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San Juan, Puerto Rico — weather in September, water temperature

Weather in resort cities around the world, data for the past 5 years. Information includes daytime and nighttime temperatures, water temperature, rainfall, and day length. Convenient graphics and weather comparison in different resorts around the world.
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San Juan — weather by month, water temperature

San Juan — weather in September, water temperature

  • San Juan on the map Puerto Rico
  • 30.5°C Daytime temperatures
  • 26°C Night temperatures
  • 29.2°C Water temperature
  • 8 Sunny days
  • 12-12.5 Sun (hours)
  • 4 Rainy days
  • 90.5 mm Precipitation
  • San Juan Best time to visit
Air temperature 2022 2021 2020 2019 2018 2017 2016 2015 2014 2013

The maximum daily temperature 34.3°C — 24 September 2013.
The maximum night temperature 28°C — 15 September 2022.
The minimum daily temperature 25°C — 18 September 2022.
The minimum night temperature 23°C — 30 September 2022.

Water temperature 2022 2021 2020 2019 2018 2017 2016 2015 2014 2013

The warmest water 30.1 °C — 20 September 2020.
The coldest water 28.1 °C — 28 September 2017.

Sunny, cloudy and gloomy days

Sunny days — 8
Rainy days — 16
Gloomy days — 6

Precipitation, mm

Maximum precipitation 1243.6 mm — January.
Minimum precipitation 43.1 mm — April.

Wind speed, km / h

Maximum wind speed 20.3 km / h — July.
Minimum wind speed 13.9 km / h — October.

Number of hours of sunshine

The maximum number of hours of sunshine per day 7.8 h. — June.
The minimum number of hours of sunshine per day 5.5 h. — December.

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