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September Weather in Sosno, Poland

Last updated: August 27, 2025

In September, the average temperature in Sosno, Poland reaches a comfortable 14°C (58°F), making it a pleasant time to visit. Be prepared for temperatures to range from a cool 2°C (37°F) to a warm 32°C (91°F). Expect about 65 mm (2.5 in) of precipitation over 9 days, and with an average humidity of 75%, it’s a good idea to pack accordingly!

September Temperature in Sosno

In September in Sosno, the average temperature is 14°C (58°F), with a maximum that can reach 32°C (91°F) and a minimum that can dip as low as 2°C (37°F). It's a great time to visit, as you can experience a pleasant variety of weather conditions suitable for outdoor activities.

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

The chart illustrates September temperature patterns in Sosno, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Sosno, September typically has an average temperature of 14°C (58°F), with highs reaching up to 32°C (91°F) and lows dropping to around 2°C (37°F).
JanFebMarAprMayJunJulAugSepOctNovDec323338465464656558504235
Data source: Temperature data for Sosno 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 Sosno

In Sosno in September, the precipitation amount is 65 mm (2.5 in) over the course of 9 days.

September Precipitation Trends in Sosno

The chart displays monthly precipitation patterns in Sosno, 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 Sosno, September typically receives around 65 mm (2.5 inches) of precipitation spread over approximately 9 days.
JanFebMarAprMayJunJulAugSepOctNovDec4439424074781096465653845
Data source: Precipitation data for September generated using information from the Copernicus Climate Change Service.
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September Humidity in Sosno

In Sosno in September humidity is 75%. With an average temperature of 14°C (58°F), this humidity feels like a lingering blanket of warmth, making travel both refreshing and a bit stifling, as the moisture in the air may leave you feeling slightly sticky while enjoying outdoor adventures.

September Average Humidity in Sosno

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

In Sosno 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 Sosno.

Maximum UV Index Levels in Sosno for September

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

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

This table compares monthly weather conditions in Sosno, showing how September’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather0°C (33°F)44 mm (1.7 inches)91%low
February Weather1°C (33°F)39 mm (1.5 inches)90%low
March Weather3°C (38°F)42 mm (1.7 inches)87%moderate
April Weather8°C (46°F)40 mm (1.6 inches)79%moderate
May Weather12°C (54°F)74 mm (2.9 inches)63%high
June Weather18°C (65°F)78 mm (3.1 inches)61%very high
July Weather18°C (65°F)109 mm (4.3 inches)63%very high
August Weather18°C (66°F)64 mm (2.5 inches)65%high
September Weather14°C (58°F)65 mm (2.5 inches)75%moderate
October Weather10°C (50°F)65 mm (2.5 inches)85%moderate
November Weather5°C (42°F)38 mm (1.5 inches)90%low
December Weather1°C (35°F)45 mm (1.8 inches)93%low

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