Last updated: June 18, 2025
In September, the average temperature in Constance Bay, Canada is a comfortable 15°C (60°F), with extremes ranging from a chilly 0°C (32°F) to a warm 32°C (90°F). Expect about 75 mm (3.0 in) of precipitation spread over 11 days, contributing to an average humidity of 72%. This blend of warmth and moisture makes for a unique and lively atmosphere.
In September in Constance Bay, the average temperature is 15°C (60°F). The maximum can reach 32°C (90°F) and the minimum can be as low as 0°C (32°F). Pack for a range of temperatures to ensure a comfortable and enjoyable trip.
In Constance Bay in September, the precipitation amount is 75 mm (3.0 in) over a span of 11 days.
In Constance Bay in September humidity is 72%. With an average temperature of 15°C (60°F), this humidity feels like a warm embrace, creating a slightly muggy atmosphere that can make strolling around a bit sticky. Travelers might find themselves longing for a refreshing breeze, and it’s advisable to stay hydrated while exploring local sights.
In Constance Bay 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 Constance Bay.
UV Risk Categories
Weather in Constance Bay varies notably across the year, with each month offering distinct climate conditions. This page compares September’s weather to other months in Constance Bay, focusing on differences in temperature, rainfall, humidity, and UV levels.
| Temperature | Precipitation | Humidity | UV | |
|---|---|---|---|---|
| January Weather | -9°C (16°F) | 73 mm (2.9 inches) | 93% | low |
| February Weather | -8°C (18°F) | 78 mm (3.1 inches) | 93% | moderate |
| March Weather | -3°C (27°F) | 82 mm (3.2 inches) | 86% | moderate |
| April Weather | 5°C (41°F) | 110 mm (4.3 inches) | 82% | very high |
| May Weather | 13°C (55°F) | 116 mm (4.6 inches) | 75% | very high |
| June Weather | 18°C (64°F) | 97 mm (3.8 inches) | 68% | very high |
| July Weather | 21°C (70°F) | 114 mm (4.5 inches) | 69% | very high |
| August Weather | 20°C (68°F) | 99 mm (3.9 inches) | 67% | very high |
| September Weather | 15°C (60°F) | 75 mm (3.0 inches) | 72% | high |
| October Weather | 9°C (48°F) | 131 mm (5.1 inches) | 83% | moderate |
| November Weather | 0°C (33°F) | 94 mm (3.7 inches) | 88% | moderate |
| December Weather | -6°C (22°F) | 78 mm (3.1 inches) | 89% | low |