Weather in Costa Rica in september 2021

In this section, check out the weather forecast for september for most popular cities in Costa Rica. These datas are probabilities for september from weather reports for over 10 years. The percentage indicates the possibility of having the weather indicated.


Where to go in Costa Rica in september?

Where to go in Costa Rica in september: destination map

Legend: perfect weather good tolerable bad very bad

Where should you go in Costa Rica in september when it comes to the weather?

Remember:
The climate in Costa Rica in september ranges from good to very bad depending on the region and city.

Climate conditions throughout the Costa Rican territory are characterized by the abundance of rain and the permanent presence of heat. Prepare to have rainy days because the climate in Costa Rica throughout September is far from pleasant, despite the slight decrease in precipitation.

Costa Rican East Coast in September

Compared to the abundance of rain in other parts of the country, the rainfall on the Caribbean coast is acceptable. Only due to the rise of heat, scorching middays succeed the comfortable mornings. It will then be necessary to arrange to stay away from the sun, at the most uncomfortable hours of the day.

The Center of Costa Rica in September

The central plateau is the most wet in Costa Rica. Beginning at daybreak, expect rainfall events that can range from moderately intense to very intense. Even if the temperatures are lower compared to those on the coasts, the weather in Costa Rica throughout September is far from pleasant.

The West Coast of Costa Rica in September

Depending on the geographical location of the cities, the heat can be pleasant or unbearable. Maximum temperatures range from 24° C to 32° C. Either way, the heavy rains rarely provide the opportunity to enjoy sunny days.



Climate in Costa Rica in september

Climate in San Jose in september

In the month of september, maximum temperature is 76°F and minimum temperature is 63°F (for an average temperature of 70°F). The climate quite good there in this month. With 26.7in over 29 days, you may find yourself often in the rain during your journey. Consider to bring Rain coats.

September
Average temperature 70°F
Highest temperature 76°F
Lowest temperature 63°F
Rainfall 26.7in
Number of days with rainfall 29 day(s)
(96%)
Humidity 94%
Daily sunshine hours 10
Cloud cover 63%
Length of day 12:11
Our opinion at whereandwhen.net very bad
more information about the climate in San Jose in september

Climate in Montezuma in september

In september, the mean temperature in Montezuma is 81°F (maximum temperature is 86°F and minimum temperature is 76°F). The climate is very warm there in the month of september. With 13.6in over 28 days, rain is to be feared during your stay. So remember to bring clothes for rain.

September
Average temperature 81°F
Highest temperature 86°F
Lowest temperature 76°F
Rainfall 13.6in
Number of days with rainfall 28 day(s)
(95%)
Humidity 88%
Daily sunshine hours 11
Cloud cover 41%
Length of day 12:11
Our opinion at whereandwhen.net tolerable
more information about the climate in Montezuma in september

Climate in Puerto Limón in september

In september, maximum temperature is 92°F and minimum temperature is 79°F (for an average temperature of 85°F). The climate is very hot in that locality in the month of september. With just 4.1in over 16 days, rain may be scarce throughout your stay.
With a bad weather, september is not the best time to go in this city.

September
Average temperature 85°F
Highest temperature 92°F
Lowest temperature 79°F
Sea temperature 85°F
Rainfall 4.1in
Number of days with rainfall 16 day(s)
(52%)
Humidity 75%
Daily sunshine hours 11
Cloud cover 29%
Length of day 12:11
Our opinion at whereandwhen.net good
more information about the climate in Puerto Limón in september

Climate in Puntarenas in september

In the month of september, maximum temperature is 88°F and minimum temperature is 76°F (for an average temperature of 81°F). The climate is very hot in that locality in september. With 14.5in over 28 days, rain is to be feared for your trip. Consider to bring adapted clothes.

September
Average temperature 81°F
Highest temperature 88°F
Lowest temperature 76°F
Sea temperature 84°F
Rainfall 14.5in
Number of days with rainfall 28 day(s)
(93%)
Humidity 87%
Daily sunshine hours 11
Cloud cover 41%
Length of day 12:11
Our opinion at whereandwhen.net tolerable
more information about the climate in Puntarenas in september

Climate in Tamarindo in september

In the month of september, maximum temperature is 90°F and minimum temperature is 77°F (for an average temperature of 83°F). The climate is very hot here in the month of september. With 9.2in over 24 days, you will suffer the rain for your vacations. Remember to bring Rain coats.

September
Average temperature 83°F
Highest temperature 90°F
Lowest temperature 77°F
Rainfall 9.2in
Number of days with rainfall 24 day(s)
(82%)
Humidity 89%
Daily sunshine hours 11
Cloud cover 38%
Length of day 12:11
Our opinion at whereandwhen.net tolerable
more information about the climate in Tamarindo in september

All cities in Costa Rica in september

San Jose in septembervery bad weather
Montezuma in septembertolerable weather
Puerto Limón in septembergood weather
Puntarenas in septembertolerable weather
Tamarindo in septembertolerable weather
Alajuela in septembervery bad weather
Escazu in septembervery bad weather
Heredia in septembervery bad weather
La Cruz in septembertolerable weather
Liberia (Guanacaste) in septembertolerable weather
Monteverde in septembertolerable weather
Puerto Jiménez in septembertolerable weather
Quepos in septembertolerable weather
Uvita in septembervery bad weather
Atenas in septembertolerable weather
Belen in septembertolerable weather
Canas in septembertolerable weather
Desamparados in septembertolerable weather
Esparza in septembertolerable weather
Guacimo in septembergood weather
Guapiles in septembergood weather
See full list of cities (38)

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Weather data for Costa Rica in september:

Weather data for Costa Rica in september is derived from an average of the weather forecast since 2009 in Costa Rica. There is a margin of error and these forecasts are to be considered as general information only. The weather in Costa Rica can vary slightly from year to year, but these predictions should limit surprises. So you can pack your bags and check when is the best time to go to Costa Rica.


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