September 21 is generally a great time to visit Munich. While there is a slight chance of rain (25%), showers are usually brief. Expect comfortable 18°C weather. As it's peak season for Munich, we recommend booking your stay well in advance to secure the best rates.
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Essential Travel Info for Munich
Currency
EUR
€ Euro
Language
German
Driving
Right side
Safety
Very High Safety
GPI: 1.462
Munich Weather Forecast for September 21
"Mild & Comfortable. Expect average highs of 18°C. 25% chance of rain."
What to Wear in Munich in September
Based on historical data for September 21, Munich typically experiences temperatures between 8.6°C and 18°C. We recommend packing light jacket, long pants to stay comfortable. Trends suggest it will stay mostly dry (25% rain probability), but checking the forecast before heading out is always wise.
Complete Packing Guide
Weekly breakdown & essential items for Munich
Smart Suitcase
- Light Jacket
- Long Pants
Average High
18°C
Daytime Peak
Average Low
8.6°C
Nighttime Low
Feels Like
18°C
🌤️ Feels accurate
Rain Chance
25%
Avg 1.5mm if it rains
Cloud Cover
59%
Overcast
Pressure
1017.9 hPa
Medium volatility
Munich Weather Conditions & UV Index
Weather Confidence
30-year variance analysis
Based on 10 years of data
✓ This date historically delivers consistent weather 76% 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
14.5°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 Germany
Flight Traffic
High
91/100 pressure index
Health Advisory
Required
1 vaccine • View Details →
Landing Slots
~517
Daily arrival options (inc. codeshare)
Sunrise, Sunset & Wind in Munich
Daylight & Sun
Solar Elevation Cycle
🌅 Sunrise
05:59
☀️ Noon
12:08
🌇 Sunset
18:16
⏱️ Daylight
12h 16m
Wind Speed
11.4 km/h
Light breeze
Sunshine
8.2 hrs
Direct Sun (Cloud-free)
Humidity
80%
Humid / Damp
Travel Intelligence
Exclusive flight analytics & health data for Munich
Smart Flight Estimator
Airport-to-Airport Logistics
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Travel Health & Safety in Munich
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, Munich on September 21 averages 18°C with a 25% precipitation probability. Wedding/Outdoor Event Score: 91/100."
— Source: 30YearWeather.com|Data: NASA POWER (1991-2021)|View Methodology
Munich Weather History (2010–2024)
Temperature History
Hall of Fame
Records from last 10 years
Compare Other Cities
Same date (September 21) in other destinations
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🌍 Explore the same date in different destinations around the world
📍 Is Munich Worth Visiting on September 21?
Planning a trip to Munich on September 21? 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°C with a 25% historical precipitation risk.
✈️ Travel Logistics: Approximately 517 landing slots available daily during this period, indicating peak tourist activity.
💉 Health Advisory: 8 vaccinations are recommended for Germany, including COVID-19.
📊 Historical Extremes: The hottest September 21 recorded in the last 30 years saw temperatures hit 27°C in 2018, while the coldest dropped to 3.5°C in 2022.