Last updated: June 18, 2025
In September, the average temperature in Hanover, Canada hovers around 16°C (60°F). Expect a range with minimums dipping to -1°C (30°F) and maximums soaring to 32°C (89°F). With an average humidity of 80%, it's a month where you'll likely experience 99 mm (3.9 in) of precipitation over approximately 12 days.
In September in Hanover, the average temperature is 16°C (60°F), with maximums reaching 32°C (89°F) and minimums plummeting to -1°C (30°F). Be prepared for a wide range of temperatures while traveling, and pack accordingly to enjoy your visit to Hanover.
In Hanover in September, the total precipitation amount is 99 mm (3.9 in) recorded over a span of 12 days.
In Hanover in September, humidity is 80%. With an average temperature of 16°C (60°F), this humidity feels like walking through a warm, thick haze, making travel feel somewhat stifling and requiring frequent breaks to hydrate and cool down.
In Hanover 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 Hanover.
UV Risk Categories
Weather in Hanover varies notably across the year, with each month offering distinct climate conditions. This page compares September’s weather to other months in Hanover, focusing on differences in temperature, rainfall, humidity, and UV levels.
| Temperature | Precipitation | Humidity | UV | |
|---|---|---|---|---|
| January Weather | -6°C (22°F) | 73 mm (2.9 inches) | 91% | low |
| February Weather | -5°C (23°F) | 83 mm (3.3 inches) | 92% | moderate |
| March Weather | -1°C (31°F) | 71 mm (2.8 inches) | 88% | moderate |
| April Weather | 5°C (42°F) | 112 mm (4.4 inches) | 87% | very high |
| May Weather | 13°C (55°F) | 101 mm (4.0 inches) | 82% | very high |
| June Weather | 18°C (65°F) | 113 mm (4.5 inches) | 79% | very high |
| July Weather | 21°C (69°F) | 113 mm (4.5 inches) | 76% | very high |
| August Weather | 19°C (67°F) | 122 mm (4.8 inches) | 77% | very high |
| September Weather | 16°C (60°F) | 99 mm (3.9 inches) | 80% | high |
| October Weather | 10°C (50°F) | 106 mm (4.2 inches) | 84% | moderate |
| November Weather | 2°C (36°F) | 97 mm (3.8 inches) | 87% | moderate |
| December Weather | -2°C (29°F) | 84 mm (3.3 inches) | 88% | low |