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Canada weather

Weather in Lake Louise for September 2026

Your guide to Lake Louise weather in September - trends and predictions

    Snow Forecast ❄️

  • Snowfall in Lake Louise during September is quite rare, with fewer than 2 snowy days on average.

    • Temperatures

  • In general, the average temperature in Lake Louise at the beginning of September is 20 °C. As the month progressed, temperatures tended to significantly cool down, reaching an average of 8.9 °C by the end of September.

    • Rain 🌧️

  • Lake Louise experiences moderate rainfall in September, with an average of 6 rainy days and a total precipitation of 69.2 mm.

    • More

  • New! Chat with our AI weatherman - it’s amazing and free.

Average dry days
23
Dry days
Average rainy days
6
Rainy days
Average snowy days
1
Snow days
Average temperatures
14°/3°
Temperatures
Average wind speed
10 km/h
Avg max wind
Average humidity
69 %
Avg humidity

Lake Louise Weather September

Move between months or click on a day
August
October
Mon.Tue.Wed.Thu.Fri.Sat.Sun.
1
Sunny
22°
2
Patchy light rain with thunder
22°
3
Patchy rain possible
19°
4
Patchy rain possible
16°
5
Sunny
19°
6
Partly cloudy
21°
7
Sunny
21°
8
Sunny
18°
9
Sunny
17°
10
Patchy light rain with thunder
13°
11
Patchy light rain with thunder
15°
12
Light rain
14°
13
Patchy rain possible
15°
14
Light rain shower
11°
15
Thundery outbreaks possible
12°
16
Sunny
15°
17
Thundery outbreaks possible
17°
18
Partly cloudy
15°
19
Mist
13°
20
Light freezing rain
10°
21
Partly cloudy
8°
22
Moderate or heavy rain with thunder
10°
23
Overcast
10°
24
Fog
14°
25
Thundery outbreaks possible
13°
26
Overcast
5°
27
Heavy snow
5°
28
Mist
12°
29
Thundery outbreaks possible
8°
30
Overcast
5°

Temperatures trend during September in Lake Louise

See the weather trend as well as the moving average line

September weather in Lake Louise day by day

Click on a date for more information
August October
Date Weather Temperatures Rain Snow More
1 Sept. Sunny
Sunny
 22° /7° 0 mm 0 cm
2 Sept. Patchy light rain with thunder
Patchy light rain with thunder
 22° /8° 2.5 mm 0 cm
3 Sept. Patchy rain possible
Patchy rain possible
 19° /6° 0 mm 0 cm
4 Sept. Patchy rain possible
Patchy rain possible
 16° /5° 0.1 mm 0 cm
5 Sept. Sunny
Sunny
 19° /3° 0 mm 0 cm
6 Sept. Partly cloudy
Partly cloudy
 21° /6° 0 mm 0 cm
7 Sept. Sunny
Sunny
 21° /7° 0 mm 0 cm
8 Sept. Sunny
Sunny
 18° /7° 0.2 mm 0 cm
9 Sept. Sunny
Sunny
 17° /4° 0.1 mm 0 cm
10 Sept. Patchy light rain with thunder
Patchy light rain with thunder
 13° /4° 2.1 mm 0 cm
11 Sept. Patchy light rain with thunder
Patchy light rain with thunder
 15° /4° 5.1 mm 0 cm
12 Sept. Light rain
Light rain
 14° /5° 3.4 mm 0 cm
13 Sept. Patchy rain possible
Patchy rain possible
 15° /3° 0.3 mm 0 cm
14 Sept. Light rain shower
Light rain shower
 11° /4° 4.5 mm 0 cm
15 Sept. Thundery outbreaks possible
Thundery outbreaks possible
 12° /2° 9.8 mm 0 cm
16 Sept. Sunny
Sunny
 15° /2° 0 mm 0 cm
17 Sept. Thundery outbreaks possible
Thundery outbreaks possible
 17° /3° 0 mm 0 cm
18 Sept. Partly cloudy
Partly cloudy
 15° /4° 0 mm 0 cm
19 Sept. Mist
Mist
 13° /4° 1 mm 0 cm
20 Sept. Light freezing rain
Light freezing rain
 10° /1° 2.7 mm 0 cm
21 Sept. Partly cloudy
Partly cloudy
 8° /-1° 0 mm 0 cm
22 Sept. Moderate or heavy rain with thunder
Moderate or heavy rain with thunder
 10° /-1° 3.6 mm 0 cm
23 Sept. Overcast
Overcast
 10° /0° 1 mm 0 cm
24 Sept. Fog
Fog
 14° /3° 0 mm 0 cm
25 Sept. Thundery outbreaks possible
Thundery outbreaks possible
 13° /3° 14.6 mm 0 cm
26 Sept. Overcast
Overcast
 5° /-2° 5.3 mm 3.1 cm
27 Sept. Heavy snow
Heavy snow
 5° /-2° 12.8 mm 4.9 cm
28 Sept. Mist
Mist
 12° /-2° 0 mm 0 cm
29 Sept. Thundery outbreaks possible
Thundery outbreaks possible
 8° /-1° 0 mm 0 cm
30 Sept. Overcast
Overcast
 5° /-2° 0 mm 0 cm
Next
Important Notice
Our weather forecast for Lake Louise 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 Lake Louise forecast closer to your planned date for the most up-to-date weather information.
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Lake Louise in September - FAQ

What are the expected maximum and minimum temperatures in Lake Louise during September?
Prepare for cooler days with highs just around 14° and colder nights, dipping below 3°.

How much rainfall should be expected in Lake Louise during September?
Moderate rainfall is anticipated in Lake Louise during September, with a total of 69.2 mm spread over approximately 6 days. Considering plans for rainy days is advisable.

Will it snow in Lake Louise in September 2026?
Lake Louise typically sees 8 cm of snowfall during September.

What are the typical wind conditions in Lake Louise during September?
The average wind speed in Lake Louise during September is 10 km/h, suggesting breezy to windy conditions, depending on your activities.

Lake Louise snow forecast September 2026

Track daily snowfall levels and discover Lake Louise’s snowy potential this September ❄️
On average, Lake Louise sees 1 snowy days during September, with approximately 8 cm of total snowfall.

September rainfall patterns in Lake Louise

Explore the daily rainfall trends and prepare for Lake Louises September weather 💧
Typically, Lake Louise has 6 rainy days in September with a total of 69.2 mm of rainfall.

UV exposure in Lake Louise during September

Stay informed about UV levels for safe outdoor activities throughout the month of September ☀️

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Location coordinates Where is Lake Louise?

Get accurate weather forecasts for Lake Louise, located at latitude 51.425 and longitude -116.179. Stay updated with localized weather information tailored for Lake Louise.

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