Last updated: June 24, 2025
In Potsdam, United States, the average temperature in September hovers around 17°C (62°F). Expect a minimum chill of -1°C (30°F) and the occasional peak at 32°C (91°F). With 72 mm (2.8 in) of precipitation spread over 9 days, it's wise to keep an umbrella handy. On top of that, you'll feel the warmth more with an average humidity of 72%. Plan accordingly!
In September in Potsdam, the average temperature is 17°C (62°F), with maximums reaching 32°C (91°F) and minimums dipping as low as -1°C (30°F). This diverse range makes it essential for travelers to pack for both warm days and cool evenings.
In Potsdam in September, the precipitation amount is 72 mm (2.8 in) over the course of 9 days.
In Potsdam in September humidity is 72%. With an average temperature of 17°C (62°F), this humidity feels like a warm embrace, making it perfect for leisurely strolls but potentially heavy on the skin, prompting travelers to seek shade during midday excursions.
In Potsdam 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 Potsdam.
UV Risk Categories
Weather in Potsdam varies notably across the year, with each month offering distinct climate conditions. This page compares September’s weather to other months in Potsdam, focusing on differences in temperature, rainfall, humidity, and UV levels.
| Temperature | Precipitation | Humidity | UV | |
|---|---|---|---|---|
| January Weather | -7°C (20°F) | 88 mm (3.5 inches) | 93% | low |
| February Weather | -5°C (23°F) | 85 mm (3.3 inches) | 93% | moderate |
| March Weather | -1°C (31°F) | 88 mm (3.5 inches) | 86% | moderate |
| April Weather | 7°C (44°F) | 123 mm (4.8 inches) | 82% | very high |
| May Weather | 14°C (57°F) | 109 mm (4.3 inches) | 75% | very high |
| June Weather | 19°C (66°F) | 99 mm (3.9 inches) | 68% | very high |
| July Weather | 22°C (72°F) | 113 mm (4.5 inches) | 69% | very high |
| August Weather | 21°C (70°F) | 98 mm (3.8 inches) | 67% | very high |
| September Weather | 17°C (62°F) | 72 mm (2.8 inches) | 72% | high |
| October Weather | 10°C (51°F) | 144 mm (5.7 inches) | 83% | moderate |
| November Weather | 2°C (36°F) | 112 mm (4.4 inches) | 88% | moderate |
| December Weather | -3°C (27°F) | 89 mm (3.5 inches) | 89% | low |