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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.
    According to Lake Louise snow forecast for September 2026, 4 snowy days are expected until the end of the month. The closest date with snow is Saturday, 26 September.

    • Temperatures

  • Until now, September 2026 in Lake Louise is cooler than usual, with temperatures averaging 11.8 °C, this is 2.5 °C below the typical seasonal average.

  • The forecast for the coming days of September 2026 predicts a temperature of 6.6 °C , which is warmer than usual.

  • In general, the average temperature in Lake Louise at the beginning of September is 17.7 °C. As the month progressed, temperatures tended to significantly cool down, reaching an average of 6.7 °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
Sun.Mon.Tue.Wed.Thu.Fri.Sat.
1
Sunny
20°
2
Patchy light rain with thunder
21°
3
Patchy rain possible
16°
4
Patchy rain possible
14°
5
Sunny
16°
6
Partly cloudy
19°
7
Sunny
18°
8
Sunny
16°
9
Sunny
16°
10
Patchy light rain with thunder
11°
11
Patchy light rain with thunder
12°
12
Light rain
13°
13
Patchy rain possible
14°
14
Light rain shower
10°
15
Thundery outbreaks possible
10°
16
Sunny
14°
17
Thundery outbreaks possible
16°
18
Partly cloudy
15°
19
Mist
14°
20
Light freezing rain
12°
21
Partly cloudy
11°
22
Moderate or heavy rain with thunder
11°
23
Overcast
11°
24
Fog
13°
25
Thundery outbreaks possible
13°
26
Moderate or heavy snow showers
4°
27
Sunny
6°
28
Overcast
7°
29
Moderate or heavy snow showers
1°
30
Light snow showers
3°

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
 20° /6° 0 mm 0 cm
2 Sept. Patchy light rain with thunder
Patchy light rain with thunder
 21° /7° 1.7 mm 0 cm
3 Sept. Patchy rain possible
Patchy rain possible
 16° /5° 1.6 mm 0 cm
4 Sept. Patchy rain possible
Patchy rain possible
 14° /4° 1.9 mm 0 cm
5 Sept. Sunny
Sunny
 16° /3° 0.8 mm 0 cm
6 Sept. Partly cloudy
Partly cloudy
 19° /4° 0.1 mm 0 cm
7 Sept. Sunny
Sunny
 18° /6° 0.3 mm 0 cm
8 Sept. Sunny
Sunny
 16° /5° 0.5 mm 0 cm
9 Sept. Sunny
Sunny
 16° /3° 0 mm 0 cm
10 Sept. Patchy light rain with thunder
Patchy light rain with thunder
 11° /3° 5.5 mm 0 cm
11 Sept. Patchy light rain with thunder
Patchy light rain with thunder
 12° /2° 4.5 mm 0 cm
12 Sept. Light rain
Light rain
 13° /3° 2.3 mm 0 cm
13 Sept. Patchy rain possible
Patchy rain possible
 14° /1° 0.5 mm 0 cm
14 Sept. Light rain shower
Light rain shower
 10° /3° 5.6 mm 0 cm
15 Sept. Thundery outbreaks possible
Thundery outbreaks possible
 10° /1° 8.1 mm 0 cm
16 Sept. Sunny
Sunny
 14° /1° 0 mm 0 cm
17 Sept. Thundery outbreaks possible
Thundery outbreaks possible
 16° /2° 0 mm 0 cm
18 Sept. Partly cloudy
Partly cloudy
 15° /3° 0 mm 0 cm
19 Sept. Mist
Mist
 14° /3° 0.7 mm 0 cm
20 Sept. Light freezing rain
Light freezing rain
 12° /1° 1.8 mm 0 cm
21 Sept. Partly cloudy
Partly cloudy
 11° /0° 0 mm 0 cm
22 Sept. Moderate or heavy rain with thunder
Moderate or heavy rain with thunder
 11° /1° 2.4 mm 0 cm
23 Sept. Overcast
Overcast
 11° /1° 0.6 mm 0 cm
24 Sept. Fog
Fog
 13° /2° 0 mm 0 cm
25 Sept. Thundery outbreaks possible
Thundery outbreaks possible
 13° /2° 11.5 mm 0 cm
26 Sept. Moderate or heavy snow showers
Moderate or heavy snow showers
 4° /-2° 4.2 mm 0.8 cm
27 Sept. Sunny
Sunny
 6° /-3° 0 mm 0 cm
28 Sept. Overcast
Overcast
 7° /-2° 0 mm 0 cm
29 Sept. Moderate or heavy snow showers
Moderate or heavy snow showers
 1° /-2° 6.3 mm 4.1 cm
30 Sept. Light snow showers
Light snow showers
 3° /-1° 2.4 mm 0.7 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.
Change Month
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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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