Last updated: June 18, 2025
In L'Ile-Perrot, Canada, the average temperature in September reaches a pleasant 16°C (62°F). However, be prepared for temperature fluctuations, as it can dip to a chilly 2°C (36°F) at night, and soar up to a warm 30°C (87°F) during the day. Additionally, expect an average precipitation of 76 mm (3.0 in) over 9 days, with humidity lingering at around 78%.
In September in L'Ile-Perrot, the average temperature is 16°C (62°F). The maximum can reach 30°C (87°F), and the minimum can be as low as 2°C (36°F). This weather makes L'Ile-Perrot an ideal destination for travelers seeking a comfortable climate with a mix of warm and cool days.
In L'Ile-Perrot in September, the precipitation amount is 76 mm (3.0 in) spread over a period of 9 days.
In L'Ile-Perrot in September, humidity is 78%. With an average temperature of 16°C (62°F), this humidity feels like a warm blanket wrapping around you, making outdoor activities enjoyable yet slightly sticky. Travelers may find the weather pleasantly mild, though they'll appreciate having light, breathable clothing on hand to stay comfortable while exploring.
In L'Ile-Perrot 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 L'Ile-Perrot.
UV Risk Categories
Weather in L'Ile-Perrot varies notably across the year, with each month offering distinct climate conditions. This page compares September’s weather to other months in L'Ile-Perrot, focusing on differences in temperature, rainfall, humidity, and UV levels.
| Temperature | Precipitation | Humidity | UV | |
|---|---|---|---|---|
| January Weather | -8°C (17°F) | 86 mm (3.4 inches) | 93% | low |
| February Weather | -7°C (20°F) | 88 mm (3.5 inches) | 92% | moderate |
| March Weather | -2°C (28°F) | 88 mm (3.4 inches) | 86% | moderate |
| April Weather | 5°C (42°F) | 119 mm (4.7 inches) | 85% | high |
| May Weather | 13°C (56°F) | 101 mm (4.0 inches) | 80% | very high |
| June Weather | 19°C (66°F) | 102 mm (4.0 inches) | 74% | very high |
| July Weather | 22°C (72°F) | 98 mm (3.9 inches) | 76% | very high |
| August Weather | 21°C (70°F) | 101 mm (4.0 inches) | 75% | very high |
| September Weather | 16°C (62°F) | 76 mm (3.0 inches) | 78% | high |
| October Weather | 10°C (50°F) | 133 mm (5.2 inches) | 86% | moderate |
| November Weather | 2°C (35°F) | 113 mm (4.5 inches) | 88% | moderate |
| December Weather | -5°C (24°F) | 90 mm (3.5 inches) | 89% | low |