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.
tolerable weather across 93% of the territory good weather across 8% of the territory
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.
Average weather in september in San Jose
tolerable weather
Weather at 6am
63°F
Fog
48% of time
23%
16%
10%
Weather at 12pm
74°F
Partly Cloudy
46% of time
17%
10%
10%
Weather at 6pm
67°F
Fog
66% of time
20%
8%
6%
Weather at 3am
63°F
37%
25%
17%
15%
Where to go in Costa Rica in september?
Where to go in Costa Rica in september: destination map
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 is tolerable across the board.
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 68°F). The climate quite good there in this month. With 15in over 29 days, you may find yourself often in the rain during your journey. Consider to bring Rain coats.
| September | |||
| Average temperature | 68°F | ||
| Highest temperature | 76°F | ||
| Lowest temperature | 63°F | ||
| Rainfall | 15in | ||
| Number of days with rainfall | 29 day(s) (96%) | ||
| Humidity | 94% | ||
| Daily sunshine hours | 10 | ||
| Cloud cover | 65% | ||
| Length of day | 12:11 | ||
| Our opinion at whereandwhen.net | tolerable |
Climate in Montezuma in september
In september, the mean temperature in Montezuma is 81°F (maximum temperature is 85°F and minimum temperature is 76°F). The climate is very warm there in the month of september. With 10in over 27 days, rain is to be feared during your stay. So remember to bring clothes for rain.
| September | |||
| Average temperature | 81°F | ||
| Highest temperature | 85°F | ||
| Lowest temperature | 76°F | ||
| Rainfall | 10in | ||
| Number of days with rainfall | 27 day(s) (91%) | ||
| Humidity | 88% | ||
| Daily sunshine hours | 11 | ||
| Cloud cover | 45% | ||
| Length of day | 12:11 | ||
| Our opinion at whereandwhen.net | tolerable |
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 3.7in over 14 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 | 3.7in | ||
| Number of days with rainfall | 14 day(s) (47%) | ||
| Humidity | 74% | ||
| Daily sunshine hours | 11 | ||
| Cloud cover | 33% | ||
| Length of day | 12:10 | ||
| Our opinion at whereandwhen.net | tolerable |
Climate in Puntarenas in september
In the month of september, maximum temperature is 85°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 9.3in over 26 days, rain is to be feared for your trip. Consider to bring adapted clothes.
| September | |||
| Average temperature | 81°F | ||
| Highest temperature | 85°F | ||
| Lowest temperature | 76°F | ||
| Sea temperature | 84°F | ||
| Rainfall | 9.3in | ||
| Number of days with rainfall | 26 day(s) (86%) | ||
| Humidity | 87% | ||
| Daily sunshine hours | 11 | ||
| Cloud cover | 44% | ||
| Length of day | 12:11 | ||
| Our opinion at whereandwhen.net | tolerable |
Climate in Tamarindo in september
In the month of september, maximum temperature is 86°F and minimum temperature is 83°F (for an average temperature of 85°F). The climate is very hot here in the month of september. With 4.2in over 19 days, you will suffer the rain for your vacations. Remember to bring Rain coats.
| September | |||
| Average temperature | 85°F | ||
| Highest temperature | 86°F | ||
| Lowest temperature | 83°F | ||
| Rainfall | 4.2in | ||
| Number of days with rainfall | 19 day(s) (62%) | ||
| Humidity | 80% | ||
| Daily sunshine hours | 11 | ||
| Cloud cover | 41% | ||
| Length of day | 12:11 | ||
| Our opinion at whereandwhen.net | tolerable |
All cities in Costa Rica in september
| San Jose in september | tolerable weather |
| Montezuma in september | tolerable weather |
| Puerto Limón in september | tolerable weather |
| Puntarenas in september | tolerable weather |
| Tamarindo in september | tolerable weather |
| Alajuela in september | tolerable weather |
| Escazu in september | tolerable weather |
| Heredia in september | tolerable 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 | tolerable 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 |
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.