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). 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.

Monthly Averages in September

Show in Fahrenheit

Min Temperature 24 °C
Max Temperature 31 °C
Water Temperature 29 °C
Chance of Rain 60%
Precipitation 134mm
Rainy Days 18
Sunshine Hours 235

Where to stay in Humacao

What To Do

We rated the following activities from 1 (least suitable) to 10 (best) to do in .

Swimming
9/10
Cycling
7/10
Walking
7/10
Camping
6/10
Outdoor sports
7/10

Weather Forecasts for Humacao

SUN Dec 05
28°C | 24°C

Moderate rain

MON Dec 06
29°C | 23°C

Moderate rain

TUE Dec 07
28°C | 24°C

Moderate rain

Interested in more climate information?

Weather and Climate provides you with all the information you need about the climate in Humacao.

Our site offers climate and forecast data for almost all countries in the world. Are you going to Puerto Rico? On this website you can find historical weather averages for many cities in Puerto Rico. Not sure yet where to go? We now have a tool which suggests which destination suits your ideal climate conditions. Find out where to go with our weather planner.