Weather in La Roche-sur-Yon in September
How warm is it in La Roche-sur-Yon in September?
In September the typical daytime high in La Roche-sur-Yon is 22.3 °C on average, from 24.1 °C at the start to 19.8 °C at the end of the month.
That is 2.8 °C cooler than in August and 4.4 °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.
The average of the weather stations Nantes-Bouguenais (55 km) and Belle Ile - Le Talut (153 km); nearer ones count more.