Last updated: June 18, 2025
In September, the average temperature in Sainte-Julienne, Canada hovers around 15°C (59°F). While you might experience cool evenings with a minimum temperature dipping to -1°C (30°F), it's also possible to enjoy warm days peaking at 32°C (89°F). Be prepared for some rain too, as the area sees about 76 mm (3.0 in) of precipitation spread over 8 days, coupled with an average humidity of 78%.
In September in Sainte-Julienne, the average temperature is 15°C (59°F). Maximums can reach 32°C (89°F), and minimums can drop as low as -1°C (30°F). Travelers should be prepared for a wide range of temperatures and pack accordingly.
In Sainte-Julienne in September, the precipitation amount is 76 mm (3.0 in) spread over a duration of 8 days.
In Sainte-Julienne in September, humidity is 78%. With an average temperature of 15°C (59°F), this humidity feels like a warm, enveloping blanket that clings to your skin, making outdoor activities a bit more tiring and requiring frequent breaks for hydration as you explore the area.
In Sainte-Julienne 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 Sainte-Julienne.
UV Risk Categories
Weather in Sainte-Julienne varies notably across the year, with each month offering distinct climate conditions. This page compares September’s weather to other months in Sainte-Julienne, focusing on differences in temperature, rainfall, humidity, and UV levels.
| Temperature | Precipitation | Humidity | UV | |
|---|---|---|---|---|
| January Weather | -10°C (14°F) | 83 mm (3.3 inches) | 93% | low |
| February Weather | -8°C (17°F) | 88 mm (3.4 inches) | 92% | moderate |
| March Weather | -3°C (26°F) | 87 mm (3.4 inches) | 86% | moderate |
| April Weather | 4°C (40°F) | 120 mm (4.7 inches) | 85% | high |
| May Weather | 13°C (55°F) | 100 mm (3.9 inches) | 80% | very high |
| June Weather | 18°C (64°F) | 101 mm (4.0 inches) | 74% | very high |
| July Weather | 21°C (70°F) | 107 mm (4.2 inches) | 76% | very high |
| August Weather | 19°C (67°F) | 106 mm (4.2 inches) | 75% | very high |
| September Weather | 15°C (59°F) | 76 mm (3.0 inches) | 78% | high |
| October Weather | 8°C (47°F) | 122 mm (4.8 inches) | 86% | moderate |
| November Weather | -1°C (31°F) | 108 mm (4.3 inches) | 88% | moderate |
| December Weather | -7°C (20°F) | 92 mm (3.6 inches) | 89% | low |