nomadseason

September Weather in Gralewo, Poland

Last updated: August 27, 2025

In September, the average temperature in Gralewo, Poland is a pleasant 15°C (60°F). Temperatures can vary greatly, with a minimum of 3°C (37°F) and a maximum of 32°C (90°F). Expect around 54 mm (2.1 in) of precipitation spread over 9 days, accompanied by an average humidity level of 78%.

September Temperature in Gralewo

In September in Gralewo, the average temperature is 15°C (60°F). Maximums can reach 32°C (90°F) and minimums can be as low as 3°C (37°F). Be sure to pack layers for your trip, as temperatures can vary greatly throughout the day.

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

The chart illustrates September temperature patterns in Gralewo, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Gralewo, September typically has an average temperature of 15°C (60°F), with highs reaching up to 32°C (90°F) and lows dropping to around 3°C (37°F).
JanFebMarAprMayJunJulAugSepOctNovDec343640485667676859524337
Data source: Temperature data for Gralewo generated using information from the Copernicus Climate Change Service.
Choose your preferred temperature unit
The average of daily temperatures (24 hours) calculated across all days in the month.

September Precipitation in Gralewo

In Gralewo in September, the precipitation amount is 54 mm (2.1 in) over a span of 9 days.

September Precipitation Trends in Gralewo

The chart displays monthly precipitation patterns in Gralewo, 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 Gralewo, September typically receives around 54 mm (2.1 inches) of precipitation spread over approximately 9 days.
JanFebMarAprMayJunJulAugSepOctNovDec554550355948985555614247
Data source: Precipitation data for September generated using information from the Copernicus Climate Change Service.
Choose your preferred precipitation unit

September Humidity in Gralewo

In Gralewo in September, humidity is 78%. With an average temperature of 15°C (60°F), this humidity feels like a warm, damp embrace that can make outdoor activities a bit uncomfortable, highlighting the importance of staying hydrated and taking breaks in the shade while exploring.

September Average Humidity in Gralewo

This chart illustrates the average monthly humidity levels in Gralewo, 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 Gralewo is approximately 78%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec91%90%87%81%67%67%67%67%78%84%89%92%
Data source: Humidity data for September generated using information from the Copernicus Climate Change Service.

September UV Index in Gralewo

In Gralewo 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 Gralewo.

Maximum UV Index Levels in Gralewo for September

The chart shows the monthly maximum UV Index (UVI) for Gralewo 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 Gralewo typically reaches 5, which falls under the moderate exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec124577775321
Data source: Gralewo 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 Gralewo Compares to Other Months

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

This table compares monthly weather conditions in Gralewo, showing how September’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather1°C (35°F)55 mm (2.2 inches)90%low
February Weather2°C (36°F)45 mm (1.8 inches)90%low
March Weather4°C (40°F)50 mm (2.0 inches)87%moderate
April Weather9°C (49°F)35 mm (1.4 inches)80%moderate
May Weather14°C (57°F)59 mm (2.3 inches)67%high
June Weather19°C (67°F)48 mm (1.9 inches)67%high
July Weather19°C (67°F)98 mm (3.9 inches)67%high
August Weather20°C (68°F)55 mm (2.2 inches)67%high
September Weather15°C (60°F)54 mm (2.1 inches)78%moderate
October Weather11°C (52°F)61 mm (2.4 inches)84%moderate
November Weather6°C (43°F)42 mm (1.6 inches)89%low
December Weather3°C (37°F)47 mm (1.9 inches)92%low

Compare Gralewo's Climate with Cities Worldwide