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September Weather in Koscielec, Poland

Last updated: August 27, 2025

In Koscielec, Poland, the average temperature in September hovers around 15°C (60°F), with extremes ranging from a brisk 2°C (35°F) to a warm 32°C (90°F). Expect about 93 mm (3.7 in) of precipitation spread over 11 days, contributing to an average humidity of 68%. Whether you're planning outdoor adventures or cozy indoor activities, be prepared for a mix of weather!

September Temperature in Koscielec

In September, in Koscielec, the average temperature is 15°C (60°F), with maximums reaching 32°C (90°F) and minimums dipping as low as 2°C (35°F). This weather makes Koscielec an ideal destination for travelers looking to experience a variety of climates during their visit.

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

The chart illustrates September temperature patterns in Koscielec, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Koscielec, September typically has an average temperature of 15°C (60°F), with highs reaching up to 32°C (90°F) and lows dropping to around 2°C (35°F).
JanFebMarAprMayJunJulAugSepOctNovDec313540495768686960514235
Data source: Temperature data for Koscielec 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 Koscielec

In Koscielec in September, the precipitation amount is 93 mm (3.7 in) over the course of 11 days, indicating that rain is expected to be fairly frequent during that time.

September Precipitation Trends in Koscielec

The chart displays monthly precipitation patterns in Koscielec, 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 Koscielec, September typically receives around 93 mm (3.7 inches) of precipitation spread over approximately 11 days.
JanFebMarAprMayJunJulAugSepOctNovDec3448405991709111493724448
Data source: Precipitation data for September generated using information from the Copernicus Climate Change Service.
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September Humidity in Koscielec

In Koscielec in September humidity is 68%. With an average temperature of 15°C (60°F), this humidity feels like a warm blanket enveloping you, making it comfortable for leisurely strolls but slightly sticky if you're engaging in more strenuous activities while traveling.

September Average Humidity in Koscielec

This chart illustrates the average monthly humidity levels in Koscielec, 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 Koscielec is approximately 68%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec91%89%86%76%58%56%56%55%68%84%89%91%
Data source: Humidity data for September generated using information from the Copernicus Climate Change Service.

September UV Index in Koscielec

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

Maximum UV Index Levels in Koscielec for September

The chart shows the monthly maximum UV Index (UVI) for Koscielec 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 Koscielec typically reaches 6, which falls under the high exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec224678876421
Data source: Koscielec 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 Koscielec Compares to Other Months

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

This table compares monthly weather conditions in Koscielec, showing how September’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather-1°C (31°F)33 mm (1.3 inches)91%low
February Weather1°C (35°F)48 mm (1.9 inches)89%low
March Weather4°C (40°F)40 mm (1.6 inches)86%moderate
April Weather9°C (49°F)59 mm (2.3 inches)76%high
May Weather14°C (58°F)91 mm (3.6 inches)58%high
June Weather20°C (68°F)69 mm (2.7 inches)56%very high
July Weather20°C (69°F)91 mm (3.6 inches)56%very high
August Weather20°C (69°F)114 mm (4.5 inches)55%high
September Weather15°C (60°F)93 mm (3.7 inches)68%high
October Weather11°C (51°F)72 mm (2.8 inches)84%moderate
November Weather6°C (42°F)44 mm (1.7 inches)89%low
December Weather2°C (35°F)48 mm (1.9 inches)91%low

Compare Koscielec's Climate with Cities Worldwide