The climate in Punta de Piedras during September can be summarized as very hot, humid and reasonably dry.
September is in the fall / autumn in Punta de Piedras and is typically the warmest month of the year. Daytime maximum temperatures average around a steamy 34°C (92°F), whilst at night 24°C (75°F) is normal.
| Daytime temperature | 33.5°C 92.3°F |
|---|---|
| Nightly temperature | 24.1°C 75.4°F |
| Average temperature | 28.8°C 83.8°F |
| Daily sunshine | 8.4 hrs |
| Avg rainfall | 42 mm 1.6 ins |
| Rainy days | 3 days |
| Sea temperature | 28.2°C 82.8°F |
| Humidity | 76% |
| Windspeed | 9kph 6 mph |
On average September is the 6th driest month of the year in Punta de Piedras with around 42mm 1.6 inches of rain making it a reasonably dry time to visit. This rainfall is typically spread over 3 days, although this may vary considerably.
On the flip side this corresponds to an average of 8.4 hours of sunshine per day.
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 Punta de Piedras in September 2025.
Best places to visit in September
| Hottest month: | September | 33.3°C 91.9°F |
|---|---|---|
| Driest month: | April | 13mm 0.5ins |
| Sunniest month: | February | 9.1hrs |
| Coldest month: | February | 31°C 87.8°F |
| Wettest month: | December | 97mm 3.8ins |