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September Weather in Osieciny, Poland

Last updated: August 27, 2025

In September, the average temperature in Osieciny, Poland hovers around 15°C (59°F). Be prepared for a range, as temperatures can dip as low as 3°C (37°F) and soar to a maximum of 32°C (91°F). On average, expect 79 mm (3.1 in) of precipitation spread over 11 days, with humidity levels around 75%.

September Temperature in Osieciny

In September in Osieciny, the average temperature is 15°C (59°F). The maximum can reach 32°C (91°F), and the minimum can be as low as 3°C (37°F). Travelers should be prepared for a range of temperatures and pack accordingly.

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

The chart illustrates September temperature patterns in Osieciny, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Osieciny, September typically has an average temperature of 15°C (59°F), with highs reaching up to 32°C (91°F) and lows dropping to around 3°C (37°F).
JanFebMarAprMayJunJulAugSepOctNovDec333439485666676759514235
Data source: Temperature data for Osieciny 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 Osieciny

In Osieciny in September, the total precipitation amount is 79 mm (3.1 in), falling over the course of 11 days.

September Precipitation Trends in Osieciny

The chart displays monthly precipitation patterns in Osieciny, 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 Osieciny, September typically receives around 79 mm (3.1 inches) of precipitation spread over approximately 11 days.
JanFebMarAprMayJunJulAugSepOctNovDec404439367968907079633647
Data source: Precipitation data for September generated using information from the Copernicus Climate Change Service.
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September Humidity in Osieciny

In Osieciny 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 Osieciny

This chart illustrates the average monthly humidity levels in Osieciny, 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 Osieciny 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 Osieciny

In Osieciny 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 Osieciny.

Maximum UV Index Levels in Osieciny for September

The chart shows the monthly maximum UV Index (UVI) for Osieciny 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 Osieciny typically reaches 5, which falls under the moderate exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec124568875321
Data source: Osieciny 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 Osieciny Compares to Other Months

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

This table compares monthly weather conditions in Osieciny, showing how September’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather0°C (33°F)40 mm (1.6 inches)91%low
February Weather1°C (34°F)44 mm (1.7 inches)90%low
March Weather4°C (39°F)39 mm (1.5 inches)87%moderate
April Weather9°C (48°F)36 mm (1.4 inches)79%moderate
May Weather13°C (56°F)79 mm (3.1 inches)63%high
June Weather19°C (66°F)68 mm (2.7 inches)61%very high
July Weather19°C (67°F)90 mm (3.5 inches)63%very high
August Weather19°C (67°F)70 mm (2.8 inches)65%high
September Weather15°C (59°F)79 mm (3.1 inches)75%moderate
October Weather10°C (51°F)63 mm (2.5 inches)85%moderate
November Weather6°C (43°F)36 mm (1.4 inches)90%low
December Weather2°C (35°F)47 mm (1.8 inches)93%low

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