Caño Negro weather in September (Costa Rica)

Looking to travel to Caño Negro in September? This guide provides all the details you need.

In September, Caño Negro generally has very high temperatures and heavy rainfall. Throughout the day, temperatures typically settle at around 30°C. But by evening, they drop to around 23°C. Bear in mind, these are average temperatures, and it can get even warmer on particular days. Make sure to choose clothing that accommodates the warmth.

Caño Negro in September falls under the rainy season with heavy rainfall, averaging around 287 mm for the month. Rain is expected on roughly 23 days.

If you're looking for dry conditions and comfortable temperatures, September may not be the ideal month to visit Caño Negro. January, February, March and April generally stand out with the best circumstances. While May, June, July, August, September, October and November tend to showcase less optimal conditions.

For an in-depth look at the yearly conditions, visit our specialized Caño Negro climate page with graphs.

 

Caño Negro, monthly averages in September

Min Temperature 23°C  

Max Temperature 30°C  

Chance of Rain 76%  

Precipitation 287 mm  

Rainy days 23 days  

Humidity 88% *  

* Data from: Los Chiles, Costa Rica (17 KM, 10 Miles).

Where to go in Costa Rica in September

Find out more about the weather in Costa Rica in September and which places have the best weather conditions in this month.

Weather conditions Weather

Temperatures

Precipitation

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Legend perfect weather pleasant tolerable unpleasant poor

Perfect weather is subjective. On this map perfect weather has been defined with temperatures between 20°C and 29°C and not too much precipitation (less than 90 mm a month).

So, what should you wear in Caño Negro 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.

Cycling

7/10

Walking

7/10

Camping

6/10

Outdoor sports

7/10

Interested in more climate information?

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

Our site offers climate and forecast data for every country in the world. Are you going to Costa Rica? On this website you can find historical weather averages for many cities in Costa Rica. 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.