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). Be prepared September is also the hottest month. The average maximum temperature lies around 31.0°C (87.8°F). During the night it can be very warm and sticky. With a water temperature of around 29.0°C (84.2°F), this is a great month to swim. If you enjoy looking at a blue sky and like sunbathing than this month is a great period to visit Humacao. It has 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 be raining some days. Also bring your shorts and or a skirt because it can be very warm or even hot.

Do these climate conditions match with when you want to go to Humacao? Find out where to stay here.

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

Weather and Climate offers all the information you need to know about the climate in Humacao.

We collected past weather data from many thousand weather stations around the world. So find on this website the historical weather averages in other cities in Puerto Rico and climate and forecast data for all other countries in the world.