Last updated: June 18, 2025
In Riviere-du-Loup, Canada, the average temperature in September hovers around 13°C (55°F). Daily highs can reach up to 23°C (74°F), while nighttime lows can drop to a chilly 2°C (36°F). The area sees an average precipitation of 75 mm (3.0 in) spread over about 12 days, contributing to a notably high average humidity of 85%.
In September in Riviere-du-Loup, the average temperature is 13°C (55°F), with maximums capable of reaching 23°C (74°F) and minimums dropping as low as 2°C (36°F). This comfortable range makes it an ideal time for travelers to explore the area and enjoy outdoor activities.
In Riviere-du-Loup in September, the precipitation amount is 75 mm (3.0 in) over the course of 12 days.
In Riviere-du-Loup in September, humidity is 85%. With an average temperature of 13°C (55°F), this humidity feels like a heavy blanket wrapping around you, making even short walks feel exhausting and urging travelers to seek shade and refreshment frequently.
In Riviere-du-Loup in September, the maximum UV index is 6, which corresponds to a high Exposure Category. The time to burn is approximately 25 minutes. To find the hourly UV index in Riviere-du-Loup, you can refer to this Hourly UV Index in Riviere-du-Loup.
UV Risk Categories
Weather in Riviere-du-Loup varies notably across the year, with each month offering distinct climate conditions. This page compares September’s weather to other months in Riviere-du-Loup, focusing on differences in temperature, rainfall, humidity, and UV levels.
| Temperature | Precipitation | Humidity | UV | |
|---|---|---|---|---|
| January Weather | -10°C (14°F) | 84 mm (3.3 inches) | 93% | low |
| February Weather | -9°C (16°F) | 68 mm (2.7 inches) | 92% | moderate |
| March Weather | -5°C (24°F) | 86 mm (3.4 inches) | 90% | moderate |
| April Weather | 2°C (35°F) | 112 mm (4.4 inches) | 87% | high |
| May Weather | 8°C (47°F) | 94 mm (3.7 inches) | 82% | very high |
| June Weather | 14°C (58°F) | 83 mm (3.3 inches) | 77% | very high |
| July Weather | 17°C (63°F) | 67 mm (2.6 inches) | 81% | very high |
| August Weather | 17°C (63°F) | 64 mm (2.5 inches) | 83% | very high |
| September Weather | 13°C (55°F) | 75 mm (3.0 inches) | 85% | high |
| October Weather | 7°C (45°F) | 140 mm (5.5 inches) | 87% | moderate |
| November Weather | -1°C (31°F) | 106 mm (4.2 inches) | 87% | low |
| December Weather | -7°C (20°F) | 84 mm (3.3 inches) | 90% | low |