Weather in Nice in September 2025
Average weather
Average temperature in Nice in September
The expected average maximum temperature in September is +27°C with a maximum of +30°C and a minimum of +16°C.
The average maximum temperature goes up 21% by the end of the month, compared with the beginning of the month, from +24°C to +27°C.
Is Nice warm or cold in September?
Nice is typically warm in September.
Maximum temperatures go down compared to the previous month from +27°C to +24°C. The minimum temperature also goes down from +22°C to +19°C.
It’s generally warm, but pack a long-sleeve shirt for evenings.
September is one of the warmest months in Nice, here is the comparison with other months:
Water temperature in Nice in September
Water in Nice in September is Comfortable. It varies from +20°C to +24°C, with an average of +22°C. This is almost similar to the air temperature, which averages +24°C.
The water temperature in September is one of the warmest of the entire year:
Can you swim in Nice in September?
Climate in Nice in September
| August | September | October | ||||
|---|---|---|---|---|---|---|
| Avg. temperature | ||||||
| +27°C | +24°C | +20°C | ||||
| Min. temperature | ||||||
| +16°C | +11°C | +6°C | ||||
| Max. temperature | ||||||
| +36°C | +32°C | +29°C | ||||
| Rainfall | ||||||
| 23 mm | 58 mm | 105 mm | ||||
| Wind | ||||||
| 2 m/s | 3 m/s | 3 m/s | ||||
| Avg. water temperature | ||||||
| +24°C | +22°C | +20°C | ||||
| Humidity | ||||||
| 68% | 68% | 71% | ||||
| Air pressure | ||||||
| 1013 HPa | 1014 HPa | 1015 HPa | ||||
| Sunny days | ||||||
| 16 | 13 | 10 | ||||
| Cloudy days | ||||||
| 7 | 7 | 8 | ||||
| Rainy days | ||||||
| 5 | 7 | 9 | ||||
| Snowy days | ||||||
| 0 | 0 | 0 | ||||
September typically has worse weather conditions compared to August. It’s getting colder in September. From +27°C in the day, the average maximum temperature lowers to +24°C. Prepare for more rain. Average rainfall goes from 23 mm to 58 mm. Humidity levels don’t change as the month goes on, averaging around 68%. Winds are stronger in comparison to August, going up from 2 m/s to 3 m/s on average. The days becoming less sunny, going from 16 sunny days in August to 13 in September.
October brings much the same weather, it remains good.
Wind
The average wind speed is 3 m/s getting up to 6 m/s which is a medium breeze. You can feel it, especially getting out of the water.
The average wind speed in Nice is gradually increasing during September, going from 2 m/s to 2 m/s over the course of the month.
Rain
How was the weather last September in Nice?
Climate Change over Years
The climate in Nice in September has not changed much over the last 43 years.
The average temperature was the lowest in 1980 (+16°C) and the highest in 2022 (+21°C). The driest year was 2007 with only 321 mm of rainfall, and the wettest year was 2014 with 1437 mm.
FAQ
Is September a good time to visit Nice?
Can you sunbathe in Nice in September?
Can you swim in Nice in September?
Is Nice rainy in September?
Is it sunny in Nice in September?
Other cities in France
Monthly weather in Nice
Source of the data
For this page, we’ve looked at the typical weather in Nice, based on historical hourly weather data from January 1, 1979, to December 31, 2023.
For past dates, we show actual recorded data at the location at that time. Forecasts are based on recorded weather during that day of the year, averaged over the total years for which we have records (unless stated otherwise). The daily temperature is the highest recorded temperature in the shadow during that day.