Last updated: August 23, 2025
In September, the average temperature in Gruenheide, Germany hovers around 15°C (60°F). However, be prepared for temperature fluctuations; it can dip to a chilly 4°C (39°F) or soar up to a hot 34°C (93°F). Expect some rain, with a precipitation total of 51 mm (2.0 in) spread over 9 days. The average humidity remains high at 82%, contributing to that quintessential feel of the season.
In September in Gruenheide, the average temperature is 15°C (60°F). The maximum can reach 34°C (93°F), while the minimum can be as low as 4°C (39°F). Travelers should be prepared for a wide range of temperatures, making layering essential for outdoor activities.
In Gruenheide in September, the total precipitation amount is 51 mm (2.0 in) spread over 9 days.
In Gruenheide in September humidity is 82%. With an average temperature of 15°C (60°F), this humidity feels like a heavy blanket wrapping around you, making outdoor activities feel sticky and draining, which can hinder your travel experience.
In Gruenheide 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 Gruenheide.
UV Risk Categories
Weather in Gruenheide varies notably across the year, with each month offering distinct climate conditions. This page compares September’s weather to other months in Gruenheide, focusing on differences in temperature, rainfall, humidity, and UV levels.
| Temperature | Precipitation | Humidity | UV | |
|---|---|---|---|---|
| January Weather | 2°C (36°F) | 51 mm (2.0 inches) | 91% | low |
| February Weather | 3°C (37°F) | 47 mm (1.8 inches) | 90% | low |
| March Weather | 5°C (41°F) | 55 mm (2.2 inches) | 88% | moderate |
| April Weather | 9°C (49°F) | 37 mm (1.5 inches) | 82% | moderate |
| May Weather | 14°C (57°F) | 40 mm (1.6 inches) | 74% | high |
| June Weather | 20°C (68°F) | 62 mm (2.4 inches) | 75% | very high |
| July Weather | 19°C (67°F) | 91 mm (3.6 inches) | 74% | high |
| August Weather | 20°C (68°F) | 65 mm (2.6 inches) | 71% | high |
| September Weather | 15°C (60°F) | 51 mm (2.0 inches) | 82% | moderate |
| October Weather | 11°C (52°F) | 55 mm (2.2 inches) | 86% | moderate |
| November Weather | 6°C (43°F) | 46 mm (1.8 inches) | 89% | low |
| December Weather | 3°C (38°F) | 52 mm (2.0 inches) | 93% | low |