Last updated: June 18, 2025
In Notre-Dame-du-Lac, Canada, the average temperature in September hovers around 13°C (57°F), with a minimum dipping to 1°C (34°F) and a maximum rising to 30°C (86°F). Expect around 117 mm (4.6 in) of precipitation over 12 days, coupled with an average humidity of 76%. This combination makes for a unique climate that is both refreshing and occasionally wet.
In September in Notre-Dame-du-Lac, the average temperature is 13°C (57°F), with maximums reaching up to 30°C (86°F) and minimums dropping as low as 1°C (34°F). It's advisable to pack layers and be prepared for varying conditions during your travels.
In Notre-Dame-du-Lac in September, the total precipitation amount is 117 mm (4.6 in), occurring over a span of 12 days.
In Notre-Dame-du-Lac in September humidity is 76%. With an average temperature of 13°C (57°F), this humidity feels like a damp chill wrapping around you, making travel uncomfortable and prompting a constant need for a light jacket as you navigate through the misty atmosphere.
In Notre-Dame-du-Lac 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 Notre-Dame-du-Lac.
UV Risk Categories
Weather in Notre-Dame-du-Lac varies notably across the year, with each month offering distinct climate conditions. This page compares September’s weather to other months in Notre-Dame-du-Lac, focusing on differences in temperature, rainfall, humidity, and UV levels.
| Temperature | Precipitation | Humidity | UV | |
|---|---|---|---|---|
| January Weather | -11°C (12°F) | 50 mm (2.0 inches) | 96% | low |
| February Weather | -10°C (14°F) | 65 mm (2.6 inches) | 95% | moderate |
| March Weather | -5°C (23°F) | 59 mm (2.3 inches) | 89% | moderate |
| April Weather | 2°C (36°F) | 95 mm (3.7 inches) | 85% | high |
| May Weather | 10°C (50°F) | 102 mm (4.0 inches) | 74% | very high |
| June Weather | 15°C (60°F) | 100 mm (4.0 inches) | 67% | very high |
| July Weather | 19°C (67°F) | 93 mm (3.7 inches) | 71% | very high |
| August Weather | 18°C (65°F) | 111 mm (4.4 inches) | 71% | very high |
| September Weather | 13°C (57°F) | 117 mm (4.6 inches) | 76% | high |
| October Weather | 7°C (46°F) | 119 mm (4.7 inches) | 86% | moderate |
| November Weather | -1°C (31°F) | 92 mm (3.6 inches) | 90% | moderate |
| December Weather | -7°C (19°F) | 80 mm (3.1 inches) | 94% | low |