Last updated: June 18, 2025
In Saint-Germain-de-Grantham, Canada, the average temperature in September hovers around 15°C (60°F). Expect minimums to dip to -3°C (27°F) and rise to highs of 30°C (87°F). The month also brings about 69 mm (2.7 in) of precipitation, spread across 10 days, with an average humidity level of 78%. Stay prepared for a mix of weather!
In September in Saint-Germain-de-Grantham, the average temperature is 15°C (60°F), with maximums reaching 30°C (87°F) and minimums dropping as low as -3°C (27°F). Be prepared for a wide range of temperatures when planning your travels.
In Saint-Germain-de-Grantham in September, the precipitation amount is 69 mm (2.7 in) spread over a period of 10 days.
In Saint-Germain-de-Grantham in September, humidity is 78%. With an average temperature of 15°C (60°F), this humidity feels like a warm, damp embrace that can make outdoor activities a bit uncomfortable, highlighting the importance of staying hydrated and taking breaks in the shade while exploring.
In Saint-Germain-de-Grantham 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-Germain-de-Grantham.
UV Risk Categories
Weather in Saint-Germain-de-Grantham varies notably across the year, with each month offering distinct climate conditions. This page compares September’s weather to other months in Saint-Germain-de-Grantham, focusing on differences in temperature, rainfall, humidity, and UV levels.
Temperature | Precipitation | Humidity | UV | |
---|---|---|---|---|
January Weather | -8°C (17°F) | 88 mm (3.5 inches) | 93% | low |
February Weather | -7°C (20°F) | 83 mm (3.3 inches) | 92% | moderate |
March Weather | -2°C (28°F) | 84 mm (3.3 inches) | 86% | moderate |
April Weather | 6°C (43°F) | 117 mm (4.6 inches) | 85% | high |
May Weather | 13°C (56°F) | 102 mm (4.0 inches) | 80% | very high |
June Weather | 18°C (65°F) | 124 mm (4.9 inches) | 74% | very high |
July Weather | 21°C (70°F) | 106 mm (4.2 inches) | 76% | very high |
August Weather | 20°C (68°F) | 118 mm (4.6 inches) | 75% | very high |
September Weather | 15°C (60°F) | 69 mm (2.7 inches) | 78% | high |
October Weather | 9°C (49°F) | 135 mm (5.3 inches) | 86% | moderate |
November Weather | 1°C (34°F) | 117 mm (4.6 inches) | 88% | moderate |
December Weather | -5°C (23°F) | 87 mm (3.4 inches) | 89% | low |