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September Weather in Prostki, Poland

Last updated: August 27, 2025

In September, the average temperature in Prostki, Poland hovers around 14°C (57°F), with a minimum dropping to 1°C (34°F) and a maximum soaring to 28°C (83°F). Expect 73 mm (2.9 in) of precipitation spread over 10 days, accompanied by a comfortable average humidity of 71%.

September Temperature in Prostki

In September in Prostki, the average temperature is 14°C (57°F). Maximums can reach 28°C (83°F), and minimums can be as low as 1°C (34°F). This diverse temperature range makes Prostki a great destination for travelers seeking both warm days and cooler nights.

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

The chart illustrates September temperature patterns in Prostki, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Prostki, September typically has an average temperature of 14°C (57°F), with highs reaching up to 28°C (83°F) and lows dropping to around 1°C (34°F).
JanFebMarAprMayJunJulAugSepOctNovDec293036455565666557484033
Data source: Temperature data for Prostki 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 Prostki

In Prostki in September, the precipitation amount is 73 mm (2.9 in) over the course of 10 days.

September Precipitation Trends in Prostki

The chart displays monthly precipitation patterns in Prostki, 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 Prostki, September typically receives around 73 mm (2.9 inches) of precipitation spread over approximately 10 days.
JanFebMarAprMayJunJulAugSepOctNovDec423842407562988773643856
Data source: Precipitation data for September generated using information from the Copernicus Climate Change Service.
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September Humidity in Prostki

In Prostki in September, humidity is 71%. With an average temperature of 14°C (57°F), this humidity feels like a damp blanket enveloping you, making outdoor activities less enjoyable and encouraging visitors to seek refuge in shaded spots or air-conditioned spaces.

September Average Humidity in Prostki

This chart illustrates the average monthly humidity levels in Prostki, 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 Prostki is approximately 71%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec92%90%87%76%58%56%59%60%71%86%90%93%
Data source: Humidity data for September generated using information from the Copernicus Climate Change Service.

September UV Index in Prostki

In Prostki 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 Prostki.

Maximum UV Index Levels in Prostki for September

The chart shows the monthly maximum UV Index (UVI) for Prostki 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 Prostki typically reaches 5, which falls under the moderate exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec124567765321
Data source: Prostki 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 Prostki Compares to Other Months

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

This table compares monthly weather conditions in Prostki, showing how September’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather-2°C (29°F)42 mm (1.7 inches)92%low
February Weather-1°C (31°F)38 mm (1.5 inches)90%low
March Weather2°C (37°F)42 mm (1.7 inches)87%moderate
April Weather7°C (46°F)40 mm (1.6 inches)76%moderate
May Weather13°C (55°F)75 mm (2.9 inches)58%high
June Weather18°C (65°F)62 mm (2.4 inches)56%high
July Weather19°C (66°F)98 mm (3.8 inches)59%high
August Weather18°C (65°F)86 mm (3.4 inches)60%high
September Weather14°C (57°F)73 mm (2.9 inches)71%moderate
October Weather9°C (49°F)64 mm (2.5 inches)86%moderate
November Weather5°C (41°F)38 mm (1.5 inches)90%low
December Weather0°C (33°F)56 mm (2.2 inches)93%low

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