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Explore Canada's stunning lakes: Lake Louise, Lake Superior, Maligne Lake, Emerald Lake, and Lake Okanagan, each offering unique beauty and activities.
Edmonton Weather in September
During September, Edmonton experiences pleasant daytime temperatures of 18°C (64°F) and cooler nights around 5°C (41°F). Some rainfall is typical during this period.
Rainfall in Edmonton in September
Typically, about 10 days will experience rainfall, with an average of 42 mm (1.7 in) for the month. A fairly balanced picture this month, some wet days but nothing too extreme in terms of intensity.
Temperature in Edmonton in September
Daytime temperatures in Edmonton reach 18°C (64°F) in September, dropping to 5°C (41°F) at night. The difference between afternoon and evening temperatures is usually noticeable. Nights fall to 5°C (41°F), which is cold enough to feel it indoors too. A good thick duvet makes all the difference for a comfortable night's sleep.
Sunshine in Edmonton in September
The days are predominantly sunny, with an estimated total of around 192 hours of sunshine. These sun-filled days are perfect for playing sports, visiting parks, or going for a bike ride.Our weather planner can help you find worldwide destinations with pleasant weather during this period. June, July and August typically offer the best weather for Edmonton.
Edmonton Temperature in September
Min Temperature
5°C (41°F)
Max Temperature
18°C (64°F)
Chance of Rain
34%
Precipitation
42 mm (1.7 in)
Rainy days
10 days
Humidity
50%
Sunshine
192 hours
Percentage Sunshine
50%
Edmonton Weather by Month
Pick a month to see the average temperature, rainfall and sunshine in Edmonton - and find the best time to visit.
Daily Historical Temperatures
50-year average (1976-2025)
Based on our historical records, temperatures in Edmonton typically drop from around 19°C (66°F) at the start of September to approximately 15°C (59°F) by the end. Nights are cold, with lows typically ranging from 3°C (37°F) to 9°C (48°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 Edmonton in September
Browse day-by-day weather records for Edmonton spanning 51 years. Select any month and year to see actual temperatures, rainfall, and conditions recorded on each day.
Edmonton historical weather extremes in September
Based on weather observations in Edmonton between 1976 and 2026, these are the recorded extremes during September.
- Edmonton recorded its highest September temperature of 34°C (93°F) on September 3, 2022.
- Edmonton registered its coldest September night on September 28, 1983, with temperatures dropping to -7°C (19°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 Edmonton in September
For Edmonton in September, you'll want flexible clothing. It's wise to pack cotton shirts, comfortable shorts, and a pair of jeans for cooler evenings. A light sweater or jacket is useful for air-conditioned spaces (like buses) or unexpected cool moments. Rain is likely on several days, so bring a good rain jacket. And with plenty of sunshine hours, don’t forget sunglasses, sunscreen, and maybe a sun hat.
What To Do in Edmonton in September
We rated the following activities from 1 (least suitable) to 10 (best) to do.
-
Swimming6/10 -
Cycling10/10 -
Walking10/10 -
Barbeque7/10 -
Camping5/10 -
Outdoor sports10/10
Edmonton 3-Day Forecast
More climate data for Edmonton
Temperature Rainfall Sunshine Humidity
See the full Edmonton 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.
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Canada in September: Where Is the Best Weather?
Compare September weather in Toronto, Montreal, Vancouver, Quebec City and Osoyoos to find Canada's warmest, driest and sunniest destinations.
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See Polar Bears in Churchill Canada
Thousands of bears gather at the small town of Churchill. In the evening the northern lights give a light show against the dark evening sky. An unforgettable experience.