30YearWeather
Mendoza, September 29
Mendoza street view during September
Historical Weather Analysis

Mendoza Weather on September 29 — Best Time to Visit?

Based on 30 years of historical data, we have the answer.

clear-day

21.2°C

High

9.5°C

Low

8%

Rain

☀️ Feels like 21.2°C

clear-day
YES, IT'S PARADISE
Peak Season

September 29 is statistically one of the best days of the year in Mendoza. With minimal rain risk (8%) and pleasant highs of 21°C, it's ideal for outdoor adventures. Mendoza is seeing high visitor numbers, so iconic spots may be busier than usual.

Currency

ARS

$ Argentine peso

Language

Guaraní

+1 more

Driving

Right side

Safety

High Safety

GPI: 1.911

Mendoza Weather Forecast for September 29

"Mild & Comfortable. Expect average highs of 21.2°C. 8% chance of rain."

What to Wear in Mendoza in September

Based on historical data for September 29, Mendoza typically experiences temperatures between 9.5°C and 21.2°C. We recommend packing light jacket, long pants to stay comfortable. Trends suggest it will stay mostly dry (8% rain probability), but checking the forecast before heading out is always wise.

Complete Packing Guide

Weekly breakdown & essential items for Mendoza

View Guide

Smart Suitcase

  • Light Jacket
  • Long Pants

Average High

extreme-hot

21.2°C

Daytime Peak

Average Low

extreme-cold

9.5°C

Nighttime Low

Feels Like

partly-cloudy-day

21.2°C

☀️ Feels accurate

Rain Chance

rain

8%

Avg 0.5mm if it rains

Cloud Cover

cloudy

35%

Overcast

Pressure

pressure

1014.8 hPa

Medium volatility

Mendoza Weather Conditions & UV Index

Weather Confidence

30-year variance analysis

82%Highly Predictable

Based on 10 years of data

Temperature
±4.2°CVariable
Precipitation
4-20%Predictable

🎯 This date historically delivers consistent weather 82% of the time. Safe to plan outdoor activities with confidence.

Sun Exposure

UV Index & Safety Guide

4.1Moderate
036811+

Protection Needed

SPF 30 recommended

Safe Sun Windows
Morning

07:00 - 10:00

Afternoon

16:00 - 19:00

Time to Sunburn

Type I-II

🔴 20 min to burn

Type III-IV

🟡 30 min to burn

Type V-VI

🟢 50 min to burn

UV estimate based on latitude, season & cloud cover. Actual UV may vary.

Outdoor Comfort

How pleasant is it outside?

100Excellent
TemperatureWarm
HumidityComfortable
WindBreezy

Dew Point

8.8°C

Dry air

Heat Stress

Low

No heat warning

😊 Best outdoor time:
Any time during daylight hours

Travel & Logistics Insights

Local Calendar

Business Day

Standard hours in Argentina

Flight Traffic

Busy

79/100 pressure index

Health Advisory

Required

2 vaccines • View Details →

Landing Slots

~31

Daily arrival options (inc. codeshare)

Sunrise, Sunset & Wind in Mendoza

Daylight & Sun

Solar Elevation Cycle

🌅 Sunrise

07:16

☀️ Noon

13:26

🌇 Sunset

19:37

⏱️ Daylight

12h 20m

Golden Hour
Morning07:16 - 07:49
19:04 - 19:37Evening

Wind Speed

wind

15.3 km/h

Gentle breeze

Sunshine

clear-day

10.4 hrs

Direct Sun (Cloud-free)

Humidity

humidity

45%

Comfortable

Travel Intelligence

Exclusive flight analytics & health data for Mendoza

Smart Flight Estimator

Airport-to-Airport Logistics

unlock smart flight estimates

Add your home location in settings to see airport details.

Travel Health & Safety in Mendoza

Travel Comfort Index

Real-time tourism conditions

Weather Quality

☀️ Excellent

94/100

Tourist Crowds

🟡 Busy

85/100

Price Level

💰💰💰 Expensive

90/100

Health & Wellbeing

Meteo-Health Forecast

85Score
Atmospheric Pressure1014.8 hPa
Volatility:Medium
Migraine RiskMedium

Moderate fluctuations. Some sensitivity possible.

Joint Pain RiskLow

Weather unlikely to affect joint pain.

Fishing IndexFair

Moderate fish activity expected.

Air Quality Forecast
23AQI
Good
PM2.5 Concentration3.1 µg/m³

Air quality is excellent. Perfect for outdoor activities.

Regional Safety Profile

High

Seismic Activity

Active seismic zone. Multiple earthquakes per year.

Total events (30y):215
In Sep (30y):19
Last in Sep:2025-09-18
💡 Earthquake risk elevated. Download a seismic alert app.

Travel Alert: This region has elevated natural risks. We recommend registering with your embassy and keeping emergency numbers handy.

"According to 30YearWeather's analysis of 30 years of NASA satellite data, Mendoza on September 29 averages 21.2°C with a 8% precipitation probability. Wedding/Outdoor Event Score: 100/100."

— Source: 30YearWeather.com|Data: NASA POWER (1991-2021)|View Methodology

Mendoza Weather History (2010–2024)

Temperature History

Loading chart...

Hall of Fame

Records from last 10 years

Hottest
2019
30.2°C
Coldest
2022
7.3°C
Rainiest
2016
2.0mm

Compare Other Cities

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📍 Is Mendoza Worth Visiting on September 29?

Planning a trip to Mendoza on September 29? Our historical weather analysis based on 30 years of NASA satellite data shows that this time of year is characterized by pleasant mild weather averaging 21.2°C with a 8% historical precipitation risk.

✈️ Travel Logistics: Approximately 31 landing slots available daily during this period, indicating manageable crowd levels.

💉 Health Advisory: 8 vaccinations are recommended for Argentina, including COVID-19.

📊 Historical Extremes: The hottest September 29 recorded in the last 30 years saw temperatures hit 30.2°C in 2019, while the coldest dropped to 7.3°C in 2022.

Mendoza Weather FAQ