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September Weather in Slupca, Poland

Last updated: August 27, 2025

In September, the average temperature in Slupca, Poland hovers around 15°C (60°F). Temperatures can range from a chilly 2°C (37°F) to a warm 34°C (93°F). Expect about 65 mm (2.6 in) of precipitation over 11 days and enjoy a comfortable average humidity of 75%.

September Temperature in Slupca

In September, in Slupca, the average temperature is 15°C (60°F). Maximum temperatures can reach 34°C (93°F), while minimums can drop as low as 2°C (37°F). Be prepared for a wide range of temperatures when packing for your trip!

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

The chart illustrates September temperature patterns in Slupca, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Slupca, September typically has an average temperature of 15°C (60°F), with highs reaching up to 34°C (93°F) and lows dropping to around 2°C (37°F).
JanFebMarAprMayJunJulAugSepOctNovDec333540485767676859514336
Data source: Temperature data for Slupca 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 Slupca

In Slupca in September, the precipitation amount is 65 mm (2.6 in) over a span of 11 days.

September Precipitation Trends in Slupca

The chart displays monthly precipitation patterns in Slupca, 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 Slupca, September typically receives around 65 mm (2.6 inches) of precipitation spread over approximately 11 days.
JanFebMarAprMayJunJulAugSepOctNovDec414539367176866965583746
Data source: Precipitation data for September generated using information from the Copernicus Climate Change Service.
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September Humidity in Slupca

In Slupca in September, humidity is 75%. With an average temperature of 15°C (60°F), this humidity feels like a warm, heavy blanket wrapping around you, making outdoor activities slightly uncomfortable and requiring extra hydration while exploring the sights.

September Average Humidity in Slupca

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

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

Maximum UV Index Levels in Slupca for September

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

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

This table compares monthly weather conditions in Slupca, showing how September’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather1°C (33°F)41 mm (1.6 inches)91%low
February Weather1°C (35°F)45 mm (1.8 inches)90%low
March Weather4°C (40°F)39 mm (1.5 inches)87%moderate
April Weather9°C (48°F)36 mm (1.4 inches)79%moderate
May Weather14°C (57°F)71 mm (2.8 inches)63%high
June Weather20°C (67°F)76 mm (3.0 inches)61%very high
July Weather20°C (68°F)86 mm (3.4 inches)63%very high
August Weather20°C (69°F)69 mm (2.7 inches)65%high
September Weather15°C (60°F)65 mm (2.6 inches)75%high
October Weather11°C (52°F)58 mm (2.3 inches)85%moderate
November Weather6°C (43°F)36 mm (1.4 inches)90%low
December Weather2°C (36°F)46 mm (1.8 inches)93%low

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