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September Weather in Plesna, Poland

Last updated: August 27, 2025

In September, the average temperature in Plesna, Poland hovers around 15°C (60°F). Expect a range where the minimum dips to 2°C (36°F) and the maximum soars to 31°C (89°F). Be prepared for occasional rain with an average precipitation of 95 mm (3.7 in) spread over 12 days. Don't forget to account for a comfortable humidity level of 69%!

September Temperature in Plesna

In September in Plesna, the average temperature is 15°C (60°F). Maximums can reach 31°C (89°F), while minimums can drop to as low as 2°C (36°F). This range makes Plesna a great destination for travelers seeking a mix of warm and cool weather.

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

The chart illustrates September temperature patterns in Plesna, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Plesna, September typically has an average temperature of 15°C (60°F), with highs reaching up to 31°C (89°F) and lows dropping to around 2°C (36°F).
JanFebMarAprMayJunJulAugSepOctNovDec313440495767686859524335
Data source: Temperature data for Plesna 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 Plesna

In Plesna in September, the precipitation amount is 95 mm (3.7 in) over the course of 12 days.

September Precipitation Trends in Plesna

The chart displays monthly precipitation patterns in Plesna, 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 Plesna, September typically receives around 95 mm (3.7 inches) of precipitation spread over approximately 12 days.
JanFebMarAprMayJunJulAugSepOctNovDec425845641028310110795795363
Data source: Precipitation data for September generated using information from the Copernicus Climate Change Service.
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September Humidity in Plesna

In Plesna in September, humidity is 69%. With an average temperature of 15°C (60°F), this humidity feels like a cool, damp embrace that can make outdoor activities feel slightly heavier and more exhausting, but still inviting for exploring the charming sights and sounds of the area.

September Average Humidity in Plesna

This chart illustrates the average monthly humidity levels in Plesna, 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 Plesna is approximately 69%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec91%88%86%77%69%69%63%59%69%85%90%91%
Data source: Humidity data for September generated using information from the Copernicus Climate Change Service.

September UV Index in Plesna

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

Maximum UV Index Levels in Plesna for September

The chart shows the monthly maximum UV Index (UVI) for Plesna 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 Plesna typically reaches 6, which falls under the high exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec224578876421
Data source: Plesna 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 Plesna Compares to Other Months

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

This table compares monthly weather conditions in Plesna, showing how September’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather-1°C (31°F)42 mm (1.7 inches)91%low
February Weather1°C (35°F)58 mm (2.3 inches)88%low
March Weather4°C (40°F)45 mm (1.8 inches)86%moderate
April Weather10°C (49°F)64 mm (2.5 inches)77%moderate
May Weather14°C (58°F)102 mm (4.0 inches)69%high
June Weather20°C (68°F)83 mm (3.3 inches)69%very high
July Weather20°C (68°F)101 mm (4.0 inches)63%very high
August Weather20°C (69°F)107 mm (4.2 inches)59%high
September Weather15°C (60°F)95 mm (3.7 inches)69%high
October Weather11°C (52°F)79 mm (3.1 inches)85%moderate
November Weather6°C (43°F)53 mm (2.1 inches)90%low
December Weather2°C (35°F)63 mm (2.5 inches)91%low

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