Heredia Weather in September

Average temperatures, rainfall, sunshine and the best places to visit in Heredia, Costa Rica in September.

Thinking about venturing to Heredia, Costa Rica this September and curious about the weather conditions to expect? This page holds all the key information you seek, responding to your question:

What to Expect in Heredia in September

Heredia, Costa Rica is a region in Costa Rica. September in Heredia generally has temperatures that range from warm to very warm, with heavy precipitation.

Temperatures

The average maximum daytime temperatures vary from warm in Santo Domingo at 25°C (77°F) to very warm in Sarapiquí at 30°C (86°F). Nighttime temperatures generally drop to 22°C (72°F) in Sarapiquí and 16°C (61°F) in Santo Domingo.

To learn more about the conditions in specific areas of Heredia, Costa Rica, check out the map below.

Precipitation

In September, precipitation varies across different areas. From heavy rainfall in Sarapiquí with an average of 286 mm (11 in) to heavy rainfall in San Antonio with 458 mm (18 in).

Average sunshine

Sunshine levels are moderate in most locations. Heredia typically sees 149 hours of sunlight, creating comfortable conditions that aren't too bright or too dim. Looking for something sunnier? Our weather planner helps you discover destinations with more reliable sunshine.

Explore Heredia by month

Best Places to Visit in Heredia in September

Click on a destination dot for more details. Toggle the map to compare temperatures or precipitation across Heredia.

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 Heredia

What is the weather like in September for some of the most popular destinations in Heredia, Costa Rica?

Temperature range in Heredia (September)

Precipitation variation in Heredia (September)

Heredia

In September Heredia generally has high temperatures with maximum daytime temperatures around 25°C (77°F), minimum nighttime temperatures around 17°C (63°F) and heavy monthly rainfall. So on average the conditions are poor that month.

August
September
October
Max temperature
25°C (77°F)
25°C (77°F)
24°C (75°F)
Min temperature
17°C (63°F)
17°C (63°F)
17°C (63°F)
Monthly sun hours
160 hours
149 hours
162 hours
Monthly rainfall
355 mm (14 in)
426 mm (17 in)
443 mm (17 in)
Monthly rainy days
24 days
24 days
24 days
Weather conditions

Tigre

In September Tigre generally has high temperatures with maximum daytime temperatures around 30°C (86°F), minimum nighttime temperatures around 21°C (70°F) and heavy monthly rainfall. So on average the conditions are poor that month.

August
September
October
Max temperature
29°C (84°F)
30°C (86°F)
29°C (84°F)
Min temperature
21°C (70°F)
21°C (70°F)
21°C (70°F)
Monthly sun hours
160 hours
149 hours
162 hours
Monthly rainfall
286 mm (11 in)
290 mm (11 in)
351 mm (14 in)
Monthly rainy days
22 days
22 days
22 days
Weather conditions

Sarapiquí

In September Sarapiquí generally has very high temperatures with maximum daytime temperatures around 30°C (86°F), minimum nighttime temperatures around 22°C (72°F) and heavy monthly rainfall. So on average the conditions are poor that month.

August
September
October
Max temperature
30°C (86°F)
30°C (86°F)
30°C (86°F)
Min temperature
22°C (72°F)
22°C (72°F)
22°C (72°F)
Monthly sun hours
160 hours
149 hours
162 hours
Monthly rainfall
294 mm (12 in)
286 mm (11 in)
356 mm (14 in)
Monthly rainy days
22 days
22 days
22 days
Weather conditions

San Antonio

In September San Antonio generally has high temperatures with maximum daytime temperatures around 25°C (77°F), minimum nighttime temperatures around 17°C (63°F) and heavy monthly rainfall. So on average the conditions are poor that month.

August
September
October
Max temperature
25°C (77°F)
25°C (77°F)
25°C (77°F)
Min temperature
17°C (63°F)
17°C (63°F)
17°C (63°F)
Monthly sun hours
160 hours
149 hours
162 hours
Monthly rainfall
387 mm (15 in)
458 mm (18 in)
467 mm (18 in)
Monthly rainy days
24 days
24 days
23 days
Weather conditions

Vara Blanca

In September Vara Blanca 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
300 mm (12 in)
353 mm (14 in)
376 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 Heredia, in Costa Rica.

Popular cities in September

Day & night temperatures, rainfall and average weather in Heredia in September.

City Weather Day temp Night temp Rainfall
Heredia 25°C (77°F) 17°C (63°F) 426 mm (17 in)
Tigre 30°C (86°F) 21°C (70°F) 290 mm (11 in)
Sarapiquí 30°C (86°F) 22°C (72°F) 286 mm (11 in)
San Antonio 25°C (77°F) 17°C (63°F) 458 mm (18 in)
Vara Blanca 26°C (79°F) 18°C (64°F) 353 mm (14 in)
Birrí 25°C (77°F) 17°C (63°F) 397 mm (16 in)

Heredia weather in September: frequently asked questions

What is the weather like in Heredia, Costa Rica in September?

In September, Heredia, Costa Rica generally has poor weather conditions. Heredia sees daytime temperatures near 25°C (77°F), with nights cooling to roughly 17°C (63°F).

What is the average temperature in Heredia, Costa Rica in September?

In Heredia, the average daytime high in September is 25°C (77°F), while nighttime temperatures drop to around 17°C (63°F).

Does Heredia, Costa Rica get a lot of rain in September?

Rainfall in Heredia, Costa Rica peaks during September. Heredia averages roughly 426 mm (17 in), so frequent and sometimes heavy showers are the norm.

Is September a Good Time to Visit Heredia, Costa Rica?

Given the typically poor weather conditions in Heredia, September may not be the ideal time to visit Heredia, Costa Rica.

On average, the best time to visit Heredia, Costa Rica is in January, February, March and April with generally perfect weather in Heredia. On the other hand, the weather in May, June, July, August, September, October and November tend to be poor.

Interested in more climate information?

We have much more information about the climate in Heredia.

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

Need travel inspiration? Check out our bucket list articles and be inspired.