Whitehorse weather in September
Temperature, rain and sunshine in September: long-term averages from 30 years of weather data, not a forecast.
Holiday weather in September
Poor
Best time to visit: June – August
What is the weather like in Whitehorse in September?
In September, Whitehorse is cool: daytime highs average 11 °C, and nights cool down to about 3 °C. Expect around 5 hours of sunshine a day. Rain is frequent, with about 11 rainy days and 45 mm in total. All in all, September is not an ideal month for a holiday in Whitehorse.
September compared
How the weather changes from August to October. Tap a month to open it.
| AugustAug | SeptemberSep | OctoberOct | |
|---|---|---|---|
| Score | 75 | 36 | 16 |
| Day | 17° | 11° | 3° |
| Night | 8° | 3° | −3° |
| Sun | 7 h | 5 h | 3 h |
| Rain days | 11 | 11 | 11 |
More details for September
- Daylight
- 13 h 2 min07:25 – 20:26
- UV index
- 2 · lowclear sky, noon (estimate)All months
- Muggy days
- 0 daysdew point 18 °C or moreAll months
- Wind
- 14 km/haverage daily peakAll months
- Cloud cover
- 71 %on averageAll months
- Hot days
- 0 days30 °C or more
- Snow days
- 1 day1 cm or more of fresh snowAll months
- Time zone
- UTC−7America/Whitehorse
How the score comes together
- Temperatureweight 50 %28 %
- Sunshineweight 20 %32 %
- Few rainy daysweight 30 %51 %
Each factor is rated from 0 to 100 % and weighted for the travel style “City break”.
What to pack in September
- A jumper for the evenings
- Rain jacket or umbrella
Whitehorse in September: quick answers
Is Whitehorse hot in September?
No. In September, Whitehorse is cool: daytime highs average 11 °C and nights drop to about 3 °C.
Does it rain much in Whitehorse in September?
Rain is frequent, with about 11 rainy days and 45 mm in total.
Whitehorse month by month
The whole year in WhitehorseAll destinations: CanadaWhere to go in September
Climate averages 1996–2025, not a forecast. Data: Copernicus ERA5 / ERA5-Land via Open-Meteo.com (CC BY 4.0), NOAA OISST, WMO 1991–2020 (NOAA NCEI), GeoNames (CC BY 4.0). Sources & licences