Santo Domingo weather in September 2025

Expect 32°C daytime maximum temperatures in the shade with on average 8 hours of sunshine per day in Santo Domingo in September. Check more long-term weather averages for Santo Domingo in September before you book your next holiday to Dominican Republic in 2025/2026.

  • 32°C maximum daytime temperature in September in Santo Domingo32
    32°C max day temperature
  • 8 hours of sunshine per day
  • 14 days with some rainfall in September in Santo Domingo14
    14 days with some rainfall
  • 22°C minimum night-time temperature in September in Santo Domingo22
    22°C min night temperature
  • 12 hours of daylight per day in September in Santo Domingo12
    12 hours of daylight per day
  • Very high heat & humidity in September in Santo DomingoVH
    Very High heat & humidity
  • 174 mm monthly rainfall in September in Santo Domingo174
    174 mm of monthly rainfall
  • UV (maximum) index 11+ (Extreme) in September in Santo Domingo11
    11+ (Extreme) UV index
  • 29°C sea temperature in September in Santo Domingo29
    29°C sea temperature

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The September weather guide for Dominican Republic (Santo Domingo) 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 Dominican Republic

How hot is it in Santo Domingo in September?

Daytime temperatures usually reach 32°C in Santo Domingo in September with very high heat and humidity, falling to 22°C at night.

How sunny is it in Santo Domingo in September?

There are normally 8 hours of bright sunshine each day in Santo Domingo in September - that's 61% of daylight hours.

How warm is the sea around Santo Domingo in September?

The average sea temperature around Santo Domingo in September is 29°C.

Does it rain in Santo Domingo in September?

There are usually 14 days with some rain in Santo Domingo in September and the average monthly rainfall is 174mm.

What is the chance of a hurricane in Santo Domingo in September?

On average less than 1 day in September in Santo Domingo is likely to be affected by the passage of one or more tropical storms.

Santo Domingo September sunrise & sunset times

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

JanFebMarAprMayJunJulAugSepOctNovDec

Date Sunrise times Sunset times
Monday, 1st September 2025 06:25 18:54
Monday, 15th September 2025 06:27 18:42
Tuesday, 30th September 2025 06:30 18:29

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