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September Weather in Swierze, Poland

Last updated: August 27, 2025

In Swierze, Poland, the average temperature in September hovers around 15°C (59°F). Expect a minimum of 2°C (35°F) and a maximum that can reach up to 28°C (83°F). During this month, precipitation measures around 75 mm (3.0 in) spread over 11 days, with an average humidity of 70%. Stay prepared for a variety of weather as you explore this vibrant destination!

September Temperature in Swierze

In September in Swierze, the average temperature is 15°C (59°F), with maximums reaching 28°C (83°F) and minimums dropping to as low as 2°C (35°F). It's a great time to visit for those who enjoy mild weather and the opportunity to experience a range of temperatures.

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

The chart illustrates September temperature patterns in Swierze, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Swierze, September typically has an average temperature of 15°C (59°F), with highs reaching up to 28°C (83°F) and lows dropping to around 2°C (35°F).
JanFebMarAprMayJunJulAugSepOctNovDec293238485767686758504134
Data source: Temperature data for Swierze 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 Swierze

In Swierze in September, the precipitation amount is 75 mm (3.0 in) over a span of 11 days.

September Precipitation Trends in Swierze

The chart displays monthly precipitation patterns in Swierze, 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 Swierze, September typically receives around 75 mm (3.0 inches) of precipitation spread over approximately 11 days.
JanFebMarAprMayJunJulAugSepOctNovDec394944448794868475603756
Data source: Precipitation data for September generated using information from the Copernicus Climate Change Service.
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September Humidity in Swierze

In Swierze 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 Swierze

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

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

Maximum UV Index Levels in Swierze for September

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

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

This table compares monthly weather conditions in Swierze, 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)49 mm (1.9 inches)89%low
March Weather3°C (38°F)44 mm (1.7 inches)87%moderate
April Weather9°C (48°F)44 mm (1.7 inches)77%moderate
May Weather14°C (57°F)87 mm (3.4 inches)62%high
June Weather19°C (67°F)94 mm (3.7 inches)61%very high
July Weather20°C (68°F)86 mm (3.4 inches)60%very high
August Weather20°C (68°F)84 mm (3.3 inches)60%high
September Weather15°C (59°F)75 mm (3.0 inches)70%high
October Weather10°C (50°F)60 mm (2.4 inches)86%moderate
November Weather5°C (41°F)37 mm (1.4 inches)90%low
December Weather1°C (34°F)56 mm (2.2 inches)92%low

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