Last updated: August 27, 2025
In September, the average temperature in Koscian, Poland sits at a pleasant 16°C (60°F), with a range that can dip to a brisk 2°C (37°F) and soar up to a warm 33°C (92°F). Expect about 56 mm (2.2 in) of precipitation spread over 9 days, contributing to an average humidity of 72%. Whether you prefer a cool breeze or a sunny day, September offers a delightful climate for all.
In September in Koscian, the average temperature is 16°C (60°F), with maximums reaching 33°C (92°F) and minimums dropping as low as 2°C (37°F). This diverse range of temperatures makes it an ideal time to explore Koscian, so be sure to pack appropriately for both warm days and cooler nights.
In Koscian in September, the precipitation amount is 56 mm (2.2 in) over a period of 9 days.
In Koscian in September, humidity is 72%. With an average temperature of 16°C (60°F), this humidity feels like a warm, damp blanket enveloping you as you travel, making it essential to stay hydrated and take breaks in shaded areas to enjoy your journey comfortably.
In Koscian in September, the maximum UV index is 6, which corresponds to a high Exposure Category. The time to burn is approximately 25 minutes. To find the hourly UV index in Koscian, you can refer to this Hourly UV Index in Koscian.
UV Risk Categories
Weather in Koscian varies notably across the year, with each month offering distinct climate conditions. This page compares September’s weather to other months in Koscian, focusing on differences in temperature, rainfall, humidity, and UV levels.
Temperature | Precipitation | Humidity | UV | |
---|---|---|---|---|
January Weather | 1°C (34°F) | 44 mm (1.7 inches) | 89% | low |
February Weather | 2°C (36°F) | 44 mm (1.8 inches) | 87% | low |
March Weather | 5°C (41°F) | 41 mm (1.6 inches) | 84% | moderate |
April Weather | 9°C (49°F) | 34 mm (1.3 inches) | 78% | moderate |
May Weather | 14°C (57°F) | 64 mm (2.5 inches) | 63% | high |
June Weather | 20°C (68°F) | 62 mm (2.5 inches) | 63% | very high |
July Weather | 20°C (68°F) | 80 mm (3.1 inches) | 61% | very high |
August Weather | 20°C (69°F) | 68 mm (2.7 inches) | 65% | high |
September Weather | 16°C (60°F) | 56 mm (2.2 inches) | 72% | high |
October Weather | 11°C (52°F) | 61 mm (2.4 inches) | 80% | moderate |
November Weather | 6°C (43°F) | 40 mm (1.6 inches) | 87% | low |
December Weather | 2°C (37°F) | 49 mm (1.9 inches) | 91% | low |