Port-of-Spain, Trinidad weather in September 2025

Expect daytime maximum temperatures of 31°C in Port-of-Spain, Trinidad, Trinidad & Tobago in September and very high heat and humidity based on long-term weather averages. There are 7 hours of sunshine per day on average with 19 days with some rainfall and typically 193 mm of rainfall in the month.

  • 31°C maximum daytime temperature in September in Port-of-Spain, Trinidad31
    31°C max day temperature
  • 7 hours of sunshine per day
  • 19 days with some rainfall in September in Port-of-Spain, Trinidad19
    19 days with some rainfall
  • 22°C minimum night-time temperature in September in Port-of-Spain, Trinidad22
    22°C min night temperature
  • 12 hours of daylight per day in September in Port-of-Spain, Trinidad12
    12 hours of daylight per day
  • Very high heat & humidity in September in Port-of-Spain, TrinidadVH
    Very High heat & humidity
  • 193 mm monthly rainfall in September in Port-of-Spain, Trinidad193
    193 mm of monthly rainfall
  • UV (maximum) index 11+ (Extreme) in September in Port-of-Spain, Trinidad11
    11+ (Extreme) UV index
  • 29°C sea temperature in September in Port-of-Spain, Trinidad29
    29°C sea temperature

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Port-of-Spain, Trinidad by month

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The September weather guide for Trinidad & Tobago (Port-of-Spain, Trinidad) 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 Trinidad & Tobago

How hot is it in Port-of-Spain, Trinidad in September?

Daytime temperatures usually reach 31°C in Port-of-Spain, Trinidad in September with very high heat and humidity, falling to 22°C at night.

How sunny is it in Port-of-Spain, Trinidad in September?

There are normally 7 hours of bright sunshine each day in Port-of-Spain, Trinidad in September - that's 53% of daylight hours.

How warm is the sea around Port-of-Spain, Trinidad in September?

The average sea temperature around Port-of-Spain, Trinidad in September is 29°C.

Does it rain in Port-of-Spain, Trinidad in September?

There are usually 19 days with some rain in Port-of-Spain, Trinidad in September and the average monthly rainfall is 193mm.

What is the chance of a hurricane in Port-of-Spain, Trinidad in September?

On average less than 1 day in September in Port-of-Spain, Trinidad is likely to be affected by the passage of one or more tropical storms.

Port-of-Spain, Trinidad September sunrise & sunset times

Browse the sunrise and sunset times for Port-of-Spain, Trinidad in September 2025. Select a month to view Port-of-Spain, Trinidad sunrise and sunset times for the next 12 months.

JanFebMarAprMayJunJulAugSepOctNovDec

Date Sunrise times Sunset times
Monday, 1st September 2025 05:56 18:15
Monday, 15th September 2025 05:56 18:06
Tuesday, 30th September 2025 05:55 17:57

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