Ottawa weather in September (Kansas, United States of America)

Is Ottawa a good destination in September, weather-wise? Find out what kind of weather to expect during this month.

Temperatures

Typically, September in Ottawa includes high temperatures and high rainfall. Daytime temperatures generally settle around 27°C, while nighttime can see a dip to about 14°C.

Precipitation

Ottawa in September usually receives high rainfall, averaging around 113 mm for the month. Rain is expected on roughly 9 days.

Average sunshine

Expect a lot of sunshine this month, with about 233 hours of sunny weather. The abundant sunlight creates a lively and bright atmosphere.

Should you favor a climate that's both dry and comfortably warm October typically offers the most agreeable circumstances. On the other hand, January, February and December tend to be characterized by conditions that may not be as optimal.

For an in-depth look at the yearly conditions, visit our specialized Ottawa climate page with graphs.

 

Ottawa, monthly averages in September

Min Temperature 14°C  

Max Temperature 27°C  

Chance of Rain 30%  

Precipitation 113 mm  

Rainy days 9 days  

Humidity 72% *  

Sunshine 233 hours *  

Percentage Sunshine 63% *  

* Data from: Topeka, the United States of America (59 KM, 37 Miles).

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.

Weather conditions Weather

Temperatures

Precipitation

Map not visible? Whoops sorry! Please refresh the page.

Legend perfect weather pleasant tolerable unpleasant poor

Perfect weather is subjective. On this map perfect weather has been defined with temperatures between 20°C and 29°C and not too much precipitation (less than 90 mm a month).

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. However, there's a good chance of rain, so bring a raincoat just in case.

What To Do

We rated the following activities from 1 (least suitable) to 10 (best) to do.

Swimming

9/10

Cycling

7/10

Walking

7/10

Camping

6/10

Outdoor sports

7/10

Interested in more climate information?

This site provides you with all the information you need about the climate in Ottawa.

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.