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September Weather in Grudusk, Poland

Last updated: August 27, 2025

In Grudusk, Poland, the average temperature in September hovers around 14°C (58°F), with a minimum dip to 2°C (35°F) and peaks reaching 31°C (88°F). Expect 77 mm (3.0 in) of precipitation spread over 12 days, and enjoy a comfortable average humidity of 71%.

September Temperature in Grudusk

In September in Grudusk, the average temperature is 14°C (58°F). The maximum can reach 31°C (88°F) and the minimum can be as low as 2°C (35°F). It’s advisable to pack layers to accommodate for both warm days and cooler nights when traveling during this time.

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

The chart illustrates September temperature patterns in Grudusk, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Grudusk, September typically has an average temperature of 14°C (58°F), with highs reaching up to 31°C (88°F) and lows dropping to around 2°C (35°F).
JanFebMarAprMayJunJulAugSepOctNovDec303237465566666658494134
Data source: Temperature data for Grudusk 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 Grudusk

In Grudusk in September, the precipitation amount is 77 mm (3.0 in) spread over 12 days.

September Precipitation Trends in Grudusk

The chart displays monthly precipitation patterns in Grudusk, 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 Grudusk, September typically receives around 77 mm (3.0 inches) of precipitation spread over approximately 12 days.
JanFebMarAprMayJunJulAugSepOctNovDec414442378873907477633348
Data source: Precipitation data for September generated using information from the Copernicus Climate Change Service.
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September Humidity in Grudusk

In Grudusk in September humidity is 71%. With an average temperature of 14°C (58°F), this humidity feels like a damp embrace, making it essential for travelers to pack light, breathable clothing and stay hydrated while exploring the sights.

September Average Humidity in Grudusk

This chart illustrates the average monthly humidity levels in Grudusk, 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 Grudusk is approximately 71%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec92%90%87%76%58%56%59%60%71%86%90%93%
Data source: Humidity data for September generated using information from the Copernicus Climate Change Service.

September UV Index in Grudusk

In Grudusk 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 Grudusk.

Maximum UV Index Levels in Grudusk for September

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

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

This table compares monthly weather conditions in Grudusk, showing how September’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather-1°C (31°F)41 mm (1.6 inches)92%low
February Weather0°C (32°F)44 mm (1.7 inches)90%low
March Weather3°C (38°F)42 mm (1.6 inches)87%moderate
April Weather8°C (47°F)37 mm (1.5 inches)76%moderate
May Weather13°C (56°F)88 mm (3.5 inches)58%high
June Weather19°C (66°F)73 mm (2.9 inches)56%very high
July Weather19°C (66°F)90 mm (3.6 inches)59%very high
August Weather19°C (66°F)73 mm (2.9 inches)60%high
September Weather14°C (58°F)77 mm (3.0 inches)71%moderate
October Weather10°C (50°F)63 mm (2.5 inches)86%moderate
November Weather5°C (41°F)33 mm (1.3 inches)90%low
December Weather1°C (34°F)48 mm (1.9 inches)93%low

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