What is the weather like in Quepos in September?

Expect temperatures between 23°C and 27°C with 90% average rain probability and about 8 hours of sunshine daily.

What is the weather like in Quepos in September?

Quepos in September scores 50/100 based on 30 years of climate data. Good option with minor considerations.

Who should visit Quepos in September?

September in Quepos is ideal for: Business travelers.

Quepos Weather in September | 30-Year Forecast

Avg High

27°C

Hottest around day 1

Avg Low

23°C

Coolest around day 7

Rainy Days

30days

90% avg rain chance

Sunshine

8hrs/day

Autumn season

Quepos September Weather Calendar

Click any day to see detailed weather information

Day 1

Stormy

28°C86%

Day 2

Stormy

28°C88%

Day 3

Stormy

28°C88%

Day 4

Stormy

27°C91%

Day 5

Stormy

27°C92%

Day 6

Stormy

27°C91%

Day 7

Stormy

27°C91%

Day 8

Stormy

28°C91%

Day 9

Stormy

27°C88%

Day 10

Stormy

28°C88%

Day 11

Stormy

28°C87%

Day 12

Stormy

28°C86%

Day 13

Stormy

28°C88%

Day 14

Stormy

28°C88%

Day 15

Stormy

28°C87%

Day 16

Stormy

27°C87%

Day 17

Stormy

27°C90%

Day 18

Stormy

27°C90%

Day 19

Stormy

27°C91%

Day 20

Stormy

27°C92%

Day 21

Stormy

28°C92%

Day 22

Stormy

28°C90%

Day 23

Stormy

27°C89%

Day 24

Stormy

27°C90%

Day 25

Stormy

27°C91%

Day 26

Stormy

27°C92%

Day 27

Stormy

28°C92%

Day 28

Stormy

28°C92%

Day 29

Stormy

27°C92%

Day 30

Stormy

27°C88%

Essential Travel Info for Quepos

🗓️ Best Time to Visit 📖 Travel Guide 🍴 Food Guide

Currency

CRC

₡ Costa Rican colón

Language

Spanish

Driving

Right side

Safety

High Safety

GPI: 1.732

Travel Intelligence

Exclusive flight analytics & health data for Quepos

Smart Flight Estimator

Airport-to-Airport Logistics

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Flight Connectivity Analysis

Airport traffic data & seasonal patterns

Remote

2/ 100

Traffic Index

Off the beaten path

Peak Daily Arrivals

slots per day

Peak

Jun

Low

Sep

Monthly Traffic Distribution

Jan

Feb

Mar

Apr

May

Jun

Jul

Aug

Sep

Oct

Nov

Dec

Traffic Level

Low Season

Key Connections

San José Juan Santamaria (SJO)

Health & Safety Advisory

CDC travel health recommendations

9 Recommendations

COVID-19

All eligible travelers should be up to date with their COVID-19 vaccines. Please seeYour COVID-19 Vaccinationfor more information.

Chikungunya

All travelers should take steps to prevent mosquito bites. Chikungunya vaccination is generally not recommended. Travelers who wish to consider vaccination can visit “What to consider before traveling” on thechikungunya vaccinespage to learn more.

Hepatitis A

Recommended for unvaccinated travelers one year old or older going to Costa Rica.Infants 6 to 11 months old should also be vaccinated against Hepatitis A. The dose does not count toward the routine 2-dose series.Travelers allergic to a vaccine component should receive a single dose of immune globulin, which provides effective protection for up to 2 months depending on dosage given.Unvaccinated travelers who are over 40 years old, are immunocompromised, or have chronic medical conditions planning to depart to a risk area in less than 2 weeks should get the initial dose of vaccine and at the same appointment receive immune globulin.

Hepatitis B

Recommended for unvaccinated travelers younger than 60 years old traveling to Costa Rica. Unvaccinated travelers 60 years and older may get vaccinated before traveling to Costa Rica.

Malaria

CDC recommends that travelers going to certain areas of Costa Rica take prescription medicine to prevent malaria. Depending on the medicine you take, you will need to start taking this medicine multiple days before your trip, as well as during and after your trip. Talk to your doctor about which malaria medication you should take.Transmission areasPresent in the provinces of Alajuela and LimónRare to no transmission in other parts of the countryDrug resistanceNoneSpeciesP. falciparum(86%)P. vivax(14%)Recommended chemoprophylaxisAlajuela and Limón Provinces: Atovaquone-proguanil, chloroquine, doxycycline, mefloquine, tafenoquine2All other areas: No chemoprophylaxis recommended (insect bite precautions and mosquito avoidance only)4Updated April 23, 2025See footnotes

Measles

Cases of measles are on the rise worldwide. Travelers are at risk of measles if they have not been fully vaccinated at least two weeks prior to departure, or have not had measles in the past, and travel internationally to areas where measles is spreading.All international travelers should be fully vaccinated against measles with the measles-mumps-rubella (MMR) vaccine, including an early dose for infants 6–11 months, according toCDC’s measles vaccination recommendations for international travel.

+3 more

Source: CDC Travelers' Health

View Complete Health Guide

Is September a Good Time to Visit Quepos?

👌Good option with minor considerations(50/100)

Short Answer

Storm season alert for Quepos in September: beyond the 28°C, 90% rain averages, hurricane risk requires travel insurance and schedule flexibility.

Decision Factors

Atlantic Hurricane season active

Atlantic zone - expect potential atlantic hurricane activity

High rainfall period

90% rain probability, 20mm average

Vaccinations required

Yellow Fever

Seismically active region

31 earthquakes recorded in this month (30-year data)

Very high humidity

91% average humidity

Health precautions needed

Be aware of: Leptospirosis, Melioidosis, Chagas disease (American Trypanosomiasis)

Good For

💼
Business travelers
Climate-controlled meetings unaffected by weather

Who Should Avoid

🏖️
Beach lovers
Sea temperature only undefined°C - too cold for comfortable swimming
👴
Elderly travelers
91% humidity creates difficult conditions
🥾
Outdoor enthusiasts
90% rain probability disrupts outdoor activities
📸
Photographers
92% cloud cover limits natural light opportunities

"According to 30YearWeather's analysis of 30 years of NASA POWER satellite data,Quepos in September averages 27°C with 90% precipitation probability."

📊 Source: 30YearWeather.com🛰️ Data: NASA POWER (1991-2021)View Methodology →

Frequently Asked Questions: Quepos in September

What are the temperatures in Quepos in September?

Daytime highs average 27°C, nights drop to 23°C. Temperatures remain fairly consistent.

How many rainy days in Quepos in September?

Expect around 30 days with measurable rainfall. Definitely pack rain gear.

What to wear in Quepos in September?

Comfortable casual wear with a light jacket for evenings.

Is September peak season in Quepos?

This is off-peak season. Expect lower prices and fewer crowds.

Quepos Weather in September

Quepos September Weather Calendar

Essential Travel Info for Quepos

Travel Intelligence

Smart Flight Estimator

Flight Connectivity Analysis

Monthly Traffic Distribution

Key Connections

Health & Safety Advisory

COVID-19

Chikungunya

Hepatitis A

Hepatitis B

Malaria

Measles

Decision Factors

Good For

Who Should Avoid

Related Guides

Frequently Asked Questions: Quepos in September

What are the temperatures in Quepos in September?

How many rainy days in Quepos in September?

What to wear in Quepos in September?

Is September peak season in Quepos?