Last updated: June 24, 2025
In Hanover, United States, the average temperature in September hovers around 16°C (61°F). Expect a range that dips as low as -2°C (28°F) and can soar up to 31°C (88°F). This month sees about 61 mm (2.4 in) of precipitation spread over 8 days, accompanied by an average humidity of 71%. Perfect for those who enjoy a mix of mild weather and the occasional shower!
In September in Hanover, the average temperature is 16°C (61°F). The maximum can reach 31°C (88°F), while the minimum can drop to as low as -2°C (28°F). Be prepared for a wide range of weather conditions when traveling during this month.
In Hanover in September, the precipitation amount is 61 mm (2.4 in) distributed over 8 days.
In Hanover in September humidity is 71%. With an average temperature of 16°C (61°F), this humidity feels like walking through a warm, damp blanket, making travel slightly uncomfortable but still enjoyable for those who appreciate mild weather.
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 (21°F) | 70 mm (2.8 inches) | 86% | moderate |
February Weather | -5°C (24°F) | 79 mm (3.1 inches) | 84% | moderate |
March Weather | -1°C (31°F) | 67 mm (2.6 inches) | 82% | high |
April Weather | 6°C (43°F) | 113 mm (4.4 inches) | 80% | very high |
May Weather | 13°C (56°F) | 80 mm (3.2 inches) | 72% | very high |
June Weather | 18°C (65°F) | 88 mm (3.5 inches) | 72% | very high |
July Weather | 21°C (70°F) | 125 mm (4.9 inches) | 67% | very high |
August Weather | 20°C (68°F) | 84 mm (3.3 inches) | 66% | very high |
September Weather | 16°C (61°F) | 61 mm (2.4 inches) | 71% | high |
October Weather | 10°C (50°F) | 130 mm (5.1 inches) | 78% | moderate |
November Weather | 1°C (35°F) | 99 mm (3.9 inches) | 84% | moderate |
December Weather | -4°C (25°F) | 96 mm (3.8 inches) | 81% | low |