Weather in Tønsberg in September
How warm is it in Tønsberg in September?
In September the typical daytime high in Tønsberg is 16.0 °C on average, from 18.0 °C at the start to 13.8 °C at the end of the month.
That is 3.4 °C cooler than in August and 4.8 °C warmer than in October.
The last 10 years were 1.3 °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 Faerder Fyr (28 km) and Oslo Blindern (77 km); nearer ones count more.