September 22 is statistically one of the best days of the year in Buenos Aires. With minimal rain risk (12%) and pleasant highs of 18°C, it's ideal for outdoor adventures. You'll find plenty of company in Buenos Aires this month as tourism activity remains quite robust.
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Essential Travel Info for Buenos Aires
Currency
ARS
$ Argentine peso
Language
Guaraní
+1 more
Driving
Right side
Connect
Cafés and restaurants commonly offer cus...
Safety
High Safety
GPI: 1.911
Buenos Aires Weather Forecast for September 22
"Mild & Comfortable. Expect average highs of 18.3°C. 12% chance of rain."
What to Wear in Buenos Aires in September
Based on historical data for September 22, Buenos Aires typically experiences temperatures between 11°C and 18.3°C. We recommend packing light jacket, long pants to stay comfortable. Trends suggest it will stay mostly dry (12% rain probability), but checking the forecast before heading out is always wise.
Complete Packing Guide
Weekly breakdown & essential items for Buenos Aires
Smart Suitcase
- Light Jacket
- Long Pants
Average High
18.3°C
Daytime Peak
Average Low
11°C
Nighttime Low
Feels Like
18.3°C
🌤️ Feels accurate
Rain Chance
12%
Avg 0.6mm if it rains
Cloud Cover
49%
Overcast
Pressure
1018.4 hPa
Medium volatility
Buenos Aires Weather Conditions & UV Index
Weather Confidence
30-year variance analysis
Based on 10 years of data
✓ Weather is generally predictable, but pack for minor variations. A light backup layer is recommended.
Sun Exposure
UV Index & Safety Guide
Protection Needed
SPF 30 recommended
06:00 - 10:00
16:00 - 18:00
Type I-II
🔴 24 min to burn
Type III-IV
🟡 36 min to burn
Type V-VI
🟢 60 min to burn
UV estimate based on latitude, season & cloud cover. Actual UV may vary.
Outdoor Comfort
How pleasant is it outside?
Dew Point
13.2°C
Pleasant
Heat Stress
Low
No heat warning
😊 Best outdoor time:
Any time during daylight hours
Marine Conditions
Marine Life
No special warnings. Enjoy the swim!
Swim Index
❄️ Cold Water Hazard
Travel & Logistics Insights
Local Calendar
Business Day
Standard hours in Argentina
Flight Traffic
Busy
72/100 pressure index
Health Advisory
Required
2 vaccines • View Details →
Landing Slots
~97
Daily arrival options (inc. codeshare)
Sunrise, Sunset & Wind in Buenos Aires
Daylight & Sun
Solar Elevation Cycle
🌅 Sunrise
06:44
☀️ Noon
12:47
🌇 Sunset
18:50
⏱️ Daylight
12h 6m
Wind Speed
22 km/h
Moderate wind
Sunshine
9.2 hrs
Direct Sun (Cloud-free)
Humidity
72%
Humid / Damp
Travel Intelligence
Exclusive flight analytics & health data for Buenos Aires
Smart Flight Estimator
Airport-to-Airport Logistics
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Add your home location in settings to see airport details.
Travel Health & Safety in Buenos Aires
Travel Comfort Index
Real-time tourism conditions
Weather Quality
☀️ Excellent
Tourist Crowds
🟡 Busy
Price Level
💰💰💰 Expensive
Health & Wellbeing
Meteo-Health Forecast
Moderate fluctuations. Some sensitivity possible.
Weather unlikely to affect joint pain.
Moderate fish activity expected.
Air quality is excellent. Perfect for outdoor activities.
Regional Safety Profile
Seismic Activity
Zero seismic activity detected in 30 years.
"According to 30YearWeather's analysis of 30 years of NASA satellite data, Buenos Aires on September 22 averages 18.3°C with a 12% precipitation probability. Wedding/Outdoor Event Score: 100/100."
— Source: 30YearWeather.com|Data: NASA POWER (1991-2021)|View Methodology
Buenos Aires Weather History (2010–2024)
Temperature History
Hall of Fame
Records from last 10 years
Compare Other Cities
Same date (September 22) in other destinations
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📍 Is Buenos Aires Worth Visiting on September 22?
Planning a trip to Buenos Aires on September 22? 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 18.3°C with a 12% historical precipitation risk.
✈️ Travel Logistics: Approximately 97 landing slots available daily during this period, indicating manageable crowd levels.
💉 Health Advisory: 8 vaccinations are recommended for Argentina, including COVID-19.
🌊 Coastal Conditions: Water temperature averages 16.7°C (polar plunge). Wave conditions are generally fun waves with heights around 0.66m.
📊 Historical Extremes: The hottest September 22 recorded in the last 30 years saw temperatures hit 25.1°C in 2018, while the coldest dropped to 7.9°C in 2017.