30YearWeather
Mendoza in September
Mendoza weather in September - Argentina
🌤️Mild & Comfortable

Mendoza Weather in September

Plan your September trip to Mendoza, Argentina. Based on 30 years of NASA data, expect temperatures of 19°C (high) to 8°C (low), with 7% rain probability and 8 hours of daily sunshine. Great conditions with only 0 rainy days expected.

Avg High
19°C

Hottest around day 30

Avg Low
8°C

Coolest around day 2

Rainy Days
0days

7% avg rain chance

Sunshine
8hrs/day

Autumn season

Mendoza September Weather Calendar

Click any day to see detailed weather information

Currency

ARS

$ Argentine peso

Language

Guaraní

+1 more

Driving

Right side

Safety

High Safety

GPI: 1.911

Travel Intelligence

Exclusive flight analytics & health data for Mendoza

Smart Flight Estimator

Airport-to-Airport Logistics

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Flight Connectivity Analysis

Airport traffic data & seasonal patterns

Remote
16/ 100
Traffic Index

Off the beaten path

Peak Daily Arrivals

0

slots per day

Peak

Aug

Low

Apr

Monthly Traffic Distribution

29
Jan
29
Feb
33
Mar
28
Apr
32
May
32
Jun
39
Jul
39
Aug
31
Sep
29
Oct
37
Nov
36
Dec
Traffic Level
Low Season

Key Connections

Buenos Aires Jorge Newbery Airpark (AEP)
Santiago Comodoro Arturo Merino Benítez (SCL)
San Carlos de Bariloche (BRC)
Salta Martin Miguel De Guemes (SLA)
Buenos Aires Ministro Pistarini (EZE)

Health & Safety Advisory

CDC travel health recommendations

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

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.

Rabies

Dogs infected with rabies are not commonly found in Argentina.Rabies is commonly found in some terrestrial wildlife species and bats.If rabies exposures occur while in Argentina, rabies vaccines are typically available throughout most of the country.Rabies pre-exposure vaccination considerations include whether travelers 1) will be performing occupational or recreational activities that increase risk for exposure to potentially rabid animals and 2) might have difficulty getting prompt access to safe post-exposure prophylaxis.Please consult with a healthcare provider to determine whether you should receive pre-exposure vaccination before travel.For more information, seecountry rabies status assessments.

+2 more

Source: CDC Travelers' Health

View Complete Health Guide

Is September a Good Time to Visit Mendoza?

👍Recommended for planning your trip
Short Answer

September delivers Mendoza's best weather - 19°C days, rare rain (7%), and comfortable 46% humidity. Book accommodation early as this is well-known as an excellent period.

Decision Factors

Vaccinations required

Yellow Fever

Seismically active region

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

Excellent dry conditions

Only 7% rain probability - ideal for outdoor activities

Health precautions needed

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

Comfortable humidity levels

46% humidity - pleasant conditions

Plenty of sunshine

10.2h of sunshine daily

Good For

  • 👨‍👩‍👧‍👦
    Families with children

    Comfortable 19.3°C temperatures and low 7% rain risk

  • 👴
    Elderly travelers

    Comfortable 19.3°C temperature range with manageable humidity

  • 🥾
    Outdoor enthusiasts

    Ideal hiking conditions: 19.3°C, 7% rain chance

  • 📸
    Photographers

    10.2h sunshine, 67% clear skies for golden hour shots

  • 🏛️
    Cultural tourists

    Comfortable conditions for exploring museums and sites

Who Should Avoid

Suitable for most traveler types

900 observations30-year historical data
Confidence: 95%

"According to 30YearWeather's analysis of 30 years of NASA POWER satellite data,Mendoza in September averages 19°C with 7% precipitation probability."

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

Frequently Asked Questions: Mendoza in September

What are the temperatures in Mendoza in September?

Daytime highs average 19°C, nights drop to 8°C. Temperatures remain fairly consistent.

How many rainy days in Mendoza in September?

Expect around 0 days with measurable rainfall. Rain is unlikely to disrupt plans.

What to wear in Mendoza in September?

Layers are key. A medium-weight jacket and closed-toe shoes.

Is September peak season in Mendoza?

This is typically peak season with higher prices. Book 2-3 months ahead.