Grimsby weather in September (Ontario, Canada)

Thinking of visiting Grimsby in September? Check the weather first! See what weather conditions to anticipate this month with our guide.

Temperatures

The weather in Grimsby is usually perfect in September, characterized by high temperatures and moderate rainfall. Daytime temperatures are expected to be around 23°C, cooling off to about 15°C at night.

Precipitation

Grimsby in September usually receives moderate rainfall, averaging around 85 mm for the month. Records from the past 30 years suggest that around 11 days will experience rain.

Average sunshine

The area enjoys a moderate level of sunlight, with around 178 hours. It's a good balance between sunny and cloudy days.

So this is a great month to visit if you prefer dry days with pleasant temperatures. June, July, August and September typically offer the most optimal weather. In contrast, January, February, March, April, November and December tend to have less optimal conditions.

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

 

Grimsby, monthly averages in September

Min Temperature 15°C  

Max Temperature 23°C  

Chance of Rain 35%  

Precipitation 85 mm  

Rainy days 11 days  

Sunshine 178 hours *  

Percentage Sunshine 48% *  

Data from: Hamilton, Canada (26 KM, 16 Miles).

Where to go in Canada in September

Find out more about the weather in Canada and which places have the best travel conditions in this month.

Weather conditions Weather

Temperatures

Precipitation

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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?

For visitors traveling to Grimsby, we recommend wearing layers. So maybe a skirt, t-shirt, shorts for during the day and jeans and a warm jacket for some days and evenings. Bring a rain jacket in case it rains during your stay. Plan on layering your clothes.

What To Do

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

Interested in more climate information?

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

Our site offers climate and forecast data for every country in the world. Are you going to Canada? On this website you can find historical weather averages for many cities in Canada. 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.