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September Weather in Wieliszew, Poland

Last updated: August 27, 2025

In Wieliszew, Poland, the average temperature in September hovers around 15°C (59°F). During this time, you can expect temperatures to range from a brisk 2°C (36°F) to a warm 30°C (87°F). With an average precipitation of 78 mm (3.1 in) spread over 12 days, it's wise to be prepared for some rain. The average humidity level is around 71%, adding a touch of mugginess to the atmosphere.

September Temperature in Wieliszew

In September in Wieliszew, the average temperature is 15°C (59°F). Maximums can reach 30°C (87°F), and minimums can drop as low as 2°C (36°F). This variation in temperatures makes it essential for travelers to pack layers to stay comfortable throughout the day.

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

The chart illustrates September temperature patterns in Wieliszew, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Wieliszew, September typically has an average temperature of 15°C (59°F), with highs reaching up to 30°C (87°F) and lows dropping to around 2°C (36°F).
JanFebMarAprMayJunJulAugSepOctNovDec313339485767686759504234
Data source: Temperature data for Wieliszew 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 Wieliszew

In Wieliszew in September, the precipitation amount is 78 mm (3.1 in), occurring over a span of 12 days.

September Precipitation Trends in Wieliszew

The chart displays monthly precipitation patterns in Wieliszew, 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 Wieliszew, September typically receives around 78 mm (3.1 inches) of precipitation spread over approximately 12 days.
JanFebMarAprMayJunJulAugSepOctNovDec404440338565789279673250
Data source: Precipitation data for September generated using information from the Copernicus Climate Change Service.
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September Humidity in Wieliszew

In Wieliszew in September humidity is 71%. With an average temperature of 15°C (59°F), this humidity feels like a damp embrace, making outdoor activities slightly uncomfortable and encouraging travelers to seek shade or indoor attractions to escape the muggy air.

September Average Humidity in Wieliszew

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

In Wieliszew 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 Wieliszew.

Maximum UV Index Levels in Wieliszew for September

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

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

This table compares monthly weather conditions in Wieliszew, showing how September’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather0°C (31°F)40 mm (1.6 inches)92%low
February Weather0°C (33°F)44 mm (1.7 inches)90%low
March Weather4°C (39°F)40 mm (1.6 inches)87%moderate
April Weather9°C (48°F)33 mm (1.3 inches)76%moderate
May Weather14°C (57°F)85 mm (3.3 inches)58%high
June Weather20°C (68°F)65 mm (2.6 inches)56%very high
July Weather20°C (68°F)78 mm (3.1 inches)59%very high
August Weather20°C (67°F)92 mm (3.6 inches)60%high
September Weather15°C (59°F)78 mm (3.1 inches)71%moderate
October Weather10°C (51°F)67 mm (2.6 inches)86%moderate
November Weather5°C (42°F)32 mm (1.3 inches)90%low
December Weather1°C (35°F)50 mm (2.0 inches)93%low

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