Average weather in September in Humacao, Puerto Rico

The average minimum temperature (usually the minimum temperature is noted during the night) in Humacao in September is 24.0°C (75.2°F). The amount of rain in September is high with an average of 134mm (5.3in). It rains on average a total of 18 days. The average maximum daytime temperature lies around 31.0°C (87.8°F). This makes September the hottest month of the year. If you enjoy looking at a blue sky and love the sun than this is a great time to go to Humacao with 235 hours of sun.


So what to wear in September? Visitors traveling to Humacao should plan on bringing a totally waterproof rain jacket since it will often be raining. Also bring your shorts or a skirt because it can be very warm or even hot. With a water temperature of around 29.0°C (84.2°F), this is a great month to swim so bring your swimwear.

No idea where to travel to this year? We now have a tool which suggests which destination suits your ideal climate conditions. Find out where to go with our weather planner.

For other monthly average weather and what to do in September look at the numbers below.

Where to stay in Humacao

Weather Forecasts for Humacao

Show in Fahrenheit

FRI May 20

31°C | 23°C

Partly cloudy

SAT May 21

32°C | 24°C

Patchy rain possible

SUN May 22

32°C | 24°C

Patchy rain possible

5-Day Forecast 10-Day Forecast