September 18 is generally a great time to visit Budapest. While there is a slight chance of rain (21%), showers are usually brief. Expect comfortable 21°C weather. Expect a bustling atmosphere in Budapest right now—this is when the city truly comes alive with visitors.
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Essential Travel Info for Budapest
Currency
HUF
Ft Hungarian forint
Language
Hungarian
Driving
Right side
Connect
As of Sept 2021, Budapest has 5G from Te...
Safety
Very High Safety
GPI: 1.411
Budapest Weather Forecast for September 18
"Mild & Comfortable. Expect average highs of 21.1°C. 21% chance of rain."
What to Wear in Budapest in September
Based on historical data for September 18, Budapest typically experiences temperatures between 12.2°C and 21.1°C. We recommend packing light jacket, long pants to stay comfortable. Trends suggest it will stay mostly dry (21% rain probability), but checking the forecast before heading out is always wise.
Complete Packing Guide
Weekly breakdown & essential items for Budapest
Smart Suitcase
- Light Jacket
- Long Pants
Average High
21.1°C
Daytime Peak
Average Low
12.2°C
Nighttime Low
Feels Like
21.3°C
☀️ Feels accurate
Rain Chance
21%
Avg 1.4mm if it rains
Cloud Cover
57%
Overcast
Pressure
1017.2 hPa
Medium volatility
Budapest Weather Conditions & UV Index
Weather Confidence
30-year variance analysis
Based on 10 years of data
🎯 This date historically delivers consistent weather 88% of the time. Safe to plan outdoor activities with confidence.
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
15.4°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 Hungary
Flight Traffic
High
100/100 pressure index
Health Advisory
Required
1 vaccine • View Details →
Landing Slots
~292
Daily arrival options (inc. codeshare)
Sunrise, Sunset & Wind in Budapest
Daylight & Sun
Solar Elevation Cycle
🌅 Sunrise
05:26
☀️ Noon
11:39
🌇 Sunset
17:52
⏱️ Daylight
12h 26m
Wind Speed
14.7 km/h
Gentle breeze
Sunshine
8.6 hrs
Direct Sun (Cloud-free)
Humidity
70%
Humid / Damp
Travel Intelligence
Exclusive flight analytics & health data for Budapest
Smart Flight Estimator
Airport-to-Airport Logistics
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Travel Health & Safety in Budapest
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, Budapest on September 18 averages 21.1°C with a 21% precipitation probability. Wedding/Outdoor Event Score: 98/100."
— Source: 30YearWeather.com|Data: NASA POWER (1991-2021)|View Methodology
Budapest Weather History (2010–2024)
Temperature History
Hall of Fame
Records from last 10 years
Better Alternatives Nearby
Consider these dates within ±7 days
September 19
21.1°C • 15% rain
Score
100
September 20
20.9°C • 13% rain
Score
100
September 21
20.6°C • 15% rain
Score
100
💡 Moving your event by a few days could significantly improve weather conditions
Compare Other Cities
Same date (September 18) in other destinations
🌍 Explore the same date in different destinations around the world
📍 Is Budapest Worth Visiting on September 18?
Planning a trip to Budapest on September 18? 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 21.1°C with a 21% historical precipitation risk.
✈️ Travel Logistics: Approximately 292 landing slots available daily during this period, indicating manageable crowd levels.
💉 Health Advisory: 7 vaccinations are recommended for Hungary, including COVID-19.
📊 Historical Extremes: The hottest September 18 recorded in the last 30 years saw temperatures hit 27.7°C in 2023, while the coldest dropped to 9.1°C in 2022.