Nice Weather in September
In September, Nice averages a high of 25°C (77°F) and a low of 18°C (64°F), from 56 years of daily records (1971–2026).
25°C
Average high
77°F
18°C
Average low
64°F
34°C
Record high
92°F · September 4, 2009
8°C
Record low
46°F · September 27, 1972
What September Is Like in Nice
- September 2026 was the warmest September in 56 years of records, 3.2°C (5.8°F) above the long-run average.
- 8 of the 10 warmest Septembers on record in Nice have come since 2012.
- September in Nice has become 1.7°C (3.0°F) warmer on average: the 2012–2026 average against 1970–1989.
- The coldest September reading, 8°C (46°F) on September 27, 1972, has not been matched in 54 years.
At least 1 mm of rain falls on 14% of September days, and the month averages 62 mm in total.
Warmest: 2026 (27.6°C)Latest: 2026 (27.6°C)10-year averageLong-run average (24.8°C)
Look Up a Day in September
See the weather in Nice on any September date, year by year.
Source: NOAA GHCN-Daily, Cote D Azur (1973–2025); Nice (1971–2026). Averages cover 1971–2026. How we compute this