Lake Louise vs Ottawa in September

Ottawa is the better pick in September — 89 vs 32 on SeasonMap's comfort score. Ottawa is nice, a little rain, clean air, while Lake Louise is cool, a little rain, clean air.

Lake Louise vs OttawaSeptember climate, side by side

Lake LouiseOttawa
Comfort score32/100 (F)89/100 (A)
Feels-like high13°C22°C
Avg high / low15° / 3°22° / 11°
Rainfall57 mm66 mm
Rainy days127
Humidity72%75%
Air quality (AQI)3739

Monthly climate normals (ERA5 reanalysis). Comfort scores are SeasonMap estimates.

Lake Louise vs Ottawa in September — FAQ

Is September better in Lake Louise or Ottawa?
Ottawa is the better pick in September — 89 vs 32 on SeasonMap's comfort score. Ottawa is nice, a little rain, clean air, while Lake Louise is cool, a little rain, clean air.
What is the weather like in Lake Louise vs Ottawa in September?
In September, Lake Louise averages 15°C high / 3°C low with about 57 mm of rain; Ottawa averages 22°C high / 11°C low with about 66 mm.