Puerto Rico weather in September 2022

  • 30°C maximum daytime temperature in September in Puerto Rico (San Juan)30
    30°C max day temperature
  • 8 hours of sunshine per day
  • 18 days with some rainfall in September in Puerto Rico (San Juan)18
    18 days with some rainfall
  • 23°C minimum night-time temperature in September in Puerto Rico (San Juan)23
    23°C min night temperature
  • 12 hours of daylight per day in September in Puerto Rico (San Juan)12
    12 hours of daylight per day
  • High heat & humidity in September in Puerto Rico (San Juan)H
    High heat & humidity
  • 188 mm monthly rainfall in September in Puerto Rico (San Juan)188
    188 mm of monthly rainfall
  • UV (maximum) index 11+ (Extreme) in September in Puerto Rico (San Juan)11
    11+ (Extreme) UV index
  • 29°C sea temperature in September in Puerto Rico (San Juan)29
    29°C sea temperature

Below are average maximum temperatures at popular destinations in Puerto Rico in September. Select a destination to see more weather parameters.

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The September weather guide for Puerto Rico (San Juan) 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.

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Metric (°C / mm)  |  Imperial (°F / inches)

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More about Puerto Rico

How hot is it in Puerto Rico in September?

Daytime temperatures usually reach 30°C in San Juan, Puerto Rico in September with high heat and humidity, falling to 23°C at night.

How sunny is it in Puerto Rico in September?

There are normally 8 hours of bright sunshine each day in San Juan, Puerto Rico in September - that's 64% of daylight hours.

How warm is the sea around Puerto Rico in September?

The average sea temperature around San Juan, Puerto Rico in September is 29°C.

Does it rain in Puerto Rico in September?

There are usually 18 days with some rain in San Juan, Puerto Rico in September and the average monthly rainfall is 188mm.

What is the chance of a hurricane in Puerto Rico in September?

On average 1.1 days in September in San Juan, Puerto Rico are likely to be affected by the passage of one or more tropical storms.

Puerto Rico September sunrise & sunset times

Browse the sunrise and sunset times for Puerto Rico in September 2022. Select a month to view Puerto Rico sunrise and sunset times for the next 12 months. The Puerto Rico sunrise and sunset times shown below are for San Juan.

JanFebMarAprMayJunJulAugSepOctNovDec

Date Sunrise times Sunset times
Thursday, 1st September 2022 06:10 18:39
Thursday, 15th September 2022 06:12 18:27
Friday, 30th September 2022 06:15 18:14

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