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September Weather in Gietrzwald, Poland

Last updated: August 27, 2025

In September, the average temperature in Gietrzwald, Poland hovers around a comfortable 14°C (58°F). Expect temperatures to range from a cool 2°C (36°F) at night to a warm 31°C (88°F) during the day. With 75 mm (3.0 in) of precipitation spread over 12 days, be prepared for occasional showers. The average humidity sits at a moderate 71%, contributing to the overall pleasant climate.

September Temperature in Gietrzwald

In September, in Gietrzwald, the average temperature is 14°C (58°F). The maximum can reach 31°C (88°F), while the minimum can be as low as 2°C (36°F). This variation in temperature makes Gietrzwald a versatile destination for travelers, offering both warm and cool experiences.

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

The chart illustrates September temperature patterns in Gietrzwald, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Gietrzwald, 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 (36°F).
JanFebMarAprMayJunJulAugSepOctNovDec313137465464656557494134
Data source: Temperature data for Gietrzwald 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 Gietrzwald

In Gietrzwald in September, the precipitation amount is 75 mm (3.0 in) over the course of 12 days.

September Precipitation Trends in Gietrzwald

The chart displays monthly precipitation patterns in Gietrzwald, 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 Gietrzwald, September typically receives around 75 mm (3.0 inches) of precipitation spread over approximately 12 days.
JanFebMarAprMayJunJulAugSepOctNovDec4544463885621007175693850
Data source: Precipitation data for September generated using information from the Copernicus Climate Change Service.
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September Humidity in Gietrzwald

In Gietrzwald 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 Gietrzwald

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

In Gietrzwald 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 Gietrzwald.

Maximum UV Index Levels in Gietrzwald for September

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

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

This table compares monthly weather conditions in Gietrzwald, showing how September’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather-1°C (31°F)44 mm (1.8 inches)92%low
February Weather0°C (32°F)44 mm (1.7 inches)90%low
March Weather3°C (37°F)46 mm (1.8 inches)87%moderate
April Weather8°C (46°F)38 mm (1.5 inches)76%moderate
May Weather12°C (54°F)85 mm (3.4 inches)58%high
June Weather18°C (65°F)62 mm (2.5 inches)56%very high
July Weather18°C (66°F)100 mm (3.9 inches)59%very high
August Weather18°C (65°F)71 mm (2.8 inches)60%high
September Weather14°C (58°F)75 mm (3.0 inches)71%moderate
October Weather10°C (50°F)69 mm (2.7 inches)86%moderate
November Weather5°C (41°F)38 mm (1.5 inches)90%low
December Weather1°C (34°F)50 mm (2.0 inches)93%low

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