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September Weather in Grudziadz, Poland

Last updated: August 27, 2025

In September, the average temperature in Grudziadz, Poland is a pleasant 15°C (59°F). Visitors can expect a minimum of 2°C (36°F) and a maximum of 31°C (89°F), offering a nice range for activities. With an average humidity of 75%, it’s important to stay hydrated. Additionally, anticipate around 71 mm (2.8 in) of precipitation over approximately 10 days, making it wise to plan for some occasional showers.

September Temperature in Grudziadz

In September in Grudziadz, the average temperature is 15°C (59°F). Maximums can reach up to 31°C (89°F), while minimums can drop as low as 2°C (36°F). Travelers should prepare for a wide range of temperatures and pack accordingly.

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

The chart illustrates September temperature patterns in Grudziadz, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Grudziadz, September typically has an average temperature of 15°C (59°F), with highs reaching up to 31°C (89°F) and lows dropping to around 2°C (36°F).
JanFebMarAprMayJunJulAugSepOctNovDec323338465565666658504235
Data source: Temperature data for Grudziadz 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 Grudziadz

In Grudziadz in September, the precipitation amount is 71 mm (2.8 in) over a duration of 10 days.

September Precipitation Trends in Grudziadz

The chart displays monthly precipitation patterns in Grudziadz, 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 Grudziadz, September typically receives around 71 mm (2.8 inches) of precipitation spread over approximately 10 days.
JanFebMarAprMayJunJulAugSepOctNovDec4240393984751046671633847
Data source: Precipitation data for September generated using information from the Copernicus Climate Change Service.
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September Humidity in Grudziadz

In Grudziadz in September, humidity is 75%. With an average temperature of 15°C (59°F), this humidity feels like a warm blanket enveloping you, making it feel more oppressive than refreshing, which can be a challenge for travelers seeking comfort while exploring the area.

September Average Humidity in Grudziadz

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

In Grudziadz 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 Grudziadz.

Maximum UV Index Levels in Grudziadz for September

The chart shows the monthly maximum UV Index (UVI) for Grudziadz 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 Grudziadz typically reaches 5, which falls under the moderate exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec124568865321
Data source: Grudziadz 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 Grudziadz Compares to Other Months

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

This table compares monthly weather conditions in Grudziadz, showing how September’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather0°C (33°F)42 mm (1.6 inches)91%low
February Weather0°C (33°F)40 mm (1.6 inches)90%low
March Weather4°C (39°F)39 mm (1.5 inches)87%moderate
April Weather8°C (47°F)39 mm (1.5 inches)79%moderate
May Weather13°C (55°F)84 mm (3.3 inches)63%high
June Weather18°C (65°F)75 mm (2.9 inches)61%very high
July Weather19°C (66°F)104 mm (4.1 inches)63%very high
August Weather19°C (66°F)66 mm (2.6 inches)65%high
September Weather15°C (59°F)71 mm (2.8 inches)75%moderate
October Weather10°C (51°F)63 mm (2.5 inches)85%moderate
November Weather6°C (42°F)38 mm (1.5 inches)90%low
December Weather2°C (35°F)47 mm (1.8 inches)93%low

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