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September Weather in Osieczna, Poland

Last updated: August 27, 2025

In September, the average temperature in Osieczna, 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.

September Temperature in Osieczna

In September in Osieczna, 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 Osieczna, so be sure to pack appropriately for both warm days and cooler nights.

September Weather in Osieczna: Daily Temperature Highs, Lows, and Averages

The chart illustrates September temperature patterns in Osieczna, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Osieczna, September typically has an average temperature of 16°C (60°F), with highs reaching up to 33°C (92°F) and lows dropping to around 2°C (37°F).
JanFebMarAprMayJunJulAugSepOctNovDec343540495768686960524336
Data source: Temperature data for Osieczna generated using information from the Copernicus Climate Change Service.
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The average of daily temperatures (24 hours) calculated across all days in the month.

September Precipitation in Osieczna

In Osieczna in September, the precipitation amount is 56 mm (2.2 in) over a period of 9 days.

September Precipitation Trends in Osieczna

The chart displays monthly precipitation patterns in Osieczna, with values for each month alongside September’s data, which is highlighted for easy comparison. It shows the amount of precipitation, providing insights into how September’s conditions compare to those of other months. In Osieczna, September typically receives around 56 mm (2.2 inches) of precipitation spread over approximately 9 days.
JanFebMarAprMayJunJulAugSepOctNovDec444541346463806856614049
Data source: Precipitation data for September generated using information from the Copernicus Climate Change Service.
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September Humidity in Osieczna

In Osieczna 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.

September Average Humidity in Osieczna

This chart illustrates the average monthly humidity levels in Osieczna, with September’s data highlighted for easy comparison. It shows the fluctuation in humidity throughout the year, helping you understand how conditions vary by season. In September, average humidity in Osieczna is approximately 72%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec89%87%84%78%63%63%61%65%72%80%87%91%
Data source: Humidity data for September generated using information from the Copernicus Climate Change Service.

September UV Index in Osieczna

In Osieczna 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 Osieczna, you can refer to this Hourly UV Index in Osieczna.

Maximum UV Index Levels in Osieczna for September

The chart shows the monthly maximum UV Index (UVI) for Osieczna in September, representing the highest UV radiation level. The UVI measures the intensity of ultraviolet radiation from the sun, indicating the potential risk of sunburn and UV-related health issues. In September, the maximum UV index in Osieczna typically reaches 6, which falls under the high exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec124578876321
Data source: Osieczna September UVI data generated using information from the Copernicus Climate Change Service.

UV Risk Categories

  •  Extreme (11+): Avoid the sun, stay in shade.
  •  Very High (8-10): Limit sun exposure.
  •  High (6-7): Use SPF 30+ and protective clothing.
  •  Moderate (3-5): Midday shade recommended.
  •  Low (0-2): No protection needed.

How September Weather in Osieczna Compares to Other Months

Weather in Osieczna varies notably across the year, with each month offering distinct climate conditions. This page compares September’s weather to other months in Osieczna, focusing on differences in temperature, rainfall, humidity, and UV levels.

This table compares monthly weather conditions in Osieczna, showing how September’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather1°C (34°F)44 mm (1.7 inches)89%low
February Weather2°C (36°F)44 mm (1.8 inches)87%low
March Weather5°C (41°F)41 mm (1.6 inches)84%moderate
April Weather9°C (49°F)34 mm (1.3 inches)78%moderate
May Weather14°C (57°F)64 mm (2.5 inches)63%high
June Weather20°C (68°F)62 mm (2.5 inches)63%very high
July Weather20°C (68°F)80 mm (3.1 inches)61%very high
August Weather20°C (69°F)68 mm (2.7 inches)65%high
September Weather16°C (60°F)56 mm (2.2 inches)72%high
October Weather11°C (52°F)61 mm (2.4 inches)80%moderate
November Weather6°C (43°F)40 mm (1.6 inches)87%low
December Weather2°C (37°F)49 mm (1.9 inches)91%low

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