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Los Chiles weather in September (Alajuela, Costa Rica)

How's the weather trend in Los Chiles as September approaches? Curious if the timing is right for your trip? Our page offers an in-depth look at the monthly weather conditions.

Temperatures

In September, the weather in Los Chiles generally includes very high temperatures and heavy rainfall. Daytime temperatures generally peak at 31°C, but after sunset, they often decrease to around 23°C. Typical temperatures can be misleading; some days will be hotter. Prepare with light clothing and plenty of hydration to stay cool.

Precipitation

Los Chiles in September falls under the rainy season with heavy rainfall, averaging around 294 mm for the month. Typically, you can expect about 23 days of rain this month.

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

Need inspiration to choose your next destination? Our innovative weather planner helps you discover the perfect getaway tailored to your ideal climate conditions.

Select a Month of Interest

Check the conditions for any month of the year.

For a detailed overview over the year and the best time to visit Costa Rica, check out our Los Chiles's climate page.

Los Chiles, monthly averages in September

Min TemperatureMin Temperature 23°C  
Max TemperatureMax Temperature 31°C  
Chance of RainChance of Rain 76%  
PrecipitationPrecipitation 294 mm  
Rainy daysRainy days 23 days  
HumidityHumidity 88%  

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.

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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).

Select a Month of Interest

Check the conditions for any month of the year.

For a detailed overview over the year and the best time to visit Costa Rica, check out our Los Chiles's climate page.

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.

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 Los Chiles.

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.