Weather in Sundsvall in September
How warm is it in Sundsvall in September?
In September the typical daytime high in Sundsvall is 14.5 °C on average, from 16.8 °C at the start to 11.6 °C at the end of the month.
That is 4.6 °C cooler than in August and 6.1 °C warmer than in October.
The last 10 years were 0.7 °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 Harnosand (42 km) and Oestersund-Froesoen (168 km); nearer ones count more.