Temperature
Pleasant by day, brisk at night.
66°Ftypical September high
Typical range
September climate
September in Mont-Saint-Michel
France · Normandy
Mild days and plenty of sun.
Good overall
Daytime high
66°F
Lows around 58°F
Rain
Several rainy days
Sun
10 h/day
Air feel
Comfortable
Sea temp
65°F
Cool water
When to visit
Month-by-month fit
Best
Precipitation
Several rainy days. About 12 wet days, fewer than in most months.
40%wet-day frequency
AmountWet-day chance
Sunshine
A mix of sunshine and cloud.
9.8 hSeptember sunshine
Heat & humidity by month
ComfortableSeptember
Easy airWarm airHumid air
Hourly temperature pattern
In September, afternoons feel about 61° and nights feel near 55°.
Very coldColdCoolNight hours
Clear sky
Mostly cloudy skies this month.
40%September Clear sky
Clear skyCloud
Wind pattern
Breezy conditions are typical in September. More a comfort consideration than a planning concern.
11 mphSeptember Breezy
Sea temperature
65°FSeptember sea temp
More detailIncludes daypart comfort
Typical September day
September late afternoons are around 65°F, and early evening stays near 64°F.
Avg temp Typical range
Morning60°F
Rain25%
Cloud64%
Humid airLow
Sun intensityMinimal
Midday64°F
Rain21%
Cloud62%
Humid airLow
Sun intensityModerate
Late afternoon65°F
Rain19%
Cloud61%
Humid airLow
Sun intensityModerate
Early evening64°F
Rain19%
Cloud57%
Humid airLow
Sun intensityMinimal
Best windowData tableView month-by-month numbers
View month-by-month numbers
| Month | High°F | Low°F | Rainin | Wet days | Sunh | Humidity% | Sea°F |
|---|---|---|---|---|---|---|---|
| Jan | 47 | 42 | 4.6 | 16 | 4.8 | 84 | 52 |
| Feb | 47 | 42 | 3.5 | 13 | 6.3 | 82 | 50 |
| Mar | 51 | 44 | 3.1 | 14 | 8.2 | 81 | 50 |
| Apr | 55 | 47 | 2.6 | 11 | 10.6 | 78 | 52 |
| May | 59 | 52 | 2.8 | 12 | 11.3 | 80 | 56 |
| Jun | 64 | 57 | 2.5 | 11 | 12.3 | 80 | 60 |
| Jul | 67 | 60 | 2.9 | 13 | 12.3 | 80 | 64 |
| Aug | 68 | 61 | 3.1 | 13 | 11.2 | 80 | 66 |
| Sep | 66 | 58 | 3.3 | 12 | 9.8 | 79 | 65 |
| Oct | 60 | 54 | 5.0 | 16 | 7.0 | 82 | 62 |
| Nov | 53 | 48 | 5.3 | 17 | 5.5 | 83 | 58 |
| Dec | 49 | 43 | 5.7 | 17 | 4.6 | 84 | 54 |
Similar climates
Similar
Similar travel styleHonfleurFranceSimilar travel styleNew York CityUnited StatesSimilar travel styleAberdeenUnited StatesSimilar travel styleAberystwythUnited Kingdom
Want a side-by-side climate view? Compare Mont-Saint-Michel with Honfleur.
Climate data notePlanning guidance, not a forecast
Typical monthly values are based on long-term climate records. Useful for planning, not a forecast. Check the weather before you travel.
Sunshine: source type is not yet identified at metric level.
Local microclimates can vary by beach, neighborhood, trail, or elevation.
Last updated: Aug 26, 2026
Data & methodology