Ottawa just barely broke a weather record for Sept. 24 on Sunday with a scorching high of 31.8 C and a humidex of 39 C.
The previous record high was 31.7 C set in 1872, according to weather historian Rolf Campbell, as a heat warning for hte region remains in effect.
Sunday also appeared to be the hottest fall day Ottawa has ever seen.
Here’s how residents spent the unusually warm autumn day.
Twitter user @snazel got creative and built this makeshift air conditioner to keep cool.