Last updated: June 18, 2025
In September, the average temperature in Saint-Bruno-de-Montarville, Canada hovers around 16°C (61°F). Expect a range that can dip as low as 0°C (33°F) and soar up to 31°C (89°F). During this month, you'll experience around 70 mm (2.8 in) of precipitation over approximately 9 days. With an average humidity of 78%, be prepared for a mix of weather conditions throughout your stay!
In September in Saint-Bruno-de-Montarville, the average temperature is 16°C (61°F). Maximum temperatures can reach 31°C (89°F), while minimums can drop as low as 0°C (33°F). Travelers should be prepared for a wide range of temperatures during their visit.
In Saint-Bruno-de-Montarville in September, the total precipitation amount is 70 mm (2.8 in) spread over 9 days.
In Saint-Bruno-de-Montarville in September, humidity is 78%. With an average temperature of 16°C (61°F), this humidity feels like a warm, sticky embrace, making travel somewhat uncomfortable as it clings to your skin and creates a heavy atmosphere that can drain your energy.
In Saint-Bruno-de-Montarville in September, the maximum UV index is 7, which corresponds to the high Exposure Category. This means that the time to burn is approximately 25 minutes. For more detailed information, you can check the Hourly UV Index in Saint-Bruno-de-Montarville.
UV Risk Categories
Weather in Saint-Bruno-de-Montarville varies notably across the year, with each month offering distinct climate conditions. This page compares September’s weather to other months in Saint-Bruno-de-Montarville, focusing on differences in temperature, rainfall, humidity, and UV levels.
| Temperature | Precipitation | Humidity | UV | |
|---|---|---|---|---|
| January Weather | -8°C (17°F) | 85 mm (3.4 inches) | 93% | low |
| February Weather | -7°C (20°F) | 81 mm (3.2 inches) | 92% | moderate |
| March Weather | -2°C (29°F) | 84 mm (3.3 inches) | 86% | moderate |
| April Weather | 6°C (43°F) | 119 mm (4.7 inches) | 85% | very high |
| May Weather | 14°C (57°F) | 98 mm (3.8 inches) | 80% | very high |
| June Weather | 19°C (66°F) | 105 mm (4.1 inches) | 74% | very high |
| July Weather | 22°C (72°F) | 103 mm (4.1 inches) | 76% | very high |
| August Weather | 21°C (70°F) | 113 mm (4.5 inches) | 75% | very high |
| September Weather | 16°C (61°F) | 70 mm (2.8 inches) | 78% | high |
| October Weather | 10°C (50°F) | 141 mm (5.5 inches) | 86% | moderate |
| November Weather | 1°C (35°F) | 117 mm (4.6 inches) | 88% | moderate |
| December Weather | -5°C (24°F) | 87 mm (3.4 inches) | 89% | low |