Ponce weather in September 2025

Expect 29°C daytime maximum temperatures in the shade with on average 8 hours of sunshine per day in Ponce in September. Check more long-term weather averages for Ponce in September before you book your next holiday to Puerto Rico in 2025/2026.

  • 29°C maximum daytime temperature in September in Ponce29
    29°C max day temperature
  • 8 hours of sunshine per day
  • 18 days with some rainfall in September in Ponce18
    18 days with some rainfall
  • 21°C minimum night-time temperature in September in Ponce21
    21°C min night temperature
  • 12 hours of daylight per day in September in Ponce12
    12 hours of daylight per day
  • Very high heat & humidity in September in PonceVH
    Very High heat & humidity
  • 243 mm monthly rainfall in September in Ponce243
    243 mm of monthly rainfall
  • UV (maximum) index 11+ (Extreme) in September in Ponce11
    11+ (Extreme) UV index
  • 29°C sea temperature in September in Ponce29
    29°C sea temperature

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The September weather guide for Puerto Rico (Ponce) 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 Puerto Rico

How hot is it in Ponce in September?

Daytime temperatures usually reach 29°C in Ponce in September with very high heat and humidity, falling to 21°C at night.

How sunny is it in Ponce in September?

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

How warm is the sea around Ponce in September?

The average sea temperature around Ponce in September is 29°C.

Does it rain in Ponce in September?

There are usually 18 days with some rain in Ponce in September and the average monthly rainfall is 243mm.

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

On average 1 day in September in Ponce is likely to be affected by the passage of one or more tropical storms.

Ponce September sunrise & sunset times

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

JanFebMarAprMayJunJulAugSepOctNovDec

Date Sunrise times Sunset times
Monday, 1st September 2025 06:12 18:40
Monday, 15th September 2025 06:14 18:28
Tuesday, 30th September 2025 06:17 18:16

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