Orosí weather in September (Cartago, Costa Rica)

Looking to travel to Orosí in September? Check out this comprehensive weather guide.

In September, Orosí typically experiences high temperatures and heavy rainfall. Throughout the daytime, temperatures often hover around 23°C. However, as the sun sets and evening approaches, there's a noticeable cool-down, with temperatures gently dropping to a more temperate 15°C.

Orosí in September falls under the rainy season with heavy rainfall, averaging around 421 mm for the month. Delving into the climate records from the past 30 years, one can predict that nearly 24 days of the month will see rainfall.

The area enjoys a balanced 149 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 Orosí. 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 Orosí climate page with graphs.

 

Orosí, monthly averages in September

Min Temperature 15°C  

Max Temperature 23°C  

Chance of Rain 80%  

Precipitation 421 mm  

Rainy days 24 days  

Humidity 85% *  

Sunshine 149 hours *  

Percentage Sunshine *  

* Data from: San José, Costa Rica (29 KM, 18 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 Orosí in September?

For visitors traveling to Orosí, we recommend wearing layers. So maybe a skirt, t-shirt, shorts for during the day and jeans and a warm jacket for some days and evenings. Bring a rain jacket in case it rains during your stay. Plan on layering your clothes.

What To Do

We rated the following activities from 1 (least suitable) to 10 (best) to do in September.

Swimming

6/10

Camping

6/10

Interested in more climate information?

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

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.