Poás Volcano National Park Weather in September

Average temperatures, rainfall, sunshine and the best places to visit in Poás Volcano National Park, Costa Rica in September.

Are you planning a trip a to Poás Volcano National Park, Costa Rica in September and wondering what kind of weather to expect? This page has all the details you need.

What to Expect in Poás Volcano National Park in September

Poás Volcano National Park, Costa Rica is a region in Costa Rica. September in Poás Volcano National Park generally has warm temperatures, with heavy precipitation.

Temperatures

You can expect warm maximum daytime temperatures of around 26°C (79°F) and nighttime temperatures around 18°C (64°F) in Poasito.

To explore the conditions in Poás Volcano National Park, Costa Rica in more detail, check the map below.

Precipitation

In September, precipitation varies across different areas. From heavy rainfall in Poasito with an average of 355 mm (14 in) to heavy rainfall in Fraijanes with 363 mm (14 in).

Average sunshine

Most areas see decent amounts of sunshine this month. Poasito gets around 149 hours of sunlight, providing a pleasant balance of sun and clouds. If you'd prefer more guaranteed sunshine, our weather planner can show you sunnier spots around the world.

Explore Poás Volcano National Park by month

Best Places to Visit in Poás Volcano National Park in September

Click on a destination dot for more details. Toggle the map to compare temperatures or precipitation across Poás Volcano National Park.

perfect weather
pleasant
tolerable
unpleasant
poor

Perfect weather is subjective. On this map perfect weather has been defined with temperatures between 20°C (68°F) and 29°C (84°F) and not too much precipitation (less than 90 mm (3.5 in) a month).

Popular Destinations in Poás Volcano National Park

What is the weather like in September for some of the most popular destinations in Poás Volcano National Park, Costa Rica?

Temperature range in Poás Volcano National Park (September)

Precipitation variation in Poás Volcano National Park (September)

Poasito

In September Poasito generally has high temperatures with maximum daytime temperatures around 26°C (79°F), minimum nighttime temperatures around 18°C (64°F) and heavy monthly rainfall. So on average the conditions are poor that month.

August
September
October
Max temperature
26°C (79°F)
26°C (79°F)
25°C (77°F)
Min temperature
18°C (64°F)
18°C (64°F)
18°C (64°F)
Monthly sun hours
160 hours
149 hours
162 hours
Monthly rainfall
301 mm (12 in)
355 mm (14 in)
375 mm (15 in)
Monthly rainy days
24 days
24 days
23 days
Weather conditions

Fraijanes

In September Fraijanes generally has high temperatures with maximum daytime temperatures around 26°C (79°F), minimum nighttime temperatures around 18°C (64°F) and heavy monthly rainfall. So on average the conditions are poor that month.

August
September
October
Max temperature
26°C (79°F)
26°C (79°F)
25°C (77°F)
Min temperature
18°C (64°F)
18°C (64°F)
18°C (64°F)
Monthly sun hours
160 hours
149 hours
162 hours
Monthly rainfall
307 mm (12 in)
363 mm (14 in)
382 mm (15 in)
Monthly rainy days
24 days
24 days
23 days
Weather conditions

Is your destination not in the list? Have a look at all destinations in Poás Volcano National Park, in Costa Rica.

Popular cities in September

Day & night temperatures, rainfall and average weather in Poás Volcano National Park in September.

City Weather Day temp Night temp Rainfall
Poasito 26°C (79°F) 18°C (64°F) 355 mm (14 in)
Fraijanes 26°C (79°F) 18°C (64°F) 363 mm (14 in)

Poás Volcano National Park weather in September: frequently asked questions

What is the weather like in Poás Volcano National Park, Costa Rica in September?

Expect poor weather across Poás Volcano National Park, Costa Rica in September. The popular destination of Poasito averages 26°C (79°F) by day and 18°C (64°F) at night during this month.

What is the average temperature in Poás Volcano National Park, Costa Rica in September?

Daytime temperatures in Poasito peak at roughly 26°C (79°F) in September, dropping to about 18°C (64°F) overnight.

Does Poás Volcano National Park, Costa Rica get a lot of rain in September?

Rainfall in Poás Volcano National Park, Costa Rica peaks during September. Poasito averages roughly 355 mm (14 in), so frequent and sometimes heavy showers are the norm.

Is September a Good Time to Visit Poás Volcano National Park, Costa Rica?

In our view, September might not be the best time to travel to Poás Volcano National Park, Costa Rica with often poor weather in Poasito.

Generally speaking, the best visiting conditions can be found in February and March offering mostly perfect weather in Poasito. The weather in May, June, July, August, September, October and November, on the other hand, tends to be poor.

Interested in more climate information?

We have much more information about the climate in Poás Volcano National Park.

Weather and climate has detailed information for every country in the world. Are you going to Costa Rica? Get detailed 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.

Bucket list

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