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Nice Weather in September

Nice in September sees high temperatures, with highs around 23°C (73°F) and overnight lows of 17°C (63°F). Rainfall is fairly high at around 82 mm (3.2 in) on average, so pack waterproofs just in case.

Rainfall in Nice in September

Analyzing past climate data, one can expect approximately 7 days of rain, averaging 82 mm (3.2 in). When rain does fall this month, it tends to come down hard. The low number of rain days makes each shower more significant.

Temperature in Nice in September

September in Nice is generally excellent, with days reaching 23°C (73°F) and nights settling around 17°C (63°F). The days can feel warmer than the evenings, so packing for both parts of the day is a good idea. With overnight lows of 17°C (63°F), evenings can feel noticeably cooler than the daytime. An extra layer is a good idea, though the cool air makes for a good night's sleep.

Sunshine in Nice in September

Expect a lot of sunshine this month, with about 226 hours of sun. These sunny conditions add to the overall experience.

Wind Speed in Nice in September

September has wind speeds averaging 3 m/s (6 knots). You can expect comfortable light winds that steadily move flags and feel mild throughout the day. Since this is an average, daily conditions vary from gentle winds to more active breezes.

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.

Our weather planner can help you find worldwide destinations with pleasant weather during this period. May, June, July, August and September typically offer the best weather for Nice.

Nice Temperature in September

Min Temperature
17°C (63°F)
Max Temperature
23°C (73°F)
Water Temperature
22°C (72°F) *
Chance of Rain
23%
Precipitation
82 mm (3.2 in)
Rainy days
7 days
Humidity
76% *
Windspeed
3 m/s (6 knots) *
Sunshine
226 hours *
Percentage Sunshine
66% *
* Data from: Monaco, France (7 KM, 4 Miles).

Nice Weather by Month

Pick a month to see the average temperature, rainfall and sunshine in Nice - and find the best time to visit.

Daily Historical Temperatures

50-year average (1976-2025)

Based on our historical records, temperatures in Nice typically stay consistent throughout September, with daily highs averaging around 23°C (73°F). Nights are pleasant, with lows typically ranging from 16°C (61°F) to 19°C (66°F).

Average temperatures in September

Daily Historical Precipitation

50-year average (1976-2025)

Average daily rainfall for each day of the month based on long-term records.

Average precipitation in September

Historical weather records for Nice in September

Browse day-by-day weather records for Nice spanning 51 years. Select any month and year to see actual temperatures, rainfall, and conditions recorded on each day.

Nice historical weather extremes in September

Based on 49 years of weather observations (1976-2025), these are the most extreme conditions recorded in Nice.

  • The warmest day in September was on September 4, 2009, with a maximum of 33°C (91°F).
  • The coldest September day was on September 22, 1977, with a maximum of 16°C (61°F).
  • Nice registered its coldest September night on September 23, 1998, with temperatures dropping to 9°C (48°F).

Best Places in France in September

Find out more about the weather in France and which places have the best travel conditions in this month. See all of France in September →

perfect weather
pleasant
tolerable
unpleasant
poor

Perfect weather is subjective. On this map perfect weather has been defined with temperatures between 20°C (68°F) and 29°C (84°F) and not too much precipitation (less than 90 mm (3.5 in) a month).

What to Wear in Nice in September

Comfortable temperatures call for an easy wardrobe in September. Pack summer basics like t-shirts and shorts, but include a light jacket for cooler moments. A pair of comfortable walking shoes is essential. Expect heavy rainfall, so bring good rain protection and waterproof bags. The water temperature sits at about 22°C (72°F), making it perfect for swimming and water activities. Don't forget to pack your favorite swimwear and perhaps some snorkel gear. And with plenty of sunshine hours, don’t forget sunglasses, sunscreen, and maybe a sun hat.

What To Do in Nice 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

Nice 3-Day Forecast

Popular in September

Where to go in September - average daytime high across popular destinations.

Bucket list

Need travel inspiration? Check out our bucket list articles and be inspired.