteorological Institute. Find out more about our data sources.

Metric (°C / mm)  |  Imperial (°F / inches)

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More about the Costa Blanca

How hot is it in Alicante in September?

Daytime temperatures usually reach 28°C in Alicante in September with moderate heat and humidity, falling to 17°C at night.

How sunny is it in Alicante in September?

There are normally 8 hours of bright sunshine each day in Alicante in September - that's 65% of daylight hours.

How warm is the sea around Alicante in September?

The average sea temperature around Alicante in September is 25°C.

Does it rain in Alicante in September?

There are usually 6 days with some rain in Alicante in September and the average monthly rainfall is 37mm.

Alicante September sunrise & sunset times

Browse the sunrise and sunset times for Alicante in September 2025. Select a month to view Alicante sunrise and sunset times for the next 12 months.

JanFebMarAprMayJunJulAugSepOctNovDec

Date Sunrise times Sunset times
Monday, 1st September 2025 06:32 19:32
Monday, 15th September 2025 06:44 19:10
Tuesday, 30th September 2025 06:57 18:46

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