Last updated: August 23, 2025
In September, the average temperature in Grossmoelsen, Germany is a comfortable 15°C (59°F). However, be prepared for a range that can dip to a chilly 1°C (34°F) at night and soar up to a warm 33°C (91°F) during the day. Expect some rain, with a total precipitation of 46 mm (1.8 in) spread over about 7 days. Additionally, the air carries an average humidity of 83%, making it a cozy but potentially damp month.
In September in Grossmoelsen, the average temperature is 15°C (59°F). The maximum can reach 33°C (91°F), while the minimum can drop as low as 1°C (34°F). This makes it an ideal time for travelers to enjoy a variety of outdoor activities while preparing for some temperature fluctuations.
In Grossmoelsen in September, the precipitation amount is 46 mm (1.8 in) over the course of 7 days.
In Grossmoelsen in September humidity is 83%. With an average temperature of 15°C (59°F), this humidity feels like a cozy, damp embrace that can be quite stifling for traveling, making even short walks feel more exhausting than they should, and prompting a need for frequent breaks in shaded or air-conditioned areas.
In Grossmoelsen 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 Grossmoelsen.
UV Risk Categories
Weather in Grossmoelsen varies notably across the year, with each month offering distinct climate conditions. This page compares September’s weather to other months in Grossmoelsen, focusing on differences in temperature, rainfall, humidity, and UV levels.
| Temperature | Precipitation | Humidity | UV | |
|---|---|---|---|---|
| January Weather | 2°C (36°F) | 46 mm (1.8 inches) | 91% | low |
| February Weather | 3°C (37°F) | 42 mm (1.6 inches) | 90% | low |
| March Weather | 5°C (41°F) | 53 mm (2.1 inches) | 88% | moderate |
| April Weather | 9°C (48°F) | 32 mm (1.3 inches) | 83% | moderate |
| May Weather | 13°C (56°F) | 67 mm (2.6 inches) | 75% | high |
| June Weather | 19°C (66°F) | 48 mm (1.9 inches) | 79% | very high |
| July Weather | 19°C (67°F) | 61 mm (2.4 inches) | 79% | very high |
| August Weather | 20°C (68°F) | 72 mm (2.9 inches) | 79% | high |
| September Weather | 15°C (59°F) | 46 mm (1.8 inches) | 83% | moderate |
| October Weather | 11°C (52°F) | 49 mm (1.9 inches) | 87% | moderate |
| November Weather | 6°C (42°F) | 39 mm (1.5 inches) | 90% | low |
| December Weather | 3°C (38°F) | 55 mm (2.2 inches) | 92% | low |