Costa Rica in september: average Weather, Temperature and Climate, Where to go?

How is the climate in Costa Rica in september? Is it the best time to go to Puerto Jiménez and Liberia (Guanacaste)? Check out weather datas and advices on this page.

very bad weather across 22% of the territory tolerable weather across 69% of the territory good weather across 11% of the territory

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Weather in Costa Rica in september 2020

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.

Weather details in september

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.

Weather in august in Costa Rica

Weather in october in Costa Rica

Where to go in Costa Rica in september?

Where to go in Costa Rica in september: destination map

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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.

warning in september the weather is not the same depending on the city and regions of the country.

This month is not the best month to go to in Costa Rica. The climate in Puerto Limón is bad. It's cold, the sun is not there all the time and you take the risk being faced with rain very frequently.

It's worse around the cities of Puerto Limón and surrounding areas where the climate is even worse. We really do not recommend you to travel to these areas in september.

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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.

	August	September	October
Average temperature	70°F	70°F	68°F
Highest temperature	77°F	76°F	76°F
Lowest temperature	63°F	63°F	63°F
Rainfall	25in	26.7in	31.2in
Number of days with rainfall	28 day(s) (89%)	29 day(s) (96%)	29 day(s) (94%)
Humidity	93%	94%	95%
Daily sunshine hours	11	10	10
Cloud cover	60%	63%	66%
Length of day	12:26	12:11	11:55
Our opinion at whereandwhen.net	very bad	very bad	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.

	August	September	October
Average temperature	83°F	81°F	81°F
Highest temperature	88°F	86°F	86°F
Lowest temperature	76°F	76°F	76°F
Rainfall	12.6in	13.6in	18.2in
Number of days with rainfall	26 day(s) (84%)	28 day(s) (95%)	28 day(s) (91%)
Humidity	87%	88%	89%
Daily sunshine hours	12	11	11
Cloud cover	38%	41%	43%
Length of day	12:26	12:11	11:55
Our opinion at whereandwhen.net	tolerable	tolerable	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.

	August	September	October
Average temperature	85°F	85°F	85°F
Highest temperature	90°F	92°F	90°F
Lowest temperature	77°F	79°F	79°F
Sea temperature	85°F	85°F	85°F
Rainfall	7.1in	4.1in	5.2in
Number of days with rainfall	19 day(s) (60%)	16 day(s) (52%)	17 day(s) (56%)
Humidity	75%	75%	75%
Daily sunshine hours	11	11	11
Cloud cover	35%	29%	33%
Length of day	12:27	12:11	11:54
Our opinion at whereandwhen.net	good	good	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.

	August	September	October
Average temperature	81°F	81°F	81°F
Highest temperature	88°F	88°F	86°F
Lowest temperature	76°F	76°F	74°F
Sea temperature	85°F	84°F	83°F
Rainfall	13in	14.5in	18.3in
Number of days with rainfall	25 day(s) (81%)	28 day(s) (93%)	27 day(s) (87%)
Humidity	86%	87%	87%
Daily sunshine hours	12	11	11
Cloud cover	38%	41%	43%
Length of day	12:26	12:11	11:55
Our opinion at whereandwhen.net	tolerable	tolerable	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.

	August	September	October
Average temperature	83°F	83°F	81°F
Highest temperature	90°F	90°F	88°F
Lowest temperature	77°F	77°F	76°F
Rainfall	7.2in	9.2in	10.5in
Number of days with rainfall	20 day(s) (65%)	24 day(s) (82%)	23 day(s) (76%)
Humidity	87%	89%	89%
Daily sunshine hours	12	11	11
Cloud cover	33%	38%	40%
Length of day	12:28	12:11	11:54
Our opinion at whereandwhen.net	tolerable	tolerable	tolerable

more information about the climate in Tamarindo in september

All cities in Costa Rica in september

San Jose in september	very bad weather
Montezuma in september	tolerable weather
Puerto Limón in september	good weather
Puntarenas in september	tolerable weather
Tamarindo in september	tolerable weather
Alajuela in september	very bad weather
Escazu in september	very bad weather
Heredia in september	very bad weather
La Cruz in september	tolerable weather
Liberia (Guanacaste) in september	tolerable weather
Monteverde in september	tolerable weather
Puerto Jiménez in september	tolerable weather
Quepos in september	tolerable weather
Uvita in september	very bad weather
Atenas in september	tolerable weather
Belen in september	tolerable weather
Canas in september	tolerable weather
Desamparados in september	tolerable weather
Esparza in september	tolerable weather
Guacimo in september	good weather
Guapiles in september	good 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.