September 10 is generally a great time to visit Santiago. While there is a slight chance of rain (16%), showers are usually brief. Expect comfortable 17°C weather. Lower tourist interest in Santiago right now translates to better deals and a more local feel.
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Essential Travel Info for Santiago
Currency
CLP
$ Chilean peso
Language
Spanish
Driving
Right side
Connect
If you wish to mail a letter or postcard...
Safety
High Safety
GPI: 1.84
Santiago Weather Forecast for September 10
"Mild & Comfortable. Expect average highs of 17.2°C. 16% chance of rain."
What to Wear in Santiago in September
Based on historical data for September 10, Santiago typically experiences temperatures between 6.7°C and 17.2°C. We recommend packing light jacket, long pants to stay comfortable. Trends suggest it will stay mostly dry (16% rain probability), but checking the forecast before heading out is always wise.
Complete Packing Guide
Weekly breakdown & essential items for Santiago
Smart Suitcase
- Light Jacket
- Long Pants
Average High
17.2°C
Daytime Peak
Average Low
6.7°C
Nighttime Low
Feels Like
17.2°C
🌤️ Feels accurate
Rain Chance
16%
Avg 0.9mm if it rains
Cloud Cover
51%
Overcast
Pressure
1018.4 hPa
Low volatility
Santiago Weather Conditions & UV Index
Weather Confidence
30-year variance analysis
Based on 10 years of data
🎯 This date historically delivers consistent weather 84% of the time. Safe to plan outdoor activities with confidence.
Sun Exposure
UV Index & Safety Guide
Protection Needed
SPF 30 recommended
07:00 - 10:00
16:00 - 19:00
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
11.2°C
Pleasant
Heat Stress
Low
No heat warning
😊 Best outdoor time:
Any time during daylight hours
Travel & Logistics Insights
Local Calendar
Business Day
Standard hours in Chile
Flight Traffic
Quiet
36/100 pressure index
Health Advisory
Required
2 vaccines • View Details →
Landing Slots
~86
Daily arrival options (inc. codeshare)
Sunrise, Sunset & Wind in Santiago
Daylight & Sun
Solar Elevation Cycle
🌅 Sunrise
07:50
☀️ Noon
13:41
🌇 Sunset
19:32
⏱️ Daylight
11h 41m
Wind Speed
9.6 km/h
Light breeze
Sunshine
9.1 hrs
Direct Sun (Cloud-free)
Humidity
68%
Slightly humid
Travel Intelligence
Exclusive flight analytics & health data for Santiago
Smart Flight Estimator
Airport-to-Airport Logistics
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Travel Health & Safety in Santiago
Travel Comfort Index
Real-time tourism conditions
Weather Quality
☀️ Excellent
Tourist Crowds
🟡 Busy
Price Level
💰💰💰 Expensive
Health & Wellbeing
Meteo-Health Forecast
Stable conditions. Low risk of headaches.
Weather unlikely to affect joint pain.
Moderate fish activity expected.
Air quality is acceptable. Sensitive individuals should limit prolonged outdoor exertion.
Regional Safety Profile
Seismic Activity
Active seismic zone. Multiple earthquakes per year.
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, Santiago on September 10 averages 17.2°C with a 16% precipitation probability. Wedding/Outdoor Event Score: 89/100."
— Source: 30YearWeather.com|Data: NASA POWER (1991-2021)|View Methodology
Santiago Weather History (2010–2024)
Temperature History
Hall of Fame
Records from last 10 years
Better Alternatives Nearby
Consider these dates within ±7 days
September 15
18.9°C • 10% rain
Score
99
September 16
19°C • 12% rain
Score
99
September 14
18.7°C • 9% rain
Score
98
💡 Moving your event by a few days could significantly improve weather conditions
Compare Other Cities
Same date (September 10) in other destinations
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📍 Is Santiago Worth Visiting on September 10?
Planning a trip to Santiago on September 10? 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 17.2°C with a 16% historical precipitation risk.
✈️ Travel Logistics: Approximately 86 landing slots available daily during this period, indicating manageable crowd levels.
💉 Health Advisory: 7 vaccinations are recommended for Chile, including COVID-19.
📊 Historical Extremes: The hottest September 10 recorded in the last 30 years saw temperatures hit 24.6°C in 2018, while the coldest dropped to 5.8°C in 2017.