Culebra weather in September 2025

Expect 88°F daytime maximum temperatures in the shade with on average 8 hours of sunshine per day in Culebra in September. Check more long-term weather averages for Culebra in September before you book your next holiday to Puerto Rico in 2025/2026.

  • 88°F maximum daytime temperature in September in Culebra88
    88°F max day temperature
  • 8 hours of sunshine per day
  • 15 days with some rainfall in September in Culebra15
    15 days with some rainfall
  • 75°F minimum night-time temperature in September in Culebra75
    75°F min night temperature
  • 12 hours of daylight per day in September in Culebra12
    12 hours of daylight per day
  • High heat & humidity in September in CulebraH
    High heat & humidity
  • 6.2 inches monthly rainfall in September in Culebra6.2
    6.2 inches of monthly rainfall
  • UV (maximum) index 11+ (Extreme) in September in Culebra11
    11+ (Extreme) UV index
  • 84°F sea temperature in September in Culebra84
    84°F sea temperature

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The September weather guide for Puerto Rico (Culebra) 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 Culebra in September?

Daytime temperatures usually reach 88°F in Culebra in September with high heat and humidity, falling to 75°F at night.

How sunny is it in Culebra in September?

There are normally 8 hours of bright sunshine each day in Culebra in September - that's 64% of daylight hours.

How warm is the sea around Culebra in September?

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

Does it rain in Culebra in September?

There are usually 15 days with some rain in Culebra in September and the average monthly rainfall is 6.2 inches.

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

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

Culebra September sunrise & sunset times

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

JanFebMarAprMayJunJulAugSepOctNovDec

Date Sunrise times Sunset times
Monday, 1st September 2025 06:07 18:35
Monday, 15th September 2025 06:09 18:23
Tuesday, 30th September 2025 06:12 18:10

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