Cartagena weather in September 2025

Expect 82°F daytime maximum temperatures in the shade with on average 7 hours of sunshine per day in Cartagena in September. Check more long-term weather averages for Cartagena in September before you book your next holiday to Costa Blanca in 2025/2026.

  • 82°F maximum daytime temperature in September in Cartagena82
    82°F max day temperature
  • 7 hours of sunshine per day
  • 5 days with some rainfall in September in Cartagena5
    5 days with some rainfall
  • 66°F minimum night-time temperature in September in Cartagena66
    66°F min night temperature
  • 12 hours of daylight per day in September in Cartagena12
    12 hours of daylight per day
  • Moderate heat & humidity in September in CartagenaM
    Moderate heat & humidity
  • 1.0 inches monthly rainfall in September in Cartagena1.0
    1.0 inches of monthly rainfall
  • UV (maximum) index 7 (High) in September in Cartagena7
    7 (High) UV index
  • 75°F sea temperature in September in Cartagena75
    75°F sea temperature

More about the Cartagena

Cartagena by month

Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec

Recommended for the Costa Blanca

TUI: up to 7% off holidays booked online

  • Book online with TUI & save up to 7% on holidays
  • FREE child places available for select holidays
  • Pay £0 deposits with direct debit & spread the cost
Go to TUI deal >>

View all TUI offers

TUITUI deal finder

The September weather guide for Costa Blanca (Cartagena) 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)

Back to top

More about the Costa Blanca

How hot is it in Cartagena in September?

Daytime temperatures usually reach 82°F in Cartagena in September with moderate heat and humidity, falling to 66°F at night.

How sunny is it in Cartagena in September?

There are normally 7 hours of bright sunshine each day in Cartagena in September - that's 57% of daylight hours.

How warm is the sea around Cartagena in September?

The average sea temperature around Cartagena in September is 75°F.

Does it ever rain in Cartagena in September?

There are usually 5 days with some rain in Cartagena in September and the average monthly rainfall is 1.0 inches.

Cartagena September sunrise & sunset times

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

JanFebMarAprMayJunJulAugSepOctNovDec

Date Sunrise times Sunset times
Monday, 1st September 2025 06:34 19:33
Monday, 15th September 2025 06:46 19:12
Tuesday, 30th September 2025 06:59 18:48

Related posts

Popular travel offers

Explore holidays in the sun for less

More holidays

Airport parking

More parking

Airport lounges

More lounges

Top ^