Granby Weather in September

September in Granby brings pleasant temperatures, with highs of 21°C (70°F) and nights dropping to 10°C (50°F). Rainfall is on the higher side this month, averaging around 107 mm (4.2 in), so keep a rain jacket handy.

Rainfall in Granby in September

Climate statistics over the past 30 years suggest around 12 days of rain, with 107 mm (4.2 in) average for the month. The rain this month tends to fall in heavier spells rather than light drizzle. When it rains, showers can be significant.

Temperature in Granby in September

In September, Granby gets pleasant temperatures, with highs of 21°C (70°F). Nights cool to around 10°C (50°F). Even when the weather is stable, mornings and evenings can still feel distinctly cool. Nights fall to 10°C (50°F), which is cold enough to feel it indoors too. A good thick duvet makes all the difference for a comfortable night's sleep.

Sunshine in Granby in September

The area enjoys a moderate level of sunlight, with around 183 hours. It's a good balance between sunny and cloudy days.

If your ideal day consists of dry skies and pleasant temperatures, May, June, July, August and September typically offer the best circumstances for Granby.

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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 Granby's climate page.

Granby Temperature in September

Min Temperature 10°C (50°F)  

Max Temperature 21°C (70°F)  

Chance of Rain 41%  

Precipitation 107 mm (4.2 in)  

Rainy days 12 days  

Humidity 60% *  

Sunshine 183 hours *  

Percentage Sunshine 49% *  

* Data from: Montréal, Canada (66 KM, 41 Miles).

What to Wear in Granby in September

Pleasant temperatures in September mean you can pack light but flexibel pieces. Think cotton t-shirts, comfortable walking shorts, and one warmer layer for evenings. A light sweater or denim jacket works well. Prepare for significant rainfall with proper waterproof clothing and shoes. Bring sunglasses since you'll have some sunny periods throughout the month

What To Do in Granby 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

3/10

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 Granby's climate page.

More climate data for Granby

Temperature Rainfall Sunshine Humidity

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