Waterloo Weather in September
Waterloo in September sees pleasant temperatures, with highs around 21°C (70°F) and overnight lows of 10°C (50°F). Rainfall is fairly high at around 114 mm (4.5 in) on average, so pack waterproofs just in case.
Rainfall in Waterloo in September
Historically, the month has about 13 days of rain, averaging 114 mm (4.5 in) in total. When it rains this month, it tends to come down fairly heavily. Showers can be substantial even if they don't last all day.
Temperature in Waterloo in September
In September, Waterloo sees pleasant temperatures, with highs of 21°C (70°F). Nights drop to around 10°C (50°F). Even when the weather is stable, mornings and evenings can still feel distinctly cool. At 10°C (50°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, June, July, August and September typically offer the best circumstances for Waterloo.
Check the conditions for any month of the year.
For a detailed overview over the year and the best time to visit Canada, check out our Waterloo's climate page.
Waterloo Temperature in September
Min Temperature
10°C (50°F)
Max Temperature
21°C (70°F)
Chance of Rain
42%
Precipitation
114 mm (4.5 in)
Rainy days
13 days
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
What to Wear in Waterloo 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. Prepare for significant rainfall with proper waterproof clothing and shoes.What To Do in Waterloo in September
We rated the following activities from 1 (least suitable) to 10 (best) to do.
Check the conditions for any month of the year.
For a detailed overview over the year and the best time to visit Canada, check out our Waterloo's climate page.
See the full Waterloo climate overview or explore weather in Canada.
