Last updated: June 18, 2025
In September, the average temperature in Deloraine, Canada is a mild 13°C (56°F). However, be prepared for a range, as temperatures can drop to a chilly -3°C (28°F) or soar up to a warm 31°C (89°F). Expect approximately 64 mm (2.5 in) of precipitation spread over 9 days, and don’t forget to account for the average humidity of 71% which can make the air feel quite damp!
In September in Deloraine, the average temperature is 13°C (56°F). Maximum temperatures can reach 31°C (89°F), while the minimum can drop as low as -3°C (28°F). It's an ideal time for travelers to enjoy a mix of mild days and cooler evenings, so be sure to pack accordingly.
In Deloraine in September, the precipitation amount is 64 mm (2.5 in) over a span of 9 days.
In Deloraine in September humidity is 71%. With an average temperature of 13°C (56°F), this humidity feels like a damp embrace that can make exploring the area feel a bit stifling and requires light, breathable clothing to remain comfortable while traveling.
In Deloraine 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 Deloraine.
UV Risk Categories
Weather in Deloraine varies notably across the year, with each month offering distinct climate conditions. This page compares September’s weather to other months in Deloraine, focusing on differences in temperature, rainfall, humidity, and UV levels.
| Temperature | Precipitation | Humidity | UV | |
|---|---|---|---|---|
| January Weather | -14°C (8°F) | 14 mm (0.5 inches) | 89% | low |
| February Weather | -15°C (4°F) | 15 mm (0.6 inches) | 91% | moderate |
| March Weather | -5°C (23°F) | 23 mm (0.9 inches) | 87% | moderate |
| April Weather | 2°C (35°F) | 25 mm (1.0 inches) | 78% | very high |
| May Weather | 11°C (53°F) | 35 mm (1.4 inches) | 73% | very high |
| June Weather | 18°C (65°F) | 99 mm (3.9 inches) | 71% | very high |
| July Weather | 20°C (69°F) | 52 mm (2.1 inches) | 76% | very high |
| August Weather | 18°C (65°F) | 58 mm (2.3 inches) | 77% | very high |
| September Weather | 13°C (56°F) | 64 mm (2.5 inches) | 71% | high |
| October Weather | 4°C (40°F) | 43 mm (1.7 inches) | 75% | moderate |
| November Weather | -4°C (24°F) | 27 mm (1.1 inches) | 84% | low |
| December Weather | -10°C (15°F) | 21 mm (0.8 inches) | 92% | low |