North York weather in September
Long-run climate averages for North York, Ontario in September, plus what the forecast models say for the days ahead.
In September, North York averages 21°C by day and 12°C at night. The wettest month is usually August.
September in North York averages a daytime high of 21°C and an overnight low of 12°C, which reads as mild for this part of the world. Across the whole year North York sees roughly 902 mm of precipitation.
Climate averages tell you what to pack. They do not tell you what next Tuesday looks like - for that, see the live North York forecast with every model compared and how much they currently agree.
North York weather by month
what to expect in North York through the year, 1991-2020 averagesHere is North York's typical weather in each month: the average daytime high and overnight low in °C, how each month feels, and the wettest month marked. Use it to plan any trip to North York by season.
Bottom line: over the last 30 days the European model has been the most accurate forecast for North York, scoring 91/100 on our CheckWeather Score, ahead of the Env. Canada at 86. See the full CA accuracy scoreboard for exactly how every model is tested.
Common questions
How warm is North York in September?
Is September a good time to visit North York?
Does it rain a lot in North York in September?
Climate averages from ERA5 reanalysis. Model accuracy re-scored over a rolling 30 days. Page updated .