When to go · Monaco city
Monaco city in September
Great month. Warm; yacht show late in the month.
Key facts
- Verdict
- Great
- Temperature
- 25°C (77°F)77°F (25°C) / 18°C (64°F)64°F (18°C)
- average high / low
- Rain days
- 4
- Crowds
- Medium
- Monaco overall
- Prices
- High
- Monaco overall
Verdict
Warm; yacht show late in the month.
All twelve months in one grid — weather, crowds and prices, with gaps left as unknown.
Is another month better than September?
No other month rates higher than September for Monaco city in this guide.
Weather in September
- Monaco cityHighs around 25 °C (77 °F), lows around 18 °C (64 °F), rain on about 4 daysHighs around 77 °F (25 °C), lows around 64 °F (18 °C), rain on about 4 days
Autumn season
Warm sea, calmer streets and the yacht show.
Watch: Yacht-show prices and National Day closures.
Festivals and holidays
Dates as our data lists them. Moving holidays (lunar and Islamic calendars, Easter) shift every year: check the date for your year before you build a trip on it.
Monaco Yacht Show check
Late September · Port Hercule
Harbour fills and hotels are dear.
Yacht show
Late September
The harbour fills and hotels are dear.
Crowds and prices
- Crowds · Monaco overall
- Medium
- Prices · Monaco overall
- High
Monaco overall: Warm sea; the Yacht Show in late September fills the harbour and hotels.
High-price month: see what to book ahead.
Compare two months
Weather, crowds and prices for any two months in Monaco city, side by side.
Verdict
Sep: Great
Mar: Great
Daytime high
Sep: 25 °C (77 °F)77 °F (25 °C)
Mar: 15 °C (59 °F)59 °F (15 °C)
Night low
Sep: 18 °C (64 °F)64 °F (18 °C)
Mar: 9 °C (48 °F)48 °F (9 °C)
Rain days
Sep: 4 (better)
Mar: 5
Crowds
Sep: Medium
Mar: Low
Prices
Sep: High
Mar: Medium
Festivals listed
Sep: 2
Mar: 0
September: Warm; yacht show late in the month.
March: Mild; good for walking.
Monaco city: figures are long-term averages from this guide, not a forecast.
What to pack
Nothing unusual for the weather this month.