Puerto Rico weather in September 2021

Get the latest coronavirus (Covid-19) updates for Puerto Rico with current travel advice and statistics on new cases per 100,000 and vaccine.

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 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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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.

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

Puerto Rico sunrise & sunset times for September 2021

Browse the sunrise and sunset times for Puerto Rico in September 2021. Select a month to view Puerto Rico sunrise & sunset times for the next 12 months. The Puerto Rico sunrise and sunset times shown below are for San Juan.

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