Puerto Rico Weather in September
What's the weather like in Puerto Rico (Canary Islands) in September 2025?
The climate in Puerto Rico during September can be summarized as warm and dry.
September is in the fall / autumn in Puerto Rico and is typically the 2nd warmest month of the year. Daytime maximum temperatures average around a comfortable 25°C (78°F), whilst at night 18°C (65°F) is normal.
| Daytime temperature | 25.4°C 77.7°F |
|---|---|
| Nightly temperature | 18.4°C 65.1°F |
| Average temperature | 21.9°C 71.4°F |
| Daily sunshine | 8.4 hrs |
| Avg rainfall | 11 mm 0.4 ins |
| Rainy days | 2 days |
| Sea temperature | 23.3°C 73.9°F |
| Humidity | 68% |
| Windspeed | 15.5kph 10 mph |
On average September is the 5th driest month of the year in Puerto Rico with around 11mm 0.4 inches of rain making it a dry time to visit. This rainfall is typically spread over 2 days, although this may vary considerably.
On the flip side this corresponds to an average of 8.4 hours of sunshine per day.
September temperatures in Puerto Rico
September rainfall
September hourly sunshine
The data used in these monthly averages covers a period of over 100 years right up until last year. As such they are a valid prediction of what to expect for the weather in Puerto Rico in September 2025.
Other monthly averages
Best places to visit in September
Puerto Rico weather stats
| Hottest month: | August | 25.7°C 78.3°F |
|---|---|---|
| Driest month: | July | 1mm 0ins |
| Sunniest month: | August | 9.8hrs |
| Coldest month: | January | 18.1°C 64.6°F |
| Wettest month: | December | 45mm 1.8ins |
© Google
Locations nearby
Top Spain locations
- A Coruña
- Alcúdia
- Alicante
- Almería
- Barcelona
- Benidorm
- Cadiz
- Corralejo
- Girona
- Ibiza
- Las Palmas de Gran Canaria
- Madrid
- Málaga
- Marbella
- Murcia
- Palma
- Playa Blanca
- Playa de las Américas
- Playa del Ingles
- Salou
- San Sebastián
- Santiago de Compostela
- Tarragona
- Torremolinos
- Valencia