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.

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• January
• February
• March
• April

• May
• June
• July
• August

• September
• October
• November
• December

For a detailed overview over the year and the best time to visit Canada, check out our Waterton Lakes National Park's climate page.

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  

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.

Cycling

6/10

Walking

6/10

Camping

4/10

Outdoor sports

10/10

Select a Month

Check the conditions for any month of the year.

• January
• February
• March
• April

• May
• June
• July
• August

• September
• October
• November
• December

For a detailed overview over the year and the best time to visit Canada, check out our Waterton Lakes National Park's climate page.

More climate data for Waterton Lakes National Park

Temperature Rainfall

See the full Waterton Lakes National Park climate overview or explore weather in Canada.