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September Weather in Sosnowica, Poland

Last updated: August 27, 2025

In Sosnowica, Poland, the average temperature in September hovers around 15°C (59°F), offering a pleasant climate. Expect a range where the minimum can drop to 2°C (35°F) and the maximum can reach a warm 30°C (86°F). Throughout the month, anticipate 80 mm (3.2 in) of precipitation over approximately 11 days, and enjoy a comfortable average humidity level of 70%.

September Temperature in Sosnowica

In September in Sosnowica, the average temperature is 15°C (59°F), with maximums reaching up to 30°C (86°F) and minimums dropping as low as 2°C (35°F). This variability makes it advisable for travelers to pack layers to comfortably accommodate both warm afternoons and chilly evenings.

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

The chart illustrates September temperature patterns in Sosnowica, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Sosnowica, September typically has an average temperature of 15°C (59°F), with highs reaching up to 30°C (86°F) and lows dropping to around 2°C (35°F).
JanFebMarAprMayJunJulAugSepOctNovDec303238485768686859504134
Data source: Temperature data for Sosnowica 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 Sosnowica

In Sosnowica in September, the precipitation amount is 80 mm (3.2 in) spread over 11 days.

September Precipitation Trends in Sosnowica

The chart displays monthly precipitation patterns in Sosnowica, 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 Sosnowica, September typically receives around 80 mm (3.2 inches) of precipitation spread over approximately 11 days.
JanFebMarAprMayJunJulAugSepOctNovDec394541487582879980623553
Data source: Precipitation data for September generated using information from the Copernicus Climate Change Service.
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September Humidity in Sosnowica

In Sosnowica in September, humidity is 70%. With an average temperature of 15°C (59°F), this humidity feels like a warm embrace, making it slightly uncomfortable while traveling, as the moist air clings to your skin and can leave you feeling slightly lethargic.

September Average Humidity in Sosnowica

This chart illustrates the average monthly humidity levels in Sosnowica, 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 Sosnowica is approximately 70%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec92%90%88%77%62%61%61%60%70%86%90%92%
Data source: Humidity data for September generated using information from the Copernicus Climate Change Service.

September UV Index in Sosnowica

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

Maximum UV Index Levels in Sosnowica for September

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

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

This table compares monthly weather conditions in Sosnowica, showing how September’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather-1°C (30°F)39 mm (1.5 inches)92%low
February Weather0°C (32°F)45 mm (1.8 inches)89%low
March Weather3°C (38°F)40 mm (1.6 inches)87%moderate
April Weather9°C (48°F)48 mm (1.9 inches)77%moderate
May Weather14°C (57°F)75 mm (3.0 inches)62%high
June Weather20°C (68°F)82 mm (3.2 inches)61%very high
July Weather20°C (68°F)87 mm (3.4 inches)60%very high
August Weather20°C (68°F)99 mm (3.9 inches)60%high
September Weather15°C (59°F)80 mm (3.2 inches)70%high
October Weather10°C (50°F)62 mm (2.5 inches)86%moderate
November Weather5°C (42°F)35 mm (1.4 inches)90%low
December Weather1°C (34°F)53 mm (2.1 inches)92%low

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