Colón weather in September (San José, Costa Rica)

Thinking of visiting Colón in September? Check the weather first! Our guide gives you the essential weather details for this month.

Temperatures

In September, the weather in Colón generally includes high temperatures and heavy rainfall. Daytime temperatures are expected to be around 26°C, cooling off to about 18°C at night.

Precipitation

Colón in September falls under the rainy season with heavy rainfall, averaging around 556 mm for the month. Known for its peak rainfall, this month often has intense showers. It's wise to carry a poncho to protect yourself from the rain. Records from the past 30 years suggest that around 23 days will experience rain.

Average sunshine

The area enjoys a balanced 147 hours of sunlight, ensuring it's neither too overcast nor too sunny.

If you're looking for dry conditions and comfortable temperatures, September may not be the ideal month to visit Colón. January, February and March 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 Colón climate page with graphs.

 

Colón, monthly averages in September

Min Temperature 18°C  

Max Temperature 26°C  

Chance of Rain 77%  

Precipitation 556 mm  

Rainy days 23 days  

Humidity 86% *  

Windspeed 11 km/h *  

Sunshine 147 hours *  

Percentage Sunshine *  

Data from: Santamaria, Costa Rica (11 KM, 7 Miles).

Where to go in Costa Rica in September

Find out more about the weather in Costa Rica and which places have the best travel 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 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.

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 Colón.

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 travel conditions. Find out where to go with our weather planner.