What is the weather like in Guayaquil in September?

Expect temperatures between 21°C and 29°C with 22% average rain probability and about 8 hours of sunshine daily.

What is the weather like in Guayaquil in September?

Guayaquil in September scores 58/100 based on 30 years of climate data. A reasonable choice for your trip.

Who should visit Guayaquil in September?

September in Guayaquil is ideal for: Outdoor enthusiasts, Cultural tourists, Honeymoon couples, Business travelers.

Guayaquil Weather in September | 30-Year Forecast

Avg High

29°C

Hottest around day 27

Avg Low

21°C

Coolest around day 1

Rainy Days

3days

22% avg rain chance

Sunshine

8hrs/day

Autumn season

Essential Travel Info for Guayaquil

🗓️ Best Time to Visit 📖 Travel Guide 🍴 Food Guide

Currency

USD

$ United States dollar

Language

Spanish

Driving

Right side

Connect

There are cyber cafes around to communic...

Safety

High Safety

GPI: 1.988

Travel Intelligence

Exclusive flight analytics & health data for Guayaquil

Smart Flight Estimator

Airport-to-Airport Logistics

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Flight Connectivity Analysis

Airport traffic data & seasonal patterns

Low Traffic

22/ 100

Traffic Index

Quieter airport

Peak Daily Arrivals

slots per day

Peak

Apr

Low

Jul

Monthly Traffic Distribution

Jan

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May

Jun

Jul

Aug

Sep

Oct

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Traffic Level

Low Season

Key Connections

Quito Mariscal Sucre (UIO)

Tocumen (PTY)

Bogotá El Dorado (BOG)

Baltra Seymour (GPS)

San Cristóbal (SCY)

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 Ecuador.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 Ecuador. Unvaccinated travelers 60 years and older may get vaccinated before traveling to Ecuador.

Malaria

CDC recommends that travelers going to certain areas of Ecuador 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 areasAreas <1,500 m (<5,000 ft) elevation in the provinces of Cotopaxi, Esmeraldas, Morona-Santiago, Orellana, Pastaza, and SucumbíosRare cases <1,500 m (<5,000 ft) in all other provincesNo malaria transmission in the cities of Guayaquil or Quito (the capital)No malaria transmission on the Galápagos IslandsDrug resistanceChloroquineSpeciesP. vivax(85%)P. falciparum(15%)Recommended chemoprophylaxisTransmission areas in the provinces of Cotopaxi, Esmeraldas, Morona-Santiago, Orellana, Pastaza, and Sucumbíos: Atovaquone-proguanil, doxycycline, mefloquine, tafenoquine2All other areas with reported malaria transmission: 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

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Is September a Good Time to Visit Guayaquil?

👌A reasonable choice for your trip(58/100)

Short Answer

Guayaquil's September delivers on its reputation: 29°C, 22% rain, 9.2h sunshine. The trade-off? Peak crowds and prices at 91% capacity.

Decision Factors

Oppressive heat and humidity

28.6°C with 78% humidity - challenging conditions

Vaccinations required

Yellow Fever

Peak tourist season

91% of annual peak - expect crowds and peak prices

Health precautions needed

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

Plenty of sunshine

9.2h of sunshine daily

Good For

🥾
Outdoor enthusiasts
Ideal hiking conditions: 28.6°C, 22% rain chance
🏛️
Cultural tourists
Comfortable conditions for exploring museums and sites
💑
Honeymoon couples
Wedding score 93/100 with romantic weather conditions
💼
Business travelers
Climate-controlled meetings unaffected by weather

Who Should Avoid

🏖️
Beach lovers
Sea temperature only undefined°C - too cold for comfortable swimming
💰
Budget travelers
Peak season means premium prices everywhere
👴
Elderly travelers
78% humidity creates difficult conditions
📸
Photographers
77% cloud cover limits natural light opportunities

"According to 30YearWeather's analysis of 30 years of NASA POWER satellite data,Guayaquil in September averages 29°C with 22% precipitation probability."

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

Frequently Asked Questions: Guayaquil in September

What are the temperatures in Guayaquil in September?

Daytime highs average 29°C, nights drop to 21°C. Temperatures remain fairly consistent.

How many rainy days in Guayaquil in September?

Expect around 3 days with measurable rainfall. Rain is unlikely to disrupt plans.

What to wear in Guayaquil in September?

Light, breathable fabrics. Don't forget sunglasses and a hat.

Is September peak season in Guayaquil?

This is shoulder season—moderate prices and manageable crowds.

Guayaquil Weather in September

Guayaquil September Weather Calendar