Tromsø September Weather

Averages and records for weather in Tromsø, Norway in the month of September.
Typical Tromsø September Weather
1991–2020
Average daily high 10.9 °C
Average daily low 5.3 °C
Average monthly precipitation 11.1 cm
Daily chance of precipitation 70.2%
Tromsø September Weather Records
1920–2024
Highest temperature 22.4 °C September 1, 1938
Lowest temperature -4.3 °C September 27, 1986
Highest daily low 15.0 °C September 1, 1997
Lowest daily high -0.4 °C September 27, 1928
Hottest average high temperature 14.3 °C 1934
Coldest average high temperature 5.7 °C 1966
Most daily precipitation 4.7 cm September 3, 1924
Most monthly precipitation 21.5 cm 2009
Note: Daily averages are a moving average which includes 14 days before and after
Day Average (°C) Record (°C)
High Low High Low
September 1 13.2 7.1 22.4 0.7
September 2 13.1 7.0 20.4 0.5
September 3 12.9 6.9 22.0 0.3
September 4 12.8 6.8 20.7 0.6
September 5 12.6 6.6 18.3 0.0
September 6 12.5 6.5 19.2 -0.8
September 7 12.3 6.4 18.5 -0.1
September 8 12.2 6.3 18.2 0.6
September 9 12.0 6.1 18.8 -0.2
September 10 11.8 6.0 20.4 0.7
September 11 11.7 5.9 21.7 -0.8
September 12 11.5 5.7 18.8 -2.8
September 13 11.3 5.6 17.5 0.5
September 14 11.1 5.5 18.8 -1.0
September 15 10.9 5.3 16.5 0.2
September 16 10.8 5.2 17.0 0.0
September 17 10.6 5.1 17.0 0.4
September 18 10.4 4.9 19.0 -1.2
September 19 10.2 4.8 19.0 -1.2
September 20 10.1 4.7 18.7 -2.8
September 21 9.9 4.5 18.5 -1.0
September 22 9.8 4.4 16.2 -1.8
September 23 9.7 4.4 15.6 -2.0
September 24 9.5 4.3 15.7 -2.2
September 25 9.3 4.1 16.7 -2.6
September 26 9.1 3.9 17.6 -2.5
September 27 8.9 3.8 17.9 -4.3
September 28 8.7 3.7 18.2 -4.0
September 29 8.5 3.5 15.5 -3.3
September 30 8.3 3.4 16.4 -4.0
Weather Station Details
Years Station Coordinates
1920–2024 Tromso location