Weather in Bern in September
How warm is it in Bern in September?
In September the typical daytime high in Bern is 18.7 °C on average, from 21.0 °C at the start to 15.9 °C at the end of the month.
That is 4.3 °C cooler than in August and 5.2 °C warmer than in October.
The last 10 years were 1.2 °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 Basel Binningen (66 km), Zuerich/Fluntern (97 km) and Col Du Grand St-Bernard (122 km); nearer ones count more.