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September Weather in Kostrzyn, Poland

Last updated: August 27, 2025

In September, the average temperature in Kostrzyn, Poland hovers around 15°C (59°F), with a minimum of 2°C (37°F) and a maximum of 33°C (93°F). Expect about 59 mm (2.3 in) of precipitation spread over 10 days, contributing to an average humidity of 78%. Perfect for those who enjoy a gentle mix of warmth and occasional showers!

September Temperature in Kostrzyn

In September in Kostrzyn, the average temperature is 15°C (59°F), with maximums reaching up to 33°C (93°F) and minimums dipping as low as 2°C (37°F). Be sure to pack layers for your trip to Kostrzyn to comfortably adapt to the varying temperatures!

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

The chart illustrates September temperature patterns in Kostrzyn, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Kostrzyn, September typically has an average temperature of 15°C (59°F), with highs reaching up to 33°C (93°F) and lows dropping to around 2°C (37°F).
JanFebMarAprMayJunJulAugSepOctNovDec333539485666676859514336
Data source: Temperature data for Kostrzyn 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 Kostrzyn

In Kostrzyn in September, the precipitation amount is 59 mm (2.3 in) over the course of 10 days.

September Precipitation Trends in Kostrzyn

The chart displays monthly precipitation patterns in Kostrzyn, 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 Kostrzyn, September typically receives around 59 mm (2.3 inches) of precipitation spread over approximately 10 days.
JanFebMarAprMayJunJulAugSepOctNovDec454341367374996659624046
Data source: Precipitation data for September generated using information from the Copernicus Climate Change Service.
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September Humidity in Kostrzyn

In Kostrzyn in September, humidity is 78%. With an average temperature of 15°C (59°F), this humidity feels like a warm, enveloping blanket that clings to your skin, making outdoor activities a bit more tiring and requiring frequent breaks for hydration as you explore the area.

September Average Humidity in Kostrzyn

This chart illustrates the average monthly humidity levels in Kostrzyn, 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 Kostrzyn is approximately 78%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec91%90%87%81%67%67%67%67%78%84%89%92%
Data source: Humidity data for September generated using information from the Copernicus Climate Change Service.

September UV Index in Kostrzyn

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

Maximum UV Index Levels in Kostrzyn for September

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

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

This table compares monthly weather conditions in Kostrzyn, showing how September’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather1°C (33°F)45 mm (1.8 inches)90%low
February Weather1°C (35°F)43 mm (1.7 inches)90%low
March Weather4°C (40°F)41 mm (1.6 inches)87%moderate
April Weather9°C (48°F)36 mm (1.4 inches)80%moderate
May Weather13°C (56°F)73 mm (2.9 inches)67%high
June Weather19°C (67°F)74 mm (2.9 inches)67%very high
July Weather19°C (67°F)99 mm (3.9 inches)67%very high
August Weather20°C (68°F)66 mm (2.6 inches)67%high
September Weather15°C (59°F)59 mm (2.3 inches)78%high
October Weather11°C (51°F)62 mm (2.4 inches)84%moderate
November Weather6°C (43°F)40 mm (1.6 inches)89%low
December Weather2°C (36°F)46 mm (1.8 inches)92%low

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