Monaco Weather in September

Monaco in September sees high daytime temperatures of 24°C (75°F) and nighttime lows of 17°C (63°F). Rainfall is fairly high this month at around 83 mm (3.3 in), so pack a rain jacket to stay dry.

Rainfall in Monaco in September

Historically, approximately 7 days this month are expected to have rain, averaging 83 mm (3.3 in). The rain this month typically falls in concentrated bursts rather than all-day showers. Expect a few heavier spells rather than constant grey skies.

Temperature in Monaco in September

Monaco in September has perfect weather. Days reach 24°C (75°F) and nights cool to 17°C (63°F). The days can feel warmer than the evenings, so packing for both parts of the day is a good idea. Nights drop to around 17°C (63°F), which is noticeably cooler than the daytime. A light jacket for the evening is a sensible addition, and the cool nights tend to make sleeping comfortable.

Sunshine in Monaco in September

With approximately 226 hours of sunshine, the days are filled with clear skies. It makes it a perfect month for being outside.

Wind Speed in Monaco in September

Wind speeds average 3 m/s (6 knots) during September. At this speed, light breezes keep leaves and small twigs in gentle motion while the wind also provides natural cooling. Since this is an average, some days are more tranquil while others have more persistent light winds that are more noticeable.

Average water temperature in September

At 22°C (72°F), the water is warm and comfortable for swimming. Most people find this temperature ideal for spending longer periods in the water.

If you favor pleasant temperatures and minimal rainfall, September is one of the best months to visit Monaco.

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For a detailed overview over the year and the best time to visit France, check out our Monaco's climate page.

Monaco Temperature in September

Min Temperature 17°C (63°F)  

Max Temperature 24°C (75°F)  

Water Temperature 22°C (72°F)  

Chance of Rain 23%  

Precipitation 83 mm (3.3 in)  

Rainy days 7 days  

Humidity 76%  

Windspeed 3 m/s (6 knots)  

Sunshine 226 hours  

Percentage Sunshine 66%  

What to Wear in Monaco in September

For Monaco in September, you'll want flexible clothing. It's wise to pack cotton shirts, comfortable shorts, and a pair of jeans for cooler evenings. A light sweater or jacket is useful for air-conditioned spaces (like buses) or unexpected cool moments. High rain levels are expected, so pack waterproof gear and an umbrella or poncho. With water temperatures around 22°C (72°F), swimming conditions are excellent. Pack your swimsuit, goggles, and maybe some water shoes. Don't forget sun protection, sunglasses, sunscreen, and a hat. These are all good ideas with this much sunshine.

What To Do in Monaco in September

We rated the following activities from 1 (least suitable) to 10 (best) to do.

Swimming

9/10

Cycling

9/10

Walking

9/10

Barbeque

8/10

Camping

8/10

Outdoor sports

9/10

Select a Month

Check the conditions for any month of the year.

• January
• February
• March
• April

• May
• June
• July
• August

• September
• October
• November
• December

For a detailed overview over the year and the best time to visit France, check out our Monaco's climate page.

More climate data for Monaco

Temperature Rainfall Sunshine Humidity Wind Speed Water Temp

See the full Monaco climate overview or explore weather in France.