FranceAverage weather for Mont Saint-Michel in September
It's pleasantly warm in September in Mont Saint-Michel with an average temperature of 21°C. Temperatures this month range from a low of 18°C to a high of 23°C. At night, you can expect temperatures between 11°C and 16°C.
Start of September
The month of September starts in Mont Saint-Michel with warm temps, averaging around 22°C during the day and nights around 15°C. There’s little chance of precipitation. The weather’s mostly sunny and dry.
Mid September
By mid-September, daytime temps stay steady at around 22°C, with nights around 14°C. There’s a chance of some showers during this time, but plenty of dry and sunny days too.
End of September
By the end of September, the average daytime temperature in Mont Saint-Michel is around 20°C, while nighttime temps are about 13°C. A shower might pop up, but overall, the weather will be dry and sunny.
Water temperature
The water temperature at Mont Saint-Michel is 19°C this month. Refreshing if you feel like a swim.
In September, there is an average of 49 mm of precipitation, spread over 9 days. The wind speed is around 4 Bft, mostly coming from the South.
Mont Saint-Michel in September |
New York | ||
|---|---|---|---|
 Average temperature |
21°C | 27°C | |
 Max. temperature |
23°C | 31°C | |
| Min. temperature |
18°C | -5°C | |
 Total precipitation |
49 mm | 57 mm | |
| Rainy days |
9 days | 9 days | |
August
UV index
The UV index is a maximum of 7 this month. That's a moderate to high value on the intensity scale of 1 to 11. Unprotected skin can burn within 15-25 minutes.
Is September a good time to visit Mont Saint-Michel?
Looking for great weather? September is a good time to be in Mont Saint-Michel. The temperatures are nice, and there’s not too much rain.
Temperature records
With 32°C in 2020, Mont Saint-Michel reached the highest temperature in September over the past 10 years. The lowest daytime temperature in this month was 13°C in 2020. The extreme nighttime temperatures ranged from a lowest recorded value of 5°C to a highest value of 21°C.
Check out the climate of Mont Saint-Michel for all months and discover the best travel time
Daily Temperature in September in Mont Saint-Michel
This chart shows the average daily high and low temperatures in September for Mont Saint-Michel, in degrees Celsius. The red line represents the highs, and the blue line shows the lows. The days of the month are displayed at the bottom of the chart. The data, based on historical observations, provide the average temperatures for this month.
Daily Precipitation in September in Mont Saint-Michel
The chart below shows the average daily precipitation in September for Mont Saint-Michel, measured in millimeters over the past few years. Precipitation is always measured as water, even if it’s snow or hail. The days of the month are listed at the bottom of the chart.
A low average precipitation means that the chance of rain on that day is usually small, while a higher average suggests that it rained more often. But remember, it’s just an average, and every day can be different. Based on historical weather data for September, you can expect about 9 days of precipitation in Mont Saint-Michel.
Daily UV index in September in Mont Saint-Michel
This chart shows the average daily UV index in September in Mont Saint-Michel, with the UV index ranging from 0 to a maximum of 11. The bottom of the chart shows the days of the month. Based on historical data, this chart provides an idea of the daily UV radiation levels you can expect.
Temperature in September in Mont Saint-Michel over the years
This chart shows the average temperature in September in Mont Saint-Michel, measured in degrees Celsius, over the past few years.
Total precipitation in September in Mont Saint-Michel over the years
This chart shows the average precipitation in September in Mont Saint-Michel, measured in millimeters over the past years. Precipitation is always measured as water, whether it’s snow or hail.
Daily weather in September for Mont Saint-Michel
Click on any day in September to get detailed info about the usual weather on that day in Mont Saint-Michel. Check out the historical temperatures and precipitation over the past 10 years on this day.
Weather experiences in September in Mont Saint-Michel
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Average weather in Mont Saint-Michel by month
Click on a month below to see detailed weather info for Mont Saint-Michel. Based on historical weather data, you can see the average temperature, precipitation, wind, and UV index for each day of the month.
Or check out the climate of Mont Saint-Michel for all months at once
