Nice is typically warm in September.

Maximum temperatures go down compared to the previous month from +81°F to +75°F. The minimum temperature also goes down from +72°F to +66°F.

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 in Nice in September is Comfortable. It varies from +69°F to +76°F, with an average of +72°F. This is almost similar to the air temperature, which averages +75°F.

The water temperature in September is one of the warmest of the entire year:

September typically has worse weather conditions compared to August. It’s getting colder in September. From +81°F in the day, the average maximum temperature lowers to +75°F. Prepare for more rain. Average rainfall goes from 22 mm to 59 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.

The climate in Nice in September has not changed that much over the last 43 years.

The average temperature was the lowest in 1980 (+61°F) and the highest in 2022 (+71°F). The driest year was 2007 with only 321 mm of rainfall, and the wettest year was 2014 with 1437 mm.

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.