Weather in Geneva in September
How warm is it in Geneva in September?
In September the typical daytime high in Geneva is 16.0 °C on average, from 18.3 °C at the start to 13.2 °C at the end of the month.
That is 4.2 °C cooler than in August and 4.9 °C warmer than in October.
The last 10 years were 1.5 °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 Col Du Grand St-Bernard (87 km), Lyon - St Exupery (98 km) and Dijon-Longvic (143 km); nearer ones count more.