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September Weather in Brodnica, Poland

Last updated: August 27, 2025

In Brodnica, Poland, the average temperature in September hovers around 15°C (60°F). Expect a range where the mercury can drop as low as 3°C (37°F) and soar up to 33°C (91°F). During this month, you can anticipate about 57 mm (2.3 in) of precipitation spread over 11 days, contributing to an average humidity of 78%. Stay prepared for a mix of warm days and refreshing showers!

September Temperature in Brodnica

In September in Brodnica, the average temperature is 15°C (60°F). Maximums can reach 33°C (91°F) and minimums can be as low as 3°C (37°F). This variability makes it advisable for travelers to pack layers to accommodate both warm and cooler conditions.

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

The chart illustrates September temperature patterns in Brodnica, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Brodnica, September typically has an average temperature of 15°C (60°F), with highs reaching up to 33°C (91°F) and lows dropping to around 3°C (37°F).
JanFebMarAprMayJunJulAugSepOctNovDec343540485767676859524336
Data source: Temperature data for Brodnica 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 Brodnica

In Brodnica in September, the total precipitation amount is 57 mm (2.3 in) over the course of 11 days.

September Precipitation Trends in Brodnica

The chart displays monthly precipitation patterns in Brodnica, 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 Brodnica, September typically receives around 57 mm (2.3 inches) of precipitation spread over approximately 11 days.
JanFebMarAprMayJunJulAugSepOctNovDec454542336568906357603948
Data source: Precipitation data for September generated using information from the Copernicus Climate Change Service.
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September Humidity in Brodnica

In Brodnica 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 Brodnica

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

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

Maximum UV Index Levels in Brodnica for September

The chart shows the monthly maximum UV Index (UVI) for Brodnica 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 Brodnica typically reaches 6, which falls under the high exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec124578876321
Data source: Brodnica 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 Brodnica Compares to Other Months

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

This table compares monthly weather conditions in Brodnica, showing how September’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather1°C (34°F)45 mm (1.8 inches)90%low
February Weather2°C (35°F)45 mm (1.8 inches)90%low
March Weather4°C (40°F)42 mm (1.6 inches)87%moderate
April Weather9°C (49°F)33 mm (1.3 inches)80%moderate
May Weather14°C (57°F)65 mm (2.5 inches)67%high
June Weather19°C (67°F)68 mm (2.7 inches)67%very high
July Weather20°C (67°F)90 mm (3.5 inches)67%very high
August Weather20°C (68°F)63 mm (2.5 inches)67%high
September Weather15°C (60°F)57 mm (2.3 inches)78%high
October Weather11°C (52°F)60 mm (2.4 inches)84%moderate
November Weather6°C (43°F)39 mm (1.5 inches)89%low
December Weather2°C (36°F)48 mm (1.9 inches)92%low

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