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Waterton Lakes National Park Weather in September
September in Waterton Lakes National Park averages 17°C (63°F) during the day and 4°C (39°F) at night. Around 59 mm (2.3 in) of rainfall is typical for this time of year.
Rainfall in Waterton Lakes National Park in September
Typically, about 9 days will experience rainfall, with an average of 59 mm (2.3 in) for the month. The rainfall pattern this month is fairly balanced. Showers tend to be moderate rather than extreme.
Temperature in Waterton Lakes National Park in September
In September, Waterton Lakes National Park gets moderate temperatures, with highs of 17°C (63°F). Nights cool to around 4°C (39°F). The difference between afternoon and evening temperatures is usually noticeable. At 4°C (39°F) overnight, it gets properly cold after dark. On the bright side, cold nights tend to make for excellent sleeping conditions.If your ideal day consists of dry skies and pleasant temperatures, July and August typically offer the best circumstances for Waterton Lakes National Park.
Waterton Lakes National Park Temperature in September
Min Temperature
4°C (39°F)
Max Temperature
17°C (63°F)
Chance of Rain
30%
Precipitation
59 mm (2.3 in)
Rainy days
9 days
Waterton Lakes National Park Weather by Month
Pick a month to see the average temperature, rainfall and sunshine in Waterton Lakes National Park - and find the best time to visit.
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 Waterton Lakes National Park in September
Pleasant temperatures in September mean you can pack light but flexibel pieces. Think cotton t-shirts, comfortable walking shorts, and one warmer layer for evenings. A light sweater or denim jacket works well. Rain gear is recommended, you can expect wet weather on multiple days.
What To Do in Waterton Lakes National Park in September
We rated the following activities from 1 (least suitable) to 10 (best) to do.
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Cycling6/10 -
Walking6/10 -
Camping4/10 -
Outdoor sports10/10
Waterton Lakes National Park 3-Day Forecast
More climate data for Waterton Lakes National Park
See the full Waterton Lakes National Park 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
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