Highest September Temperatures in Härnösand

A list of the highest temperatures ever recorded in the month of September in Härnösand, Sweden from 1858–2024.
What's the hottest it has ever gotten in Härnösand in September?
The hottest September temperature in Härnösand, Sweden history was 26.0 °C which has occurred twice, most recently on September 3, 1999.
Rank Temperature Date
1 26.0 °C September 3, 1999
1 26.0 °C September 3, 1958
3 25.5 °C September 7, 1958
4 25.0 °C September 4, 1958
5 24.2 °C September 5, 1949
6 24.0 °C September 6, 1999
6 24.0 °C September 2, 1991
6 24.0 °C September 1, 1961
6 24.0 °C September 7, 1947
6 24.0 °C September 1, 1947
6 24.0 °C September 26, 1895
12 23.8 °C September 12, 2002
13 23.6 °C September 23, 2006
14 23.5 °C September 3, 1991
14 23.5 °C September 17, 1961
16 23.4 °C September 9, 2002
16 23.4 °C September 6, 1949
18 23.0 °C September 7, 1949
18 23.0 °C September 8, 1939
18 23.0 °C September 12, 1907
18 23.0 °C September 14, 1890
18 23.0 °C September 7, 1889
18 23.0 °C September 14, 1883