Last updated: August 23, 2025
In September, the average temperature in Bad Nenndorf, Germany hovers around 15°C (59°F), making it a mild time of year. Be prepared for a temperature range that can dip as low as 2°C (35°F) and soar up to a warm 31°C (89°F). On average, 58 mm (2.3 in) of precipitation falls over 10 days, while the air maintains a comfortable average humidity of 81%.
In September in Bad Nenndorf, the average temperature is 15°C (59°F). Maximum temperatures can reach 31°C (89°F), while the minimum can drop as low as 2°C (35°F). Be prepared for a wide range of temperatures during your travels.
In Bad Nenndorf in September, the total precipitation amount is 58 mm (2.3 in), measured over a span of 10 days.
In Bad Nenndorf in September humidity is 81%. With an average temperature of 15°C (59°F), this humidity feels like a heavy blanket draped over you, making traveling quite uncomfortable as you constantly wipe away beads of sweat and feel the stickiness clinging to your clothes.
In Bad Nenndorf in September, the maximum UV index reaches 5, which corresponds to a moderate Exposure Category. Under these conditions, the estimated time to burn is approximately 30 minutes. For more details, you can check the Hourly UV Index in Bad Nenndorf.
UV Risk Categories
Weather in Bad Nenndorf varies notably across the year, with each month offering distinct climate conditions. This page compares September’s weather to other months in Bad Nenndorf, focusing on differences in temperature, rainfall, humidity, and UV levels.
| Temperature | Precipitation | Humidity | UV | |
|---|---|---|---|---|
| January Weather | 3°C (37°F) | 62 mm (2.5 inches) | 91% | low |
| February Weather | 3°C (39°F) | 67 mm (2.6 inches) | 89% | low |
| March Weather | 6°C (42°F) | 69 mm (2.7 inches) | 87% | moderate |
| April Weather | 9°C (49°F) | 46 mm (1.8 inches) | 82% | moderate |
| May Weather | 13°C (56°F) | 64 mm (2.5 inches) | 73% | high |
| June Weather | 18°C (65°F) | 69 mm (2.7 inches) | 66% | very high |
| July Weather | 19°C (66°F) | 91 mm (3.6 inches) | 66% | very high |
| August Weather | 19°C (66°F) | 72 mm (2.8 inches) | 67% | high |
| September Weather | 15°C (59°F) | 58 mm (2.3 inches) | 81% | moderate |
| October Weather | 11°C (53°F) | 79 mm (3.1 inches) | 86% | moderate |
| November Weather | 6°C (44°F) | 47 mm (1.9 inches) | 90% | low |
| December Weather | 4°C (40°F) | 76 mm (3.0 inches) | 90% | low |