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September Weather in Sieciechowice, Poland

Last updated: August 27, 2025

In September, the average temperature in Sieciechowice, Poland hovers around 15°C (59°F). Visitors can expect a range, with minimums dropping to 1°C (35°F) and maximums soaring to 30°C (87°F). The month brings about 101 mm (4.0 in) of precipitation over approximately 12 days, contributing to an average humidity of 72%.

September Temperature in Sieciechowice

In September in Sieciechowice, the average temperature is 15°C (59°F), with maximums reaching 30°C (87°F) and minimums diving as low as 1°C (35°F). This makes it a great time for travelers to experience a diverse range of weather, so packing layers is advisable.

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

The chart illustrates September temperature patterns in Sieciechowice, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Sieciechowice, September typically has an average temperature of 15°C (59°F), with highs reaching up to 30°C (87°F) and lows dropping to around 1°C (35°F).
JanFebMarAprMayJunJulAugSepOctNovDec303439485666676859504134
Data source: Temperature data for Sieciechowice 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 Sieciechowice

In Sieciechowice in September, the precipitation amount is 101 mm (4.0 in) spread over 12 days.

September Precipitation Trends in Sieciechowice

The chart displays monthly precipitation patterns in Sieciechowice, 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 Sieciechowice, September typically receives around 101 mm (4.0 inches) of precipitation spread over approximately 12 days.
JanFebMarAprMayJunJulAugSepOctNovDec34514361987492114101724349
Data source: Precipitation data for September generated using information from the Copernicus Climate Change Service.
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September Humidity in Sieciechowice

In Sieciechowice in September humidity is 72%. With an average temperature of 15°C (59°F), this humidity feels like a warm blanket wrapping around you, creating a sultry atmosphere that can make traveling a bit uncomfortable. The stickiness in the air can leave you feeling sluggish, so it’s advisable to stay hydrated and take breaks often while exploring.

September Average Humidity in Sieciechowice

This chart illustrates the average monthly humidity levels in Sieciechowice, 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 Sieciechowice is approximately 72%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec90%88%86%79%65%66%67%67%72%83%90%92%
Data source: Humidity data for September generated using information from the Copernicus Climate Change Service.

September UV Index in Sieciechowice

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

Maximum UV Index Levels in Sieciechowice for September

The chart shows the monthly maximum UV Index (UVI) for Sieciechowice 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 Sieciechowice typically reaches 6, which falls under the high exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec224678876421
Data source: Sieciechowice 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 Sieciechowice Compares to Other Months

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

This table compares monthly weather conditions in Sieciechowice, showing how September’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather-1°C (31°F)34 mm (1.3 inches)90%low
February Weather1°C (34°F)51 mm (2.0 inches)88%low
March Weather4°C (40°F)43 mm (1.7 inches)86%moderate
April Weather9°C (48°F)61 mm (2.4 inches)79%high
May Weather13°C (57°F)98 mm (3.8 inches)65%high
June Weather19°C (67°F)74 mm (2.9 inches)66%very high
July Weather20°C (68°F)92 mm (3.6 inches)67%very high
August Weather20°C (68°F)114 mm (4.5 inches)67%high
September Weather15°C (59°F)101 mm (4.0 inches)72%high
October Weather10°C (51°F)72 mm (2.8 inches)83%moderate
November Weather5°C (42°F)43 mm (1.7 inches)90%low
December Weather1°C (35°F)49 mm (1.9 inches)92%low

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