San Sebastian weather in September (Puerto Rico)
What can you expect from the weather in San Sebastian during September? This guide provides all the details you need.
In September, San Sebastian generally has very high temperatures and high rainfall. Anticipate daytime temperatures around 31°C, while night temperatures can drop to 25°C. Keep in mind, these temperatures are averages, and some days might be even warmer. Dress suitably to manage the heat.
San Sebastian in September usually receives high rainfall, averaging around 158 mm for the month. This month marks the year's heaviest rainfall, with frequent intense rainshowers. It's advisable to be prepared with appropriate rain gear to stay dry. Based on our climate data of the past 30 years, about 17 days of rain are anticipated.
If you prefer dry days with pleasant temperatures, September may not be the ideal month to visit San Sebastian. January, February, March, April and December typically offer the most optimal weather. In contrast, May, June, August, September and October tend to have less optimal conditions.
For an in-depth look at the yearly conditions, visit our specialized San Sebastian climate page with graphs.
San Sebastian, monthly averages in September
Where to go in Puerto Rico in September
Find out more about the weather in Puerto Rico in September and which places have the best weather conditions in this month.
So, what should you wear in San Sebastian in September?
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.What To Do
We rated the following activities from 1 (least suitable) to 10 (best) to do in September.
Interested in more climate information?
Weather and Climate provides you with all the information you need about the climate in San Sebastian.
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 climate conditions. Find out where to go with our weather planner.