What is the weather like in Medellín in September?

Expect temperatures between 16°C and 27°C with 70% average rain probability and about 8 hours of sunshine daily.

What is the weather like in Medellín in September?

Medellín in September scores 59/100 based on 30 years of climate data. Worthwhile timing with some trade-offs.

Who should visit Medellín in September?

September in Medellín is ideal for: Business travelers.

Medellín Weather in September | 30-Year Forecast

Avg High

27°C

Hottest around day 1

Avg Low

16°C

Coolest around day 1

Rainy Days

30days

70% avg rain chance

Sunshine

8hrs/day

Autumn season

Essential Travel Info for Medellín

🗓️ Best Time to Visit 📖 Travel Guide 🍴 Food Guide

Currency

COP

$ Colombian peso

Language

Spanish

Driving

Right side

Connect

Mobile services: There are several mobil...

Safety

Travel Precautions

GPI: 2.729

Travel Intelligence

Exclusive flight analytics & health data for Medellín

Smart Flight Estimator

Airport-to-Airport Logistics

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Flight Connectivity Analysis

Airport traffic data & seasonal patterns

Moderate

47/ 100

Traffic Index

Balanced traffic

Peak Daily Arrivals

slots per day

Peak

May

Low

Jul

Monthly Traffic Distribution

157

Jan

143

Feb

149

Mar

166

Apr

168

May

145

Jun

132

Jul

149

Aug

139

Sep

137

Oct

142

Nov

164

Dec

Traffic Level

Low Season

Key Connections

Bogotá El Dorado (BOG)

Cartagena de Indias Rafael Nuñez (CTG)

Santa Marta Simón Bolívar (SMR)

Santiago de Cali Alfonso Bonilla Aragon (CLO)

Tocumen (PTY)

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

There iselevated chikungunya riskin Colombia.Chikungunya vaccinationmay be considered for people traveling or moving to this location if they are planning to stay for an extended period of time (for example, 6 months or more).

Hepatitis A

Recommended for unvaccinated travelers one year old or older going to Colombia.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 Colombia. Unvaccinated travelers 60 years and older may get vaccinated before traveling to Colombia.

Malaria

CDC recommends that travelers going to certain areas of Colombia 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 areasAll areas <1,700 m (<5,600 ft) elevationNo malaria transmission in the cities of Bogotá (the capital), Cartagena, or MedellínDrug resistanceChloroquineSpeciesP. falciparum(50%)P. vivax(50%)Recommended chemoprophylaxisAtovaquone-proguanil, doxycycline, mefloquine, tafenoquine2Updated 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 Medellín?

👌Worthwhile timing with some trade-offs(59/100)

Short Answer

Monsoon conditions shape Medellín's September: expect 70% daily rain chance. Mornings often clear before afternoon showers - early starts recommended.

Decision Factors

High rainfall period

70% rain probability, 6.8mm average

Vaccinations required

Yellow Fever

Very high humidity

85% average humidity

Health precautions needed

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

Plenty of sunshine

9.5h of sunshine daily

Shoulder season - balanced conditions

83% of peak - good value with moderate crowds

Good For

💼
Business travelers
Climate-controlled meetings unaffected by weather

Who Should Avoid

👴
Elderly travelers
85% humidity creates difficult conditions
🥾
Outdoor enthusiasts
70% rain probability disrupts outdoor activities
📸
Photographers
92% cloud cover limits natural light opportunities
💑
Honeymoon couples
Wedding score only 60/100 - better months available

"According to 30YearWeather's analysis of 30 years of NASA POWER satellite data,Medellín in September averages 27°C with 70% precipitation probability."

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

Frequently Asked Questions: Medellín in September

What are the temperatures in Medellín in September?

Daytime highs average 27°C, nights drop to 16°C. Temperatures remain fairly consistent.

How many rainy days in Medellín in September?

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

What to wear in Medellín in September?

Comfortable casual wear with a light jacket for evenings.

Is September peak season in Medellín?

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

Medellín Weather in September

Medellín September Weather Calendar