Carrillo weather in September (Guanacaste, Costa Rica)

Is September a good time to explore Carrillo weather-wise? Want to know if this month is ideal for visiting? Our guide provides detailed weather information.

Temperatures

In September, Carrillo tends to experience high temperatures and heavy rainfall. Throughout the day, temperatures can rise to about 29°C. At night, they generally drop to 24°C. Keep in mind, these temperatures are averages, and some days might be even warmer. Dress suitably to manage the heat.

Precipitation

Carrillo in September falls under the rainy season with heavy rainfall, averaging around 429 mm for the month. Records from the past 30 years suggest that around 23 days will experience rain.

Average sunshine

The month brings about 159 hours of sunlight, offering a comfortable mix of sun and shade.

If you're looking for dry conditions and comfortable temperatures, September may not be the ideal month to visit Carrillo. January, February and March typically offer the best circumstances. While May, June, July, August, September and October tend to showcase less optimal conditions.

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

 

Carrillo, monthly averages in September

Min Temperature 24°C  

Max Temperature 29°C  

Chance of Rain 76%  

Precipitation 429 mm  

Rainy days 23 days  

Sunshine 159 hours *  

Percentage Sunshine *  

* Data from: Puntarenas, Costa Rica (70 KM, 43 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.

Swimming

7/10

Cycling

7/10

Walking

7/10

Camping

6/10

Outdoor sports

7/10

Interested in more climate information?

This site provides you with all the information you need about the climate in Carrillo.

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.