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September Weather in Sosnowka, Poland

Last updated: August 27, 2025

In September, the average temperature in Sosnowka, Poland is a pleasant 15°C (59°F). Expect temperatures to range from a chilly 1°C (35°F) to a warm 30°C (86°F). With an average precipitation of 74 mm (2.9 in) spread over 12 days, you might want to carry an umbrella! The air tends to be fairly humid, with an average humidity of 70%, making this month a unique blend of coolness and warmth.

September Temperature in Sosnowka

In September in Sosnowka, the average temperature is 15°C (59°F). Maximum temperatures can reach as high as 30°C (86°F), while minimum temperatures can dip down to 1°C (35°F). This range makes Sosnowka an ideal destination for travelers seeking a mix of mild weather and the opportunity for outdoor activities.

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

The chart illustrates September temperature patterns in Sosnowka, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Sosnowka, 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 1°C (35°F).
JanFebMarAprMayJunJulAugSepOctNovDec303238475768686758504134
Data source: Temperature data for Sosnowka 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 Sosnowka

In Sosnowka in September, the precipitation amount is 74 mm (2.9 in) over a span of 12 days.

September Precipitation Trends in Sosnowka

The chart displays monthly precipitation patterns in Sosnowka, 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 Sosnowka, September typically receives around 74 mm (2.9 inches) of precipitation spread over approximately 12 days.
JanFebMarAprMayJunJulAugSepOctNovDec404341498281829674613453
Data source: Precipitation data for September generated using information from the Copernicus Climate Change Service.
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September Humidity in Sosnowka

In Sosnowka 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 Sosnowka

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

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

Maximum UV Index Levels in Sosnowka for September

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

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

This table compares monthly weather conditions in Sosnowka, showing how September’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather-1°C (30°F)40 mm (1.6 inches)92%low
February Weather0°C (32°F)43 mm (1.7 inches)89%low
March Weather3°C (38°F)41 mm (1.6 inches)87%moderate
April Weather9°C (48°F)49 mm (1.9 inches)77%moderate
May Weather14°C (57°F)82 mm (3.2 inches)62%high
June Weather20°C (68°F)81 mm (3.2 inches)61%very high
July Weather20°C (68°F)82 mm (3.2 inches)60%very high
August Weather20°C (68°F)96 mm (3.8 inches)60%high
September Weather15°C (59°F)74 mm (2.9 inches)70%high
October Weather10°C (50°F)61 mm (2.4 inches)86%moderate
November Weather5°C (41°F)34 mm (1.3 inches)90%low
December Weather1°C (34°F)53 mm (2.1 inches)92%low

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