Last updated: June 18, 2025
In September, the average temperature in Saint-Cesaire, Canada is a pleasant 16°C (61°F). Expect a range of temperatures, with minimums dipping to -2°C (29°F) and maximums soaring to 31°C (88°F). It’s a time for layers, as the average humidity hovers around 78%. Be prepared for some rain, with 67 mm (2.7 in) of precipitation expected over 9 days.
In September in Saint-Cesaire, the average temperature is 16°C (61°F). Maximum temperatures can reach 31°C (88°F), while minimums can drop as low as -2°C (29°F). Pack a variety of clothing to accommodate both warm days and chilly nights during your travels.
In Saint-Cesaire in September, the precipitation amount is 67 mm (2.7 in), occurring over a span of 9 days.
In Saint-Cesaire in September, humidity is 78%. With an average temperature of 16°C (61°F), this humidity feels like a warm, sticky embrace, making travel somewhat uncomfortable as it clings to your skin and creates a heavy atmosphere that can drain your energy.
In Saint-Cesaire 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 Saint-Cesaire.
UV Risk Categories
Weather in Saint-Cesaire varies notably across the year, with each month offering distinct climate conditions. This page compares September’s weather to other months in Saint-Cesaire, focusing on differences in temperature, rainfall, humidity, and UV levels.
| Temperature | Precipitation | Humidity | UV | |
|---|---|---|---|---|
| January Weather | -8°C (18°F) | 87 mm (3.4 inches) | 93% | low |
| February Weather | -7°C (20°F) | 81 mm (3.2 inches) | 92% | moderate |
| March Weather | -2°C (29°F) | 84 mm (3.3 inches) | 86% | moderate |
| April Weather | 6°C (43°F) | 117 mm (4.6 inches) | 85% | very high |
| May Weather | 14°C (57°F) | 98 mm (3.9 inches) | 80% | very high |
| June Weather | 19°C (66°F) | 111 mm (4.4 inches) | 74% | very high |
| July Weather | 22°C (71°F) | 105 mm (4.1 inches) | 76% | very high |
| August Weather | 21°C (69°F) | 116 mm (4.6 inches) | 75% | very high |
| September Weather | 16°C (61°F) | 67 mm (2.7 inches) | 78% | high |
| October Weather | 10°C (50°F) | 142 mm (5.6 inches) | 86% | moderate |
| November Weather | 1°C (35°F) | 117 mm (4.6 inches) | 88% | moderate |
| December Weather | -4°C (24°F) | 85 mm (3.4 inches) | 89% | low |