Last updated: June 24, 2025
In September, the average temperature in Poland, United States is a pleasant 17°C (64°F). Expect a range from a cool 4°C (39°F) at its lowest to a warm 31°C (87°F) at its peak. With 62 mm (2.4 in) of precipitation spread over 7 days, be prepared for occasional rain. On top of that, the average humidity sits at 71%, ensuring a lush and vibrant atmosphere.
In September in Poland, the average temperature is 17°C (64°F). Maximum temperatures can reach 31°C (87°F), while the minimum can drop as low as 4°C (39°F). It's an ideal time to explore Poland with its mild climate and pleasant conditions for outdoor activities.
In Poland in September, the total precipitation amount is 62 mm (2.4 in) observed over a span of 7 days.
In Poland in September humidity is 71%. With an average temperature of 17°C (64°F), this humidity feels like a warm, enveloping embrace that can make travel feel a bit sticky, yet still pleasant as you explore the sights with a gentle sheen of perspiration.
In Poland 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 Poland.
UV Risk Categories
Weather in Poland varies notably across the year, with each month offering distinct climate conditions. This page compares September’s weather to other months in Poland, focusing on differences in temperature, rainfall, humidity, and UV levels.
Temperature | Precipitation | Humidity | UV | |
---|---|---|---|---|
January Weather | -5°C (23°F) | 79 mm (3.1 inches) | 86% | low |
February Weather | -4°C (25°F) | 85 mm (3.3 inches) | 84% | moderate |
March Weather | 0°C (32°F) | 72 mm (2.9 inches) | 82% | moderate |
April Weather | 6°C (43°F) | 112 mm (4.4 inches) | 80% | very high |
May Weather | 12°C (54°F) | 74 mm (2.9 inches) | 72% | very high |
June Weather | 19°C (66°F) | 73 mm (2.9 inches) | 72% | very high |
July Weather | 22°C (72°F) | 139 mm (5.5 inches) | 67% | very high |
August Weather | 21°C (71°F) | 79 mm (3.1 inches) | 66% | very high |
September Weather | 17°C (64°F) | 62 mm (2.4 inches) | 71% | high |
October Weather | 11°C (52°F) | 117 mm (4.6 inches) | 78% | moderate |
November Weather | 4°C (39°F) | 102 mm (4.0 inches) | 84% | moderate |
December Weather | -2°C (28°F) | 110 mm (4.3 inches) | 81% | low |