Rio Grande weather in September (Puerto Rico)
Will it be rainy or sunny in Rio Grande this September? Check out this detailed guide to the month’s weather conditions.
Temperatures
In September, Rio Grande usually has very high temperatures and heavy rainfall. Throughout the day, temperatures can rise to about 31°C. At night, they generally drop to 26°C. Although these are average temperatures, some days can be hotter. Wear cool, breathable clothing and protect yourself from the sun.
Precipitation
Rio Grande in September usually receives heavy rainfall, averaging around 164 mm for the month. Prepare for the heaviest rain of the year this month, which often comes in heavy showers. A poncho is a smart choice to stay dry. Historically, the month has about 18 days of rain.Average sunshine
With approximately 236 hours hours of sun, the days are filled with brightness. It makes it a perfect month for outdoor activities.If you're looking for dry conditions and comfortable temperatures, September may not be the ideal month to visit Rio Grande. January, February, March, April and December typically offer the most agreeable circumstances. On the other hand, June, July, August, September and October tend to be characterized by conditions that may not be as optimal.
For an in-depth look at the yearly conditions, visit our specialized Rio Grande climate page with graphs.
Rio Grande, monthly averages in September
Min Temperature
26°C
Max Temperature
31°C
Water Temperature
29°C *
Chance of Rain
60%
Precipitation
164 mm
Rainy days
18 days
Humidity
76% *
Windspeed
11 km/h *
Sunshine
236 hours *
Percentage Sunshine
64% *
Where to go in Puerto Rico in September
Find out more about the weather in Puerto Rico and which places have the best travel conditions in this month.
perfect weather
pleasant
tolerable
unpleasant
poor
So, what should you wear in this month?
It's going to be warm! Consider airy clothing, t-shirts, and other summer clothes. Shorts for men made of cotton or linen are good options for staying cool. However, there's a good chance of rain, so bring a raincoat just in case. With a water temperature of around 29°C this is a great month to swim so bring your swimwear.What To Do
We rated the following activities from 1 (least suitable) to 10 (best) to do.
Interested in more climate information?
This site provides you with all the information you need about the climate in Rio Grande.
Our site offers climate and forecast data for every country 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 recommends destinations that suit your ideal travel conditions. Find out where to go with our weather planner.
