Whitehorse
September
Weather in Whitehorse for September 2025
Your guide to Whitehorse weather in September - trends and predictions
In general, the average temperature in Whitehorse at the beginning of September is 18.1 °C. As the month progressed, temperatures tended to moderately rise, reaching an average of 20 °C by the end of September.
Whitehorse sees moderate rainfall in September, averaging 10 rainy days.
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20
Dry days
10
Rainy days
0
Snow days
19°/7°
Temperatures
15 km/h
Avg max wind
64 %
Avg humidity
Whitehorse in September average weather
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| Mon. | Tue. | Wed. | Thu. | Fri. | Sat. | Sun. |
|---|---|---|---|---|---|---|
| 1  15° | 2  16° | 3  18° | 4  20° | 5 17° | 6 21° | 7 20° |
| 8 13° | 9 14° | 10 17° | 11  18° | 12 18° | 13  18° | 14 17° |
| 15 18° | 16 18° | 17 19° | 18 20° | 19 20° | 20 15° | 21 14° |
| 22 17° | 23 19° | 24 23° | 25 18° | 26 15° | 27 17° | 28 22° |
| 29 21° | 30 24° |
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Temperatures trend during September in Whitehorse
See the weather trend as well as the moving average line
September weather day by day
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| Date | Weather | Temperatures | Rain | UV | More |
|---|---|---|---|---|---|
| 1 Sept. | Patchy rain possible | 15° /8° | 0.8 mm | 5 | |
| 2 Sept. | Partly cloudy | 16° /5° | 2.7 mm | 6 | |
| 3 Sept. | Sunny | 18° /5° | 0 mm | 6 | |
| 4 Sept. | Light rain | 20° /7° | 8.6 mm | 6 | |
| 5 Sept. | Light rain shower | 17° /9° | 1.2 mm | 5 | |
| 6 Sept. | Partly cloudy | 21° /7° | 1.1 mm | 6 | |
| 7 Sept. | Patchy light drizzle | 20° /8° | 6.5 mm | 6 | |
| 8 Sept. | Light rain shower | 13° /6° | 4.9 mm | 4 | |
| 9 Sept. | Light rain shower | 14° /6° | 1 mm | 5 | |
| 10 Sept. | Patchy rain possible | 17° /6° | 0.4 mm | 5 | |
| 11 Sept. | Cloudy | 18° /7° | 5.9 mm | 5 | |
| 12 Sept. | Partly cloudy | 18° /6° | 0 mm | 6 | |
| 13 Sept. | Overcast | 18° /7° | 0 mm | 6 | |
| 14 Sept. | Partly cloudy | 17° /8° | 2.5 mm | 6 | |
| 15 Sept. | Partly cloudy | 18° /8° | 0.1 mm | 6 | |
| 16 Sept. | Sunny | 18° /7° | 0.4 mm | 6 | |
| 17 Sept. | Cloudy | 19° /8° | 0 mm | 6 | |
| 18 Sept. | Patchy rain possible | 20° /8° | 0.1 mm | 6 | |
| 19 Sept. | Patchy rain possible | 20° /9° | 2.4 mm | 6 | |
| 20 Sept. | Light rain shower | 15° /7° | 2.4 mm | 5 | |
| 21 Sept. | Patchy rain possible | 14° /7° | 1 mm | 4 | |
| 22 Sept. | Sunny | 17° /6° | 0.1 mm | 6 | |
| 23 Sept. | Overcast | 19° /6° | 0 mm | 5 | |
| 24 Sept. | Sunny | 23° /8° | 0 mm | 7 | |
| 25 Sept. | Patchy rain possible | 18° /8° | 6.6 mm | 5 | |
| 26 Sept. | Partly cloudy | 15° /5° | 0.2 mm | 5 | |
| 27 Sept. | Partly cloudy | 17° /4° | 0 mm | 6 | |
| 28 Sept. | Sunny | 22° /6° | 0 mm | 7 | |
| 29 Sept. | Sunny | 21° /7° | 1.5 mm | 7 | |
| 30 Sept. | Sunny | 24° /9° | 0 mm | 7 | |
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Important Notice
Our weather forecast for Whitehorse in September is based on the analysis of historical data rather than real-time forecast models. While this provides a general overview, weather conditions can change. We recommend that you check the Whitehorse forecast closer to your planned date for the most up-to-date weather information.
Whitehorse in September - FAQ
What are the expected maximum and minimum temperatures in Whitehorse during September?
Enjoy moderate daytime temperatures of up to 19° and cooler nights around 7°. Ideal for a range of outdoor activities, from hiking to city tours.
How much rainfall should be expected in Whitehorse during September?
In September, Whitehorse can expect light to moderate rainfall, totaling 47.9 mm across approximately 10 days. Occasional showers are possible, and planning ahead for them could be helpful.
What are the typical wind conditions in Whitehorse during September?
The average wind speed in Whitehorse during September is 15 km/h, suggesting breezy to windy conditions, depending on your activities.
September rainfall patterns in Whitehorse
Explore the daily rainfall trends and prepare for Whitehorses September weather 💧
UV exposure in Whitehorse during September
Stay informed about UV levels for safe outdoor activities throughout the month of September ☀️
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