Last updated: August 23, 2025
In September, the average temperature in Neu-Isenburg, Germany hovers around 16°C (62°F), with a minimum dipping to 3°C (38°F) and a peak reaching 33°C (92°F). Expect about 43 mm (1.7 in) of precipitation spread over 6 days, contributing to an average humidity of 85%. Whether you're basking in the warmth or navigating the rain, this month offers a unique experience in Neu-Isenburg!
In September in Neu-Isenburg, the average temperature is 16°C (62°F). Maximums can reach 33°C (92°F) and minimums can be as low as 3°C (38°F). Travelers should be prepared for a wide range of temperatures, ensuring to pack layers for both warm and cool weather.
In Neu-Isenburg in September, the precipitation amount is 43 mm (1.7 in) over a period of 6 days.
In Neu-Isenburg in September humidity is 85%. With an average temperature of 16°C (62°F), this humidity feels like a warm, heavy blanket wrapping around you, making travel feel sluggish and sticky, and urging you to seek shade and hydration at every stop.
In Neu-Isenburg 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 Neu-Isenburg.
UV Risk Categories
Weather in Neu-Isenburg varies notably across the year, with each month offering distinct climate conditions. This page compares September’s weather to other months in Neu-Isenburg, focusing on differences in temperature, rainfall, humidity, and UV levels.
| Temperature | Precipitation | Humidity | UV | |
|---|---|---|---|---|
| January Weather | 3°C (37°F) | 61 mm (2.4 inches) | 91% | low |
| February Weather | 4°C (40°F) | 53 mm (2.1 inches) | 89% | moderate |
| March Weather | 7°C (44°F) | 69 mm (2.7 inches) | 87% | moderate |
| April Weather | 10°C (51°F) | 36 mm (1.4 inches) | 83% | moderate |
| May Weather | 14°C (58°F) | 71 mm (2.8 inches) | 79% | very high |
| June Weather | 20°C (68°F) | 73 mm (2.9 inches) | 82% | very high |
| July Weather | 21°C (70°F) | 56 mm (2.2 inches) | 83% | very high |
| August Weather | 21°C (70°F) | 53 mm (2.1 inches) | 84% | high |
| September Weather | 16°C (62°F) | 43 mm (1.7 inches) | 85% | moderate |
| October Weather | 12°C (53°F) | 57 mm (2.2 inches) | 88% | moderate |
| November Weather | 6°C (43°F) | 48 mm (1.9 inches) | 89% | low |
| December Weather | 4°C (40°F) | 98 mm (3.9 inches) | 91% | low |