September 14 is generally a great time to visit Mont Saint-Michel. While there is a slight chance of rain (29%), showers are usually brief. Expect comfortable 20°C weather.
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Essential Travel Info for Mont Saint-Michel
Currency
EUR
€ Euro
Language
French
Driving
Right side
Safety
High Safety
GPI: 1.895
Mont Saint-Michel Weather Forecast for September 14
"Mild & Comfortable. Expect average highs of 19.8°C. 29% chance of rain."
What to Wear in Mont Saint-Michel in September
Based on historical data for September 14, Mont Saint-Michel typically experiences temperatures between 13.1°C and 19.8°C. We recommend packing light jacket, long pants to stay comfortable. With a 29% chance of rain, keeping a raincoat or umbrella handy is a smart move.
Complete Packing Guide
Weekly breakdown & essential items for Mont Saint-Michel
Smart Suitcase
- Light Jacket
- Long Pants
Average High
19.8°C
Daytime Peak
Average Low
13.1°C
Nighttime Low
Feels Like
19.8°C
🌤️ Feels accurate
Rain Chance
29%
Avg 2.2mm if it rains
Cloud Cover
63%
Overcast
Pressure
1017.2 hPa
Medium volatility
Mont Saint-Michel Weather Conditions & UV Index
Weather Confidence
30-year variance analysis
Based on 10 years of data
✓ This date historically delivers consistent weather 75% 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
🔴 36 min to burn
Type III-IV
🟡 54 min to burn
Type V-VI
🟢 90 min to burn
UV estimate based on latitude, season & cloud cover. Actual UV may vary.
Outdoor Comfort
How pleasant is it outside?
Dew Point
15.6°C
Pleasant
Heat Stress
Low
No heat warning
🙂 Best outdoor time:
Any time during daylight hours
Marine Conditions
Marine Life
No special warnings. Enjoy the swim!
Swim Index
⚠️ Mixed Conditions
Travel & Logistics Insights
Local Calendar
Business Day
Standard hours in France
Flight Traffic
N/A
0/100 pressure index
Health Advisory
Required
1 vaccine • View Details →
Landing Slots
N/A
Daily arrival options (inc. codeshare)
Sunrise, Sunset & Wind in Mont Saint-Michel
Daylight & Sun
Solar Elevation Cycle
🌅 Sunrise
07:42
☀️ Noon
14:03
🌇 Sunset
20:24
⏱️ Daylight
12h 41m
Wind Speed
21.5 km/h
Moderate wind
Sunshine
9.4 hrs
Direct Sun (Cloud-free)
Humidity
77%
Humid / Damp
Travel Intelligence
Exclusive flight analytics & health data for Mont Saint-Michel
Smart Flight Estimator
Airport-to-Airport Logistics
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Travel Health & Safety in Mont Saint-Michel
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 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, Mont Saint-Michel on September 14 averages 19.8°C with a 29% precipitation probability. Wedding/Outdoor Event Score: 93/100."
— Source: 30YearWeather.com|Data: NASA POWER (1991-2021)|View Methodology
Mont Saint-Michel Weather History (2010–2024)
Temperature History
Hall of Fame
Records from last 10 years
Better Alternatives Nearby
Consider these dates within ±7 days
September 17
19.9°C • 20% rain
Score
98
September 7
21.3°C • 22% rain
Score
97
September 16
19.8°C • 22% rain
Score
97
💡 Moving your event by a few days could significantly improve weather conditions
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Same date (September 14) in other destinations
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📍 Is Mont Saint-Michel Worth Visiting on September 14?
Planning a trip to Mont Saint-Michel on September 14? 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 19.8°C with a 29% historical precipitation risk.
💉 Health Advisory: 7 vaccinations are recommended for France, including COVID-19.
🌊 Coastal Conditions: Water temperature averages 19.4°C (refreshing tonic). Wave conditions are generally fun waves with heights around 0.58m.
📊 Historical Extremes: The hottest September 14 recorded in the last 30 years saw temperatures hit 31.4°C in 2020, while the coldest dropped to 5.7°C in 2024.