Puerto Rico Weather in September
What's the weather like in Puerto Rico (Meta) in September 2024?
The climate in Puerto Rico during September can be summarized as hot, humid and very wet.
September is in the fall / autumn in Puerto Rico and is typically the 4th coldest month of the year. Daytime maximum temperatures average around a steamy 31°C (87°F), whilst at night 21°C (69°F) is normal.
| Daytime temperature | 30.6°C 87°F |
|---|---|
| Nightly temperature | 20.7°C 69.2°F |
| Average temperature | 25.6°C 78.1°F |
| Daily sunshine | 4.7 hrs |
| Avg rainfall | 240 mm 9.4 ins |
| Rainy days | 20 days |
| Sea temperature | 26°C 78.8°F |
| Humidity | 85% |
| Windspeed | 7.6kph 5 mph |
On average September is the 6th driest month of the year in Puerto Rico with around 240mm 9.4 inches of rain making it a very wet time to visit. This rainfall is typically spread over 20 days, although this may vary considerably.
On the flip side this corresponds to an average of 4.7 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 2024.
Other monthly averages
Best places to visit in September
Puerto Rico weather stats
| Hottest month: | March | 32.4°C 90.3°F |
|---|---|---|
| Driest month: | January | 38mm 1.5ins |
| Sunniest month: | January | 6.4hrs |
| Coldest month: | July | 29.1°C 84.4°F |
| Wettest month: | June | 336mm 13.2ins |
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