Cartagena weather in September 2025

Expect 90°F daytime maximum temperatures in the shade with on average 6 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 Colombia in 2025/2026.

  • 90°F maximum daytime temperature in September in Cartagena90
    90°F max day temperature
  • 6 hours of sunshine per day
  • 14 days with some rainfall in September in Cartagena14
    14 days with some rainfall
  • 77°F minimum night-time temperature in September in Cartagena77
    77°F min night temperature
  • 12 hours of daylight per day in September in Cartagena12
    12 hours of daylight per day
  • Very high heat & humidity in September in CartagenaVH
    Very High heat & humidity
  • 5.5 inches monthly rainfall in September in Cartagena5.5
    5.5 inches of monthly rainfall
  • UV (maximum) index 11+ (Extreme) in September in Cartagena11
    11+ (Extreme) UV index
  • 84°F sea temperature in September in Cartagena84
    84°F sea temperature

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The September weather guide for Colombia (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)

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How hot is it in Cartagena in September?

Daytime temperatures usually reach 90°F in Cartagena in September with very high heat and humidity, falling to 77°F at night.

How sunny is it in Cartagena in September?

There are normally 6 hours of bright sunshine each day in Cartagena in September - that's 46% of daylight hours.

How warm is the sea around Cartagena in September?

The average sea temperature around Cartagena in September is 84°F.

Does it rain in Cartagena in September?

There are usually 14 days with some rain in Cartagena in September and the average monthly rainfall is 5.5 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 05:53 18:11
Monday, 15th September 2025 05:52 18:02
Tuesday, 30th September 2025 05:51 17:53

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