Mont Saint-Michel weather in September
Monthly temperatures, rain, humidity, what to wear and what to pack — 2024–2025 historical average
Mont Saint-Michel September weather at a glance
In September, Mont Saint-Michel averages 15.4°C, with typical highs of 19.3°C and lows of 12.1°C. The historical average is 15 wet days and 80% humidity.
Mont Saint-Michel September temperature & humidity
Mont Saint-Michel September rain & wet days
Pack a light rain jacket, waterproof pouch and quick-dry shoes. Keep an indoor stop available between outdoor activities.
What to wear in Mont Saint-Michel in September
T-shirts or long sleeves with one light outer layer should be comfortable. Rain is frequent at roughly 15 days in the month; pack a rain jacket and water-resistant shoes.
- DaytimeLong sleeves and a light jacket · average high 19.3°C
- Morning & eveningLong sleeves with a jacket or cardigan · average low 12.1°C
- FootwearComfortable walking shoes; quick-dry footwear for rainy days.
Packing essentials
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Mont Saint-Michel September sunrise & sunset times
2026 September · Local time (Europe/Paris)
| Date | Sunrise | Sunset | Daylight |
|---|---|---|---|
| 2026-09-01 | 07:23 | 20:48 | 13h 25m |
| 2026-09-15 | 07:43 | 20:19 | 12h 36m |
| 2026-09-30 | 08:04 | 19:47 | 11h 43m |
For sunset photos, arrive before the listed sunset time. Clouds, mountains and buildings can change when the sun becomes visible or disappears.
Calculated for the city coordinates with daylight saving applied. SunCalc · tz-lookup
Mont Saint-Michel travel updates
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Mont Saint-Michel city map
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Best months to visit Mont Saint-Michel
Bar height shows our simple weather-comfort score, not a safety rating; colour shows temperature.
September weather by year
Daily weather in 2025
Daily high and low temperatures; blue labels show precipitation
Frequently asked questions
What is Mont Saint-Michel weather like in September?
In September, Mont Saint-Michel averages 15.4°C, with typical highs of 19.3°C and lows of 12.1°C. The historical average is 15 wet days and 80% humidity. Our weather-comfort rating for this month is fair.
Does it rain a lot in Mont Saint-Michel in September?
There are about 15 wet days in September. Pack a rain jacket and water-resistant shoes.
What should I wear in Mont Saint-Michel in September?
T-shirts or long sleeves with one light outer layer should be comfortable. Rain is frequent at roughly 15 days in the month; pack a rain jacket and water-resistant shoes.
What are the best months to visit Mont Saint-Michel?
Recent weather data rates June, August among the more comfortable months.
Where can I check Mont Saint-Michel weather in September in real time?
Check local webcams for the view right now and a local weather service for today’s forecast. Monthly temperatures here are historical averages.
What time are sunrise and sunset in Mont Saint-Michel in September?
On 2026-09-15, calculated sunrise is 07:43 and sunset is 20:19 in local time (Europe/Paris). Times vary by date and terrain.
Mont Saint-Michel weather by month
More Europe destinations in September
Open-Meteo (CC BY 4.0) · 2024–2025 historical data, aggregated and rounded by this site. Not a forecast or long-term climate normal. Calculation method and limitations