Santa Marta weather in September 2025

Expect daytime maximum temperatures of 32°C in Santa Marta, Colombia in September and very high heat and humidity based on long-term weather averages. There are 6 hours of sunshine per day on average with 11 days with some rainfall and typically 122 mm of rainfall in the month.

  • 32°C maximum daytime temperature in September in Santa Marta32
    32°C max day temperature
  • 6 hours of sunshine per day
  • 11 days with some rainfall in September in Santa Marta11
    11 days with some rainfall
  • 24°C minimum night-time temperature in September in Santa Marta24
    24°C min night temperature
  • 12 hours of daylight per day in September in Santa Marta12
    12 hours of daylight per day
  • Very high heat & humidity in September in Santa MartaVH
    Very High heat & humidity
  • 122 mm monthly rainfall in September in Santa Marta122
    122 mm of monthly rainfall
  • UV (maximum) index 11+ (Extreme) in September in Santa Marta11
    11+ (Extreme) UV index
  • 29°C sea temperature in September in Santa Marta29
    29°C sea temperature

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The September weather guide for Colombia (Santa Marta) 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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How hot is it in Santa Marta in September?

Daytime temperatures usually reach 32°C in Santa Marta in September with very high heat and humidity, falling to 24°C at night.

How sunny is it in Santa Marta in September?

There are normally 6 hours of bright sunshine each day in Santa Marta in September - that's 48% of daylight hours.

How warm is the sea around Santa Marta in September?

The average sea temperature around Santa Marta in September is 29°C.

Does it rain in Santa Marta in September?

There are usually 11 days with some rain in Santa Marta in September and the average monthly rainfall is 122mm.

Santa Marta September sunrise & sunset times

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

JanFebMarAprMayJunJulAugSepOctNovDec

Date Sunrise times Sunset times
Monday, 1st September 2025 05:47 18:06
Monday, 15th September 2025 05:46 17:57
Tuesday, 30th September 2025 05:46 17:47

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