Fajardo weather in September 2025

Expect 84°F daytime maximum temperatures in the shade with on average 8 hours of sunshine per day in Fajardo in September. Check more long-term weather averages for Fajardo in September before you book your next holiday to Puerto Rico in 2025/2026.

  • 84°F maximum daytime temperature in September in Fajardo84
    84°F max day temperature
  • 8 hours of sunshine per day
  • 18 days with some rainfall in September in Fajardo18
    18 days with some rainfall
  • 72°F minimum night-time temperature in September in Fajardo72
    72°F min night temperature
  • 12 hours of daylight per day in September in Fajardo12
    12 hours of daylight per day
  • Very high heat & humidity in September in FajardoVH
    Very High heat & humidity
  • 13.5 inches monthly rainfall in September in Fajardo13.5
    13.5 inches of monthly rainfall
  • UV (maximum) index 11+ (Extreme) in September in Fajardo11
    11+ (Extreme) UV index
  • 84°F sea temperature in September in Fajardo84
    84°F sea temperature

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The September weather guide for Puerto Rico (Fajardo) 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)  |  Imperial (°F)

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More about Puerto Rico

How hot is it in Fajardo in September?

Daytime temperatures usually reach 84°F in Fajardo in September with very high heat and humidity, falling to 72°F at night.

How sunny is it in Fajardo in September?

There are normally 8 hours of bright sunshine each day in Fajardo in September - that's 63% of daylight hours.

How warm is the sea around Fajardo in September?

The average sea temperature around Fajardo in September is 84°F.

Does it rain in Fajardo in September?

There are usually 18 days with some rain in Fajardo in September and the average monthly rainfall is 13.5 inches.

What is the chance of a hurricane in Fajardo in September?

On average 1.1 days in September in Fajardo are likely to be affected by the passage of one or more tropical storms.

Fajardo September sunrise & sunset times

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

JanFebMarAprMayJunJulAugSepOctNovDec

Date Sunrise times Sunset times
Monday, 1st September 2025 06:08 18:37
Monday, 15th September 2025 06:10 18:25
Tuesday, 30th September 2025 06:13 18:12

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