The 5 most beautiful lakes in Canada
Explore Canada's stunning lakes: Lake Louise, Lake Superior, Maligne Lake, Emerald Lake, and Lake Okanagan, each offering unique beauty and activities.
Lake Louise Weather in September
Lake Louise in September sees low temperatures, with highs around 11°C (52°F) and overnight lows of -1°C (30°F). Snow/rainfall is fairly high at around 68 mm (2.7 in) on average, so pack waterproofs just in case.
Rainfall in Lake Louise in September
Based on our climate data of the past 30 years, about 13 days of snow/rain are anticipated, with 68 mm (2.7 in) on average. A fairly balanced picture this month, some wet days but nothing too extreme in terms of intensity.
Temperature in Lake Louise in September
Temperatures in Lake Louise in September top out at 11°C (52°F) and drop to -1°C (30°F) overnight. Cold conditions persist throughout the day, so warm clothing is important from the moment you head outside. Nights drop below freezing to -1°C (30°F). An extra blanket is worth packing if you're unsure about the heating where you're staying.
Sunshine in Lake Louise in September
You can expect a moderate amount of sunlight, with approximately 172 hours. This means a pleasant mix of sun and overcast.If you prefer dry days with pleasant temperatures, July and August typically offer the best circumstances. If you're seeking pleasant, dry and sunny weather somewhere else in the world, our weather planner can help you explore other options.
Lake Louise Temperature in September
Min Temperature
-1°C (30°F)
Max Temperature
11°C (52°F)
Chance of Rain
42%
Precipitation
68 mm (2.7 in)
Rainy days
13 days
Humidity
43% *
Sunshine
172 hours *
Percentage Sunshine
*
* Data from: Banff, Canada (50 KM, 31 Miles).
Lake Louise Weather by Month
Pick a month to see the average temperature, rainfall and sunshine in Lake Louise - and find the best time to visit.
Daily Historical Temperatures
50-year average (1976-2025)
Based on our historical records, temperatures in Lake Louise typically drop from around 18°C (64°F) at the start of September to approximately 13°C (55°F) by the end. Nights are cold, with lows typically ranging from 1°C (34°F) to 5°C (41°F).
Average temperatures in September
Daily Historical Precipitation
50-year average (1976-2025)
Average daily rainfall for each day of the month based on long-term records.
Average precipitation in September
Historical weather records for Lake Louise in September
Browse day-by-day weather records for Lake Louise spanning 51 years. Select any month and year to see actual temperatures, rainfall, and conditions recorded on each day.
Lake Louise historical weather extremes in September
Based on 50 years of weather observations in Lake Louise between 1976 and 2026, these are the recorded extremes.
- Lake Louise recorded its highest September temperature of 31°C (88°F) on September 3, 2022.
- Lake Louise experienced its chilliest September day on September 29, 2019, reaching only -1°C (30°F).
- The coldest night in September in Lake Louise was on September 28, 1985, with a minimum of -10°C (14°F).
Best Places in Canada in September
Find out more about the weather in Canada and which places have the best travel conditions in this month. See all of Canada in September →
perfect weather
pleasant
tolerable
unpleasant
poor
Perfect weather is subjective. On this map perfect weather has been defined with temperatures between 20°C (68°F) and 29°C (84°F) and not too much precipitation (less than 90 mm (3.5 in) a month).
What to Wear in Lake Louise in September
The weather can be unpredictable in September, so pack clothes you can easily mix and match. You could bring jeans, other long pants, and a few t-shirts. A light jacket or light sweater will be pleasant for the cooler moments. Rain is likely on several days, so bring a good rain jacket. Bring sunglasses since you'll have some sunny periods throughout the month
What To Do in Lake Louise in September
We rated the following activities from 1 (least suitable) to 10 (best) to do.
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Swimming5/10 -
Cycling6/10 -
Walking6/10 -
Camping1/10 -
Outdoor sports6/10
Lake Louise 3-Day Forecast
More climate data for Lake Louise
Temperature Rainfall Sunshine Humidity
See the full Lake Louise climate overview or explore weather in Canada.
Popular in September
Where to go in September - average daytime high across popular destinations.
Toronto
22°C (72°F) Niagara Falls23°C (73°F) Montréal
22°C (72°F) Ottawa22°C (72°F) Quebec City
20°C (68°F) Vancouver19°C (66°F) Calgary19°C (66°F) Whistler15°C (59°F) Bucket list
Need travel inspiration? Check out our bucket list articles and be inspired.
The 5 most beautiful lakes in Canada
Canada in September: Where Is the Best Weather?
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