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September Weather in Ostrowy, Poland

Last updated: August 27, 2025

In Ostrowy, Poland, the average temperature in September hovers around 15°C (59°F), providing a comfortable atmosphere for outdoor activities. Expect a minimum chill of 2°C (36°F), while the mercury can rise as high as 32°C (90°F). This month sees a total precipitation of 80 mm (3.1 in) spread over 11 days, contributing to an average humidity of 75%. Be prepared for both sun and showers!

September Temperature in Ostrowy

In September in Ostrowy, the average temperature is 15°C (59°F). Maximum temperatures can reach 32°C (90°F), while minimums can drop as low as 2°C (36°F). Be prepared for a wide range of temperatures when traveling during this month.

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

The chart illustrates September temperature patterns in Ostrowy, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Ostrowy, September typically has an average temperature of 15°C (59°F), with highs reaching up to 32°C (90°F) and lows dropping to around 2°C (36°F).
JanFebMarAprMayJunJulAugSepOctNovDec323439485667676859514235
Data source: Temperature data for Ostrowy 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 Ostrowy

In Ostrowy in September, the precipitation amount is 80 mm (3.1 in) spread over a duration of 11 days.

September Precipitation Trends in Ostrowy

The chart displays monthly precipitation patterns in Ostrowy, 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 Ostrowy, September typically receives around 80 mm (3.1 inches) of precipitation spread over approximately 11 days.
JanFebMarAprMayJunJulAugSepOctNovDec414539378072747380633246
Data source: Precipitation data for September generated using information from the Copernicus Climate Change Service.
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September Humidity in Ostrowy

In Ostrowy in September, humidity is 75%. With an average temperature of 15°C (59°F), this humidity feels like a warm blanket enveloping you, making it feel more oppressive than refreshing, which can be a challenge for travelers seeking comfort while exploring the area.

September Average Humidity in Ostrowy

This chart illustrates the average monthly humidity levels in Ostrowy, 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 Ostrowy is approximately 75%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec91%90%87%79%63%61%63%65%75%85%90%93%
Data source: Humidity data for September generated using information from the Copernicus Climate Change Service.

September UV Index in Ostrowy

In Ostrowy in September, the maximum UV index reaches 5, which corresponds to a moderate Exposure Category. Under these conditions, the estimated time to burn is approximately 30 minutes. For more details, you can check the Hourly UV Index in Ostrowy.

Maximum UV Index Levels in Ostrowy for September

The chart shows the monthly maximum UV Index (UVI) for Ostrowy 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 Ostrowy typically reaches 5, which falls under the moderate exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec124578875321
Data source: Ostrowy 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 Ostrowy Compares to Other Months

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

This table compares monthly weather conditions in Ostrowy, showing how September’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather0°C (32°F)41 mm (1.6 inches)91%low
February Weather1°C (34°F)45 mm (1.8 inches)90%low
March Weather4°C (39°F)39 mm (1.5 inches)87%moderate
April Weather9°C (48°F)37 mm (1.5 inches)79%moderate
May Weather13°C (56°F)80 mm (3.2 inches)63%high
June Weather19°C (67°F)72 mm (2.8 inches)61%very high
July Weather20°C (68°F)74 mm (2.9 inches)63%very high
August Weather20°C (68°F)73 mm (2.9 inches)65%high
September Weather15°C (59°F)80 mm (3.1 inches)75%moderate
October Weather10°C (51°F)63 mm (2.5 inches)85%moderate
November Weather6°C (42°F)32 mm (1.3 inches)90%low
December Weather2°C (35°F)46 mm (1.8 inches)93%low

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