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September Weather in Inowroclaw, Poland

Last updated: August 27, 2025

In September, the average temperature in Inowroclaw, Poland stands at a comfortable 15°C (59°F), with potential extremes ranging from a chilly 3°C (38°F) to a warm 33°C (92°F). This month sees an average precipitation of 70 mm (2.8 in) spread over 10 days, contributing to a generally humid atmosphere with an average humidity of 75%.

September Temperature in Inowroclaw

In September in Inowroclaw, the average temperature is 15°C (59°F). The maximum can reach 33°C (92°F), and the minimum can be as low as 3°C (38°F). This makes Inowroclaw a great destination for travelers looking to enjoy mild weather with the possibility of warm days and cool nights.

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

The chart illustrates September temperature patterns in Inowroclaw, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Inowroclaw, September typically has an average temperature of 15°C (59°F), with highs reaching up to 33°C (92°F) and lows dropping to around 3°C (38°F).
JanFebMarAprMayJunJulAugSepOctNovDec333439475666666759514235
Data source: Temperature data for Inowroclaw 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 Inowroclaw

In Inowroclaw in September, the precipitation amount is 70 mm (2.8 in) over a period of 10 days.

September Precipitation Trends in Inowroclaw

The chart displays monthly precipitation patterns in Inowroclaw, 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 Inowroclaw, September typically receives around 70 mm (2.8 inches) of precipitation spread over approximately 10 days.
JanFebMarAprMayJunJulAugSepOctNovDec404239367773976770633845
Data source: Precipitation data for September generated using information from the Copernicus Climate Change Service.
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September Humidity in Inowroclaw

In Inowroclaw 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 Inowroclaw

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

In Inowroclaw 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 Inowroclaw.

Maximum UV Index Levels in Inowroclaw for September

The chart shows the monthly maximum UV Index (UVI) for Inowroclaw 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 Inowroclaw typically reaches 5, which falls under the moderate exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec124577875321
Data source: Inowroclaw 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 Inowroclaw Compares to Other Months

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

This table compares monthly weather conditions in Inowroclaw, showing how September’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather0°C (33°F)40 mm (1.6 inches)91%low
February Weather1°C (34°F)42 mm (1.6 inches)90%low
March Weather4°C (39°F)39 mm (1.5 inches)87%moderate
April Weather9°C (48°F)36 mm (1.4 inches)79%moderate
May Weather13°C (56°F)77 mm (3.0 inches)63%high
June Weather19°C (66°F)73 mm (2.9 inches)61%high
July Weather19°C (67°F)97 mm (3.8 inches)63%very high
August Weather19°C (67°F)67 mm (2.6 inches)65%high
September Weather15°C (59°F)70 mm (2.8 inches)75%moderate
October Weather11°C (51°F)63 mm (2.5 inches)85%moderate
November Weather6°C (43°F)38 mm (1.5 inches)90%low
December Weather2°C (35°F)45 mm (1.8 inches)93%low

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