Ontario weather in September (Oregon, United States of America)
What does the weather outlook for Ontario look like in September? Want to know if this month is ideal for visiting? Our guide provides detailed weather information.
Temperatures
The weather in Ontario during September is typically perfect, with high temperatures and low rainfall. Daytime temperatures are expected to be around 28°C, cooling off to about 9°C at night.
Precipitation
Ontario in September usually receives low rainfall, averaging around 12 mm for the month. This month experiences about 4 days of rain according to historical data.If you're a fan of comfortable temperatures and drier conditions, September is a great time to visit. April, May, June, August, September and October generally stand out with the best circumstances. While January and December tend to showcase less optimal conditions.
For an in-depth look at the yearly conditions, visit our specialized Ontario climate page with graphs.
Ontario, monthly averages in September
Min Temperature
9°C
Max Temperature
28°C
Chance of Rain
13%
Precipitation
12 mm
Rainy days
4 days
Where to go in the United States of America in September
Find out more about the weather in the United States of America and which places have the best travel conditions in this month.
perfect weather
pleasant
tolerable
unpleasant
poor
So, what should you wear in this month?
It's going to be warm! Consider airy clothing, t-shirts, and other summer clothes. Shorts for men made of cotton or linen are good options for staying cool.What To Do
We rated the following activities from 1 (least suitable) to 10 (best) to do.
Interested in more climate information?
This site provides you with all the information you need about the climate in Ontario.
Our site offers climate and forecast data for every country in the world. Are you going to the United States of America? On this website you can find historical weather averages for many cities in the United States of America. Not sure yet where to go? We now have a tool which recommends destinations that suit your ideal travel conditions. Find out where to go with our weather planner.
