Skip to content
Voykit
Draft data. Times, fares and step counts are desk estimates awaiting field checks. How we verify
Source checked
A source and a date are on record: we read it from an official or published page. Not yet confirmed on the ground.
Field checked
Someone checked it on the ground, with the date shown.
Plan calculated
Worked out by Voykit from its own data (times, distances, budgets). A calculation, not a measurement.

Unknown times stay unknown. How we verify

When to go · Mont Saint-Michel

Mont Saint-Michel in September

Great month. Inside Mont Saint-Michel's best window: May–Sep.

Key facts

Verdict
Great
Temperature
20°C (68°F) / 12°C (54°F)
average high / low
Rain days
10
Crowds
Medium
France overall
Prices
Medium
France overall

Verdict

GreatBest and avoid months for Mont Saint-Michel

Inside Mont Saint-Michel's best window: May–Sep.

Is another month better than September?

No other month rates higher than September for Mont Saint-Michel in this guide.

Weather in September

Long-term averages
  • Mont Saint-MichelHighs around 20 °C (68 °F), lows around 12 °C (54 °F), rain on about 10 days

Crowds and prices

Crowds · France overall
Medium
Prices · France overall
Medium

France overall: Warm sea in the south, grape harvest in the vineyards, quieter roads. The best all-round month.

Compare two months

Weather, crowds and prices for any two months in Mont Saint-Michel, side by side.

  • Verdict

    Sep: Great

    May: Great

  • Daytime high

    Sep: 20 °C (68 °F)

    May: 17 °C (63 °F)

  • Night low

    Sep: 12 °C (54 °F)

    May: 9 °C (48 °F)

  • Rain days

    Sep: 10

    May: 10

  • Crowds

    Sep: Medium

    May: Medium

  • Prices

    Sep: Medium

    May: Medium

  • Festivals listed

    Sep: 0

    May: 1

September: Inside Mont Saint-Michel's best window: May–Sep.

May: Inside Mont Saint-Michel's best window: May–Sep.

Mont Saint-Michel: figures are long-term averages from this guide, not a forecast.

What to pack

  • A warm layer for the evenings
  • A rain jacket or umbrella and shoes that dry fast

Build the full packing list for your trip →

Across France in September →