September 17 sees frequent showers in Hallstatt. Historical data shows a 48% chance of rain, so pack accordingly. Temperatures average 19°C. It's a lively time to explore Hallstatt, with most attractions operating at full capacity.
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Essential Travel Info for Hallstatt
Currency
EUR
€ Euro
Language
German
Driving
Right side
Safety
Very High Safety
GPI: 1.3
Hallstatt Weather Forecast for September 17
"Mild & Comfortable. Expect average highs of 18.8°C. 48% chance of snow."
What to Wear in Hallstatt in September
Based on historical data for September 17, Hallstatt typically experiences temperatures between 10.3°C and 18.8°C. We recommend packing light jacket, long pants, umbrella to stay comfortable. With a 48% chance of rain, keeping a raincoat or umbrella handy is a smart move.
Complete Packing Guide
Weekly breakdown & essential items for Hallstatt
Smart Suitcase
- Light Jacket
- Long Pants
- Umbrella
Average High
18.8°C
Daytime Peak
Average Low
10.3°C
Nighttime Low
Feels Like
18.8°C
🌤️ Feels accurate
Snow Chance
48%
Avg 5.2mm if it snows
Snowfall
1.2 cm
~48% chance
Pressure
1018 hPa
Medium volatility
Hallstatt 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 15 for extended outdoor time
Type I-II
🔴 38 min to burn
Type III-IV
🟡 57 min to burn
Type V-VI
🟢 95 min to burn
UV estimate based on latitude, season & cloud cover. Actual UV may vary.
Outdoor Comfort
How pleasant is it outside?
Dew Point
16.2°C
Noticeable
Heat Stress
Low
No heat warning
🙂 Best outdoor time:
Any time during daylight hours
Travel & Logistics Insights
Local Calendar
Business Day
Standard hours in Austria
Flight Traffic
Busy
63/100 pressure index
Health Advisory
Required
1 vaccine • View Details →
Landing Slots
~19
Daily arrival options (inc. codeshare)
Sunrise, Sunset & Wind in Hallstatt
Daylight & Sun
Solar Elevation Cycle
🌅 Sunrise
05:46
☀️ Noon
12:01
🌇 Sunset
18:16
⏱️ Daylight
12h 30m
Wind Speed
8.2 km/h
Light breeze
Sunshine
7.5 hrs
Direct Sun (Cloud-free)
Humidity
85%
Humid / Damp
Travel Intelligence
Exclusive flight analytics & health data for Hallstatt
Smart Flight Estimator
Airport-to-Airport Logistics
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Travel Health & Safety in Hallstatt
Travel Comfort Index
Real-time tourism conditions
Weather Quality
⛅ Good
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
Rare minor tremors. Buildings are earthquake-resistant.
"According to 30YearWeather's analysis of 30 years of NASA satellite data, Hallstatt on September 17 averages 18.8°C with a 48% precipitation probability. Wedding/Outdoor Event Score: 82/100."
— Source: 30YearWeather.com|Data: NASA POWER (1991-2021)|View Methodology
Hallstatt Weather History (2010–2024)
Temperature History
Hall of Fame
Records from last 10 years
Better Alternatives Nearby
Consider these dates within ±7 days
September 10
21.2°C • 41% rain
Score
89
September 11
21.1°C • 42% rain
Score
88
September 21
18.9°C • 37% rain
Score
88
💡 Moving your event by a few days could significantly improve weather conditions
Compare Other Cities
Same date (September 17) in other destinations
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📍 Is Hallstatt Worth Visiting on September 17?
Planning a trip to Hallstatt on September 17? 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 18.8°C with a 48% historical precipitation risk.
✈️ Travel Logistics: Approximately 19 landing slots available daily during this period, indicating manageable crowd levels.
💉 Health Advisory: 6 vaccinations are recommended for Austria, including COVID-19.
📊 Historical Extremes: The hottest September 17 recorded in the last 30 years saw temperatures hit 27.1°C in 2023, while the coldest dropped to 4.9°C in 2017.