Weather in Costa Rica in september 2024

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.

Average weather in september in San José

very bad weather

Weather at 6am
63°F

Fog

27%

Partly Cloudy

15%

Heavy rain

15%

Weather at 12pm
76°F

Heavy rain

40%

Partly Cloudy

6%

Clear/Sunny

4%

Weather at 6pm
68°F

Moderate rain at times

12%

Cloudy

3%

Fog

2%

Weather at 3am
63°F

Fog

38%

Moderate rain at times

26%

Heavy rain

17%

Partly Cloudy

13%

More information about the weather in San José in september



Where to go in Costa Rica in september?

Where to go in Costa Rica in september: destination map

Costa Rica: weather map in september in different regions
Costa Rica: weather map in september in different regions ©whereandwhen.net

Download the map

Where to go in each region in september?

Caribbean coast of Costa Rica
(Tortuguero, Puerto Limón, Manzanillo...)
good weather
Central valley
(San Jose, San Isidro, Cartago...)
very bad weather*
North of Costa Rica
(La Fortuna, Quesada, Boca San Carlos...)
very bad weather*
Pacific coast of Costa Rica
(Montezuma, Puntarenas, Puerto Jiménez...)
very bad weather*
Provincia Guanacaste
(La Cruz, Tamarindo, Liberia (Guanacaste)...)
very bad weather*
*over most of the region. Weather may vary locally.


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 José in september

In the month of september, maximum temperature is 77°F and minimum temperature is 63°F (for an average temperature of 70°F). The climate quite good there in this month. With 33.5in over 28 days, you may find yourself often in the rain during your journey. Consider to bring Rain coats.

September
Average temperature 70°F
Highest temperature 77°F
Lowest temperature 63°F
Rainfall 33.5in
Number of days with rainfall 28 day(s)
(95%)
Humidity 95%
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 José in september

Climate in La Cruz in september

In september, maximum temperature is 88°F and minimum temperature is 79°F (for an average temperature of 83°F). The climate is burning in that locality in september. With 9.2in over 16 days, you will suffer the rain for your holidays. Remember to pack rain clothes.
With proper weather, the month of september is okay (but not the best month) for traveling in that area.

September
Average temperature 83°F
Highest temperature 88°F
Lowest temperature 79°F
Sea temperature 85°F
Rainfall 9.2in
Number of days with rainfall 16 day(s)
(54%)
Humidity 87%
Daily sunshine hours 11
Cloud cover 43%
Length of day 12:11
Our opinion at whereandwhen.net tolerable
more information about the climate in La Cruz 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 77°F). The climate is very warm there in the month of september. With 19.7in over 25 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 77°F
Sea temperature 84°F
Rainfall 19.7in
Number of days with rainfall 25 day(s)
(85%)
Humidity 89%
Daily sunshine hours 11
Cloud cover 44%
Length of day 12:11
Our opinion at whereandwhen.net bad
more information about the climate in Montezuma in september

Climate in Puerto Limón in september

In september, maximum temperature is 88°F and minimum temperature is 79°F (for an average temperature of 83°F). The climate is very hot in that locality in the month of september. With just 8.5in over 12 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 83°F
Highest temperature 88°F
Lowest temperature 79°F
Sea temperature 85°F
Rainfall 8.5in
Number of days with rainfall 12 day(s)
(39%)
Humidity 75%
Daily sunshine hours 11
Cloud cover 33%
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 77°F (for an average temperature of 83°F). The climate is very hot in that locality in september. With 20.1in over 25 days, rain is to be feared for your trip. Consider to bring adapted clothes.

September
Average temperature 83°F
Highest temperature 88°F
Lowest temperature 77°F
Sea temperature 84°F
Rainfall 20.1in
Number of days with rainfall 25 day(s)
(85%)
Humidity 87%
Daily sunshine hours 11
Cloud cover 44%
Length of day 12:11
Our opinion at whereandwhen.net very bad
more information about the climate in Puntarenas in september


All cities in Costa Rica in september

San José in septembervery bad weather
La Cruz in septembertolerable weather
Montezuma in septemberbad weather
Puerto Limón in septembergood weather
Puntarenas in septembervery bad weather
Tamarindo in septembertolerable weather
Tortuguero in septembergood weather
Boca San Carlos in septemberbad weather
Cartago in septembervery bad weather
La Fortuna in septemberbad weather
Liberia (Guanacaste) in septemberbad weather
Manzanillo in septembergood weather
Puerto Jiménez in septembervery bad weather
Quesada in septembervery bad weather
San Isidro in septembervery bad weather
Alajuela in septembervery bad weather
Bananito Sur in septembergood weather
Cerro Chirripo in septembervery bad weather
Dominical in septembervery bad weather
Escazu in septembervery bad weather
Esterillos in septembertolerable weather
See full list of cities (84)



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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