Coco weather in September (Guanacaste, Costa Rica)

How is the weather in Coco in September? Wondering if it's the right time to visit? Browse this page for a comprehensive overview of the weather conditions for that month.

In September, Coco generally has high temperatures and heavy rainfall. Throughout the day, temperatures typically settle at around 30°C. But by evening, they drop to around 25°C. Keep in mind, these temperatures are averages, and some days might be even warmer. Dress suitably to manage the heat.

Coco in September falls under the rainy season with heavy rainfall, averaging around 286 mm for the month. Typically around 23 days of rainfall is expected.

The area enjoys a balanced 158 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 Coco. January, February, March, April and December generally stand out with the best circumstances. While May, June, September and October tend to showcase less optimal conditions.

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

 

Coco, monthly averages in September

Min TemperatureMin Temperature 25°C  
Max TemperatureMax Temperature 30°C  
Chance of RainChance of Rain 77%  
PrecipitationPrecipitation 286 mm  
Rainy daysRainy days 23 days  
HumidityHumidity 86% *  
SunshineSunshine 158 hours *  
Percentage SunshinePercentage Sunshine *  
* Data from: Liberia, Costa Rica (30 KM, 19 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.

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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 Coco 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.

Swimming
7/10
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 Coco.

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.