Weather in Nantes in September
How warm is it in Nantes in September?
In September the typical daytime high in Nantes is 22.6 °C on average, from 24.5 °C at the start to 20.1 °C at the end of the month.
That is 2.8 °C cooler than in August and 4.5 °C warmer than in October.
The last 10 years were 1.6 °C warmer than more than 40 years ago.
Click a day for more: afternoon and night, the usual range, records and how fast it is warming.
Measured at the weather station Nantes-Bouguenais, 9 km away.