September 1 is generally a great time to visit Bratislava. While there is a slight chance of rain (22%), showers are usually brief. Expect comfortable 24°C weather. Take advantage of the off-peak calm in Bratislava to see the sights without the usual crowds. Note: September 1 is Day of the Constitution of the Slovak Republic in Bratislava, so expect special events, closures, and festive atmosphere.
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Essential Travel Info for Bratislava
Currency
EUR
€ Euro
Language
Slovak
Driving
Right side
Connect
As of Sept 2021, Bratislava has 4G from ...
Safety
Very High Safety
GPI: 1.499
Bratislava Weather Forecast for September 1
"Mild & Comfortable. Expect average highs of 23.8°C. 22% chance of rain."
What to Wear in Bratislava in September
Based on historical data for September 1, Bratislava typically experiences temperatures between 14.7°C and 23.8°C. We recommend packing t-shirt, light clothing to stay comfortable. Trends suggest it will stay mostly dry (22% rain probability), but checking the forecast before heading out is always wise.
Complete Packing Guide
Weekly breakdown & essential items for Bratislava
Smart Suitcase
- T-Shirt
- Light Clothing
Average High
23.8°C
Daytime Peak
Average Low
14.7°C
Nighttime Low
Feels Like
24.3°C
☀️ Feels accurate
Rain Chance
22%
Avg 1.7mm if it rains
Cloud Cover
55%
Overcast
Pressure
1016.7 hPa
Medium volatility
Bratislava 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
🔴 32 min to burn
Type III-IV
🟡 48 min to burn
Type V-VI
🟢 80 min to burn
UV estimate based on latitude, season & cloud cover. Actual UV may vary.
Outdoor Comfort
How pleasant is it outside?
Dew Point
17.8°C
Noticeable
Heat Stress
Low
No heat warning
😊 Best outdoor time:
Any time during daylight hours
Travel & Logistics Insights
Local Calendar
Holiday
Day of the Constitution of the Slovak Republic
Flight Traffic
Quiet
23/100 pressure index
Health Advisory
Required
1 vaccine • View Details →
Landing Slots
~9
Daily arrival options (inc. codeshare)
Sunrise, Sunset & Wind in Bratislava
Daylight & Sun
Solar Elevation Cycle
🌅 Sunrise
05:10
☀️ Noon
11:53
🌇 Sunset
18:36
⏱️ Daylight
13h 25m
Wind Speed
16 km/h
Gentle breeze
Sunshine
9.5 hrs
Direct Sun (Cloud-free)
Humidity
69%
Slightly humid
Travel Intelligence
Exclusive flight analytics & health data for Bratislava
Smart Flight Estimator
Airport-to-Airport Logistics
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Travel Health & Safety in Bratislava
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 acceptable. Sensitive individuals should limit prolonged outdoor exertion.
Regional Safety Profile
Seismic Activity
Rare minor tremors. Buildings are earthquake-resistant.
"According to 30YearWeather's analysis of 30 years of NASA satellite data, Bratislava on September 1 averages 23.8°C with a 22% precipitation probability. Wedding/Outdoor Event Score: 97/100."
— Source: 30YearWeather.com|Data: NASA POWER (1991-2021)|View Methodology
Bratislava Weather History (2010–2024)
Temperature History
Hall of Fame
Records from last 10 years
Better Alternatives Nearby
Consider these dates within ±7 days
August 25
25.8°C • 16% rain
Score
99
August 26
25.8°C • 17% rain
Score
99
September 4
23.5°C • 17% rain
Score
99
💡 Moving your event by a few days could significantly improve weather conditions
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Same date (September 1) in other destinations
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🌍 Explore the same date in different destinations around the world
📍 Is Bratislava Worth Visiting on September 1?
Planning a trip to Bratislava on September 1? 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 23.8°C with a 22% historical precipitation risk.
🎉 Local Event: The date coincides with Day of the Constitution of the Slovak Republic, which may influence local business hours and event availability.
✈️ Travel Logistics: Approximately 9 landing slots available daily during this period, indicating manageable crowd levels.
💉 Health Advisory: 7 vaccinations are recommended for Slovakia, including COVID-19.
📊 Historical Extremes: The hottest September 1 recorded in the last 30 years saw temperatures hit 31.4°C in 2024, while the coldest dropped to 13°C in 2020.