Whitehorse September Weather

Averages and records for weather in Whitehorse, Yukon in the month of September.
Typical Whitehorse September Weather
1991–2020
Average daily high 12.0 °C
Average daily low 2.5 °C
Average monthly precipitation 3.1 cm
Average monthly snow 4.4 cm
Daily chance of precipitation 41.1%
Daily chance of snow 5.1%
Whitehorse September Weather Records
1900–2024
Highest temperature 25.0 °C September 1, 1974
Lowest temperature -19.4 °C September 27, 1983
Highest daily low 13.3 °C September 2, 1951
Lowest daily high -5.4 °C September 26, 1983
Hottest average high temperature 16.4 °C 1957
Coldest average high temperature 6.2 °C 1992
Most daily precipitation 2.5 cm September 23, 1986
Most monthly precipitation 7.5 cm 1941
Most daily snow 21.6 cm September 27, 1956
Most monthly snow 41.7 cm 1992
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 14.9 4.7 25.0 -3.9
September 2 14.7 4.6 23.9 -4.4
September 3 14.6 4.4 22.8 -5.0
September 4 14.4 4.3 23.9 -3.3
September 5 14.2 4.1 23.9 -3.3
September 6 14.1 4.0 22.1 -5.6
September 7 13.9 3.8 22.2 -3.9
September 8 13.8 3.7 22.5 -8.9
September 9 13.6 3.5 24.5 -6.0
September 10 13.4 3.3 21.7 -5.0
September 11 13.3 3.2 20.6 -5.0
September 12 13.1 3.1 22.8 -3.3
September 13 12.9 2.9 22.8 -7.8
September 14 12.6 2.7 21.7 -3.9
September 15 12.4 2.5 24.0 -4.4
September 16 12.1 2.4 22.2 -6.6
September 17 12.0 2.3 23.9 -6.7
September 18 11.8 2.1 20.6 -6.7
September 19 11.6 2.0 22.5 -6.0
September 20 11.4 1.9 23.7 -7.8
September 21 11.2 1.7 22.2 -8.9
September 22 11.0 1.6 22.2 -7.8
September 23 10.8 1.4 21.6 -10.0
September 24 10.6 1.3 22.0 -11.7
September 25 10.3 1.1 18.9 -7.8
September 26 10.1 1.0 16.2 -10.6
September 27 9.9 0.8 17.2 -19.4
September 28 9.6 0.6 17.8 -9.3
September 29 9.3 0.4 15.6 -11.7
September 30 9.0 0.2 19.4 -8.3
Weather Station Details
Years Station Coordinates
1943–2024 Whitehorse A location
1900–1942 Whitehorse location