Last updated: June 18, 2025
In September, the average temperature in Fort-Coulonge, Canada hovers around 15°C (59°F). You might experience a minimum of 0°C (32°F) and could enjoy a warm maximum of 31°C (89°F). Expect approximately 80 mm (3.1 in) of precipitation spread over 10 days, with an average humidity level of 72%, creating a refreshing atmosphere throughout the month.
In September in Fort-Coulonge, the average temperature is 15°C (59°F), with maximums reaching up to 31°C (89°F) and minimums dropping as low as 0°C (32°F). It's a great time for travelers to experience a mix of warm sunshine and cooler evenings, so be sure to pack accordingly!
In Fort-Coulonge in September, the total precipitation amount is 80 mm (3.1 in) over a period of 10 days.
In Fort-Coulonge in September humidity is 72%. With an average temperature of 15°C (59°F), this humidity feels like a warm blanket wrapping around you, creating a sultry atmosphere that can make traveling a bit uncomfortable. The stickiness in the air can leave you feeling sluggish, so it’s advisable to stay hydrated and take breaks often while exploring.
In Fort-Coulonge 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 Fort-Coulonge.
UV Risk Categories
Weather in Fort-Coulonge varies notably across the year, with each month offering distinct climate conditions. This page compares September’s weather to other months in Fort-Coulonge, focusing on differences in temperature, rainfall, humidity, and UV levels.
| Temperature | Precipitation | Humidity | UV | |
|---|---|---|---|---|
| January Weather | -9°C (15°F) | 68 mm (2.7 inches) | 93% | low |
| February Weather | -8°C (18°F) | 73 mm (2.9 inches) | 93% | moderate |
| March Weather | -3°C (26°F) | 75 mm (3.0 inches) | 86% | moderate |
| April Weather | 4°C (40°F) | 107 mm (4.2 inches) | 82% | very high |
| May Weather | 12°C (54°F) | 114 mm (4.5 inches) | 75% | very high |
| June Weather | 18°C (64°F) | 96 mm (3.8 inches) | 68% | very high |
| July Weather | 21°C (70°F) | 103 mm (4.0 inches) | 69% | very high |
| August Weather | 19°C (67°F) | 107 mm (4.2 inches) | 67% | very high |
| September Weather | 15°C (59°F) | 80 mm (3.1 inches) | 72% | high |
| October Weather | 8°C (48°F) | 112 mm (4.4 inches) | 83% | moderate |
| November Weather | 0°C (32°F) | 83 mm (3.3 inches) | 88% | moderate |
| December Weather | -6°C (21°F) | 78 mm (3.1 inches) | 89% | low |