Bajo Negro weather in September (Costa Rica)

How's the weather trend in Bajo Negro as September approaches? See what weather conditions to anticipate this month with our guide.

Temperatures

September in Bajo Negro generally includes high temperatures and heavy rainfall. You can expect daytime temperatures to reach around 29°C, while the nights will see a decline to about 25°C.

Precipitation

Bajo Negro in September falls under the rainy season with heavy rainfall, averaging around 362 mm for the month. You can typically expect 23 days days of rain this month, based on climate records.

Average sunshine

The area enjoys a moderate level of sunlight, with around 159 hours. It's a good balance between sunny and cloudy days.

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

 

Bajo Negro, monthly averages in September

Min Temperature 25°C  

Max Temperature 29°C  

Chance of Rain 75%  

Precipitation 362 mm  

Rainy days 23 days  

Windspeed 4 km/h *  

Sunshine 159 hours *  

Percentage Sunshine *  

Data from: Puntarenas, Costa Rica (15 KM, 9 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 Bajo Negro.

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.