Denia weather in September 2026

Expect daytime maximum temperatures of 82°F in Denia, Costa Blanca in September based on long-term weather averages. There are 8 hours of sunshine per day on average with typically 1.7 inches of rainfall in the month.

  • 82°F maximum daytime temperature in September in Denia82
    82°F max day temperature
  • 8 hours of sunshine per day
  • 6 days with some rainfall in September in Denia6
    6 days with some rainfall
  • 64°F minimum night-time temperature in September in Denia64
    64°F min night temperature
  • 12 hours of daylight per day in September in Denia12
    12 hours of daylight per day
  • Moderate heat & humidity in September in DeniaM
    Moderate heat & humidity
  • 1.7 inches monthly rainfall in September in Denia1.7
    1.7 inches of monthly rainfall
  • UV (maximum) index 6 (High) in September in Denia6
    6 (High) UV index
  • 77°F sea temperature in September in Denia77
    77°F sea temperature

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The September weather guide for Costa Blanca (Denia) 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)  |  Imperial (°F)

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More about the Costa Blanca

How hot is it in Denia in September?

Daytime temperatures usually reach 82°F in Denia in September with moderate heat and humidity, falling to 63°F at night.

How sunny is it in Denia in September?

There are normally 8 hours of bright sunshine each day in Denia in September - that's 64% of daylight hours.

How warm is the sea around Denia in September?

The average sea temperature around Denia in September is 77°F.

Does it rain in Denia in September?

There are usually 6 days with some rain in Denia in September and the average monthly rainfall is 1.7 inches.

Denia September sunrise & sunset times

Browse the sunrise and sunset times for Denia in September 2026. Select a month to view Denia sunrise and sunset times for the next 12 months.

JanFebMarAprMayJunJulAugSepOctNovDec

Date Sunrise times Sunset times
Tuesday, 1st September 2026 06:28 19:30
Tuesday, 15th September 2026 06:41 19:08
Wednesday, 30th September 2026 06:54 18:44

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