Oshawa Weather in September

Oshawa in September sees high temperatures, with highs around 22°C (72°F) and overnight lows of 13°C (55°F). Rainfall is fairly high at around 87 mm (3.4 in) on average, so pack waterproofs just in case.

Rainfall in Oshawa in September

Typically, you can expect about 11 days of rain this month, with 87 mm (3.4 in) on average. 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 Oshawa in September

The temperature in Oshawa in September is perfect. Daytime highs reach 22°C (72°F), with nights dropping to 13°C (55°F). Overall, the month follows a fairly predictable daily temperature pattern. With lows of 13°C (55°F), nights are cool. If you're out after dark, an extra layer will keep you comfortable. The cooler air at night is also great for getting a good rest.

Sunshine in Oshawa in September

Expect sunny days throughout the month, with an estimated 195 hours of sunshine. This makes it a pleasant time to visit Oshawa.

If you're inclined towards comfortable temperatures and drier conditions, September is a good time to visit Oshawa.

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• January
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For a detailed overview over the year and the best time to visit Canada, check out our Oshawa's climate page.

Oshawa Temperature in September

Min Temperature 13°C (55°F)  

Max Temperature 22°C (72°F)  

Chance of Rain 37%  

Precipitation 87 mm (3.4 in)  

Rainy days 11 days  

Humidity 87% *  

Sunshine 195 hours *  

Percentage Sunshine 52% *  

* Data from: Toronto, Canada (51 KM, 31 Miles).

What to Wear in Oshawa in September

Comfortable temperatures call for an easy wardrobe in September. Pack summer basics like t-shirts and shorts, but include a light jacket for cooler moments. A pair of comfortable walking shoes is essential. Expect heavy rainfall, so bring good rain protection and waterproof bags. Don't forget sun protection, sunglasses, sunscreen, and a hat. These are all good ideas with this much sunshine.

What To Do in Oshawa in September

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

Swimming

6/10

Cycling

9/10

Walking

9/10

Camping

8/10

Outdoor sports

9/10

Select a Month

Check the conditions for any month of the year.

• January
• February
• March
• April

• May
• June
• July
• August

• September
• October
• November
• December

For a detailed overview over the year and the best time to visit Canada, check out our Oshawa's climate page.

More climate data for Oshawa

Temperature Rainfall Sunshine Humidity

See the full Oshawa climate overview or explore weather in Canada.