September 15 is generally a great time to visit Paris. While there is a slight chance of rain (19%), showers are usually brief. Expect comfortable 21°C weather. It's a great middle-ground for visiting Paris—enough activity to feel the pulse, but no overwhelming lines.
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Essential Travel Info for Paris
Currency
EUR
€ Euro
Language
French
Driving
Right side
Connect
As of Sept 2021, Paris has 5G from all F...
Safety
High Safety
GPI: 1.895
Paris Weather Forecast for September 15
"Mild & Comfortable. Expect average highs of 21.3°C. 19% chance of rain."
What to Wear in Paris in September
Based on historical data for September 15, Paris typically experiences temperatures between 12.1°C and 21.3°C. We recommend packing light jacket, long pants to stay comfortable. Trends suggest it will stay mostly dry (19% rain probability), but checking the forecast before heading out is always wise.
Complete Packing Guide
Weekly breakdown & essential items for Paris
Smart Suitcase
- Light Jacket
- Long Pants
Average High
21.3°C
Daytime Peak
Average Low
12.1°C
Nighttime Low
Feels Like
21.5°C
☀️ Feels accurate
Rain Chance
19%
Avg 1mm if it rains
Cloud Cover
56%
Overcast
Pressure
1017.2 hPa
Medium volatility
Paris 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
🔴 33 min to burn
Type III-IV
🟡 50 min to burn
Type V-VI
🟢 83 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°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 France
Flight Traffic
Moderate
51/100 pressure index
Health Advisory
Required
1 vaccine • View Details →
Landing Slots
~654
Daily arrival options (inc. codeshare)
Sunrise, Sunset & Wind in Paris
Daylight & Sun
Solar Elevation Cycle
🌅 Sunrise
06:28
☀️ Noon
12:47
🌇 Sunset
19:06
⏱️ Daylight
12h 38m
Wind Speed
17.1 km/h
Gentle breeze
Sunshine
9.0 hrs
Direct Sun (Cloud-free)
Humidity
72%
Humid / Damp
Travel Intelligence
Exclusive flight analytics & health data for Paris
Smart Flight Estimator
Airport-to-Airport Logistics
unlock smart flight estimates
Add your home location in settings to see airport details.
Travel Health & Safety in Paris
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
Zero seismic activity detected in 30 years.
"According to 30YearWeather's analysis of 30 years of NASA satellite data, Paris on September 15 averages 21.3°C with a 19% precipitation probability. Wedding/Outdoor Event Score: 98/100."
— Source: 30YearWeather.com|Data: NASA POWER (1991-2021)|View Methodology
Paris Weather History (2010–2024)
Temperature History
Hall of Fame
Records from last 10 years
Better Alternatives Nearby
Consider these dates within ±7 days
September 8
23°C • 17% rain
Score
99
September 16
21.4°C • 16% rain
Score
99
September 17
21.4°C • 17% rain
Score
99
💡 Moving your event by a few days could significantly improve weather conditions
Compare Other Cities
Same date (September 15) in other destinations
Lisbon
Portugal
Rome
Italy
Barcelona
Spain
London
United Kingdom
Prague
Czech Republic
🌍 Explore the same date in different destinations around the world
📍 Is Paris Worth Visiting on September 15?
Planning a trip to Paris on September 15? 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 21.3°C with a 19% historical precipitation risk.
✈️ Travel Logistics: Approximately 654 landing slots available daily during this period, indicating peak tourist activity.
💉 Health Advisory: 7 vaccinations are recommended for France, including COVID-19.
📊 Historical Extremes: The hottest September 15 recorded in the last 30 years saw temperatures hit 33.4°C in 2020, while the coldest dropped to 6°C in 2024.