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.