Ottawa Weather September
Ottawa is located in humid continental climate zone that is known for significant seasonal temperature variations warm or even hot summer and cold winter with roughly similar amounts of rainfall.
To help you choose the best time to travel, you can find climate data below on the weather in Ottawa in September.
|average daily high||+20.5°C|
|average daily low||+10.1°C|
|sunny / overcast hours||5.9 / 7.1|
|average monthly precipitation||93 mm|
Temperature in Ottawa
In September the average daily maximum in Ottawa is +20.5°C, and the minimum +10.1°C.
The hottest September day on record is +36.7°C, and the coldest -4.4°C.
Best beach resorts in September:
There are 13 hours of daylight in Ottawa in September. Out of these, on average 5.9 are sunny, which means it is mostly cloudy.
The amount of precipitation in Ottawa in September is usually 93 mm, which may cause a change of plans on certain days.