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September Weather in Osiecznica, Poland

Last updated: August 27, 2025

In September, the average temperature in Osiecznica, Poland hovers around 16°C (60°F), with a range that can dip to a cool 2°C (36°F) or soar to a warm 33°C (92°F). Expect approximately 58 mm (2.3 in) of precipitation spread over 9 days, contributing to an average humidity of 81%.

September Temperature in Osiecznica

In September in Osiecznica, the average temperature is 16°C (60°F). Maximum temperatures can reach 33°C (92°F), while minimums can drop as low as 2°C (36°F). Be sure to pack both light clothing for the warm days and warmer layers for the cooler evenings.

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

The chart illustrates September temperature patterns in Osiecznica, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Osiecznica, 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 (36°F).
JanFebMarAprMayJunJulAugSepOctNovDec353641495868686960524337
Data source: Temperature data for Osiecznica 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 Osiecznica

In Osiecznica in September, the precipitation amount is 58 mm (2.3 in) spread over 9 days.

September Precipitation Trends in Osiecznica

The chart displays monthly precipitation patterns in Osiecznica, 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 Osiecznica, September typically receives around 58 mm (2.3 inches) of precipitation spread over approximately 9 days.
JanFebMarAprMayJunJulAugSepOctNovDec524950355751746358624155
Data source: Precipitation data for September generated using information from the Copernicus Climate Change Service.
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September Humidity in Osiecznica

In Osiecznica in September, humidity is 81%. With an average temperature of 16°C (60°F), this humidity feels like a warm, heavy blanket wrapping around you as you travel, making you acutely aware of the sweat on your skin and creating an atmosphere that might dampen your spirits but also invites you to seek out refreshing beverages and shady spots.

September Average Humidity in Osiecznica

This chart illustrates the average monthly humidity levels in Osiecznica, 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 Osiecznica is approximately 81%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec90%89%87%81%71%75%74%76%81%85%88%92%
Data source: Humidity data for September generated using information from the Copernicus Climate Change Service.

September UV Index in Osiecznica

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

Maximum UV Index Levels in Osiecznica for September

The chart shows the monthly maximum UV Index (UVI) for Osiecznica 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 Osiecznica typically reaches 6, which falls under the high exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec124578876321
Data source: Osiecznica 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 Osiecznica Compares to Other Months

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

This table compares monthly weather conditions in Osiecznica, showing how September’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather1°C (35°F)52 mm (2.1 inches)90%low
February Weather2°C (37°F)49 mm (1.9 inches)89%low
March Weather5°C (41°F)50 mm (2.0 inches)87%moderate
April Weather10°C (50°F)35 mm (1.4 inches)81%moderate
May Weather14°C (58°F)57 mm (2.3 inches)71%high
June Weather20°C (69°F)51 mm (2.0 inches)75%very high
July Weather20°C (68°F)74 mm (2.9 inches)74%very high
August Weather21°C (69°F)63 mm (2.5 inches)76%high
September Weather16°C (60°F)58 mm (2.3 inches)81%high
October Weather11°C (53°F)62 mm (2.4 inches)85%moderate
November Weather6°C (43°F)41 mm (1.6 inches)88%low
December Weather3°C (38°F)55 mm (2.2 inches)92%low

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