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September Weather in Bolszewo, Poland

Last updated: August 27, 2025

In September, the average temperature in Bolszewo, Poland is a pleasant 14°C (58°F). Expect temperatures to range from a cool 3°C (37°F) to a warm 30°C (86°F). Be prepared for some rain, as the area experiences about 68 mm (2.7 in) of precipitation over 12 days. With an average humidity of 81%, it's a great time to enjoy the fresh air while dressing for changing conditions!

September Temperature in Bolszewo

In September in Bolszewo, the average temperature is 14°C (58°F). Maximum temperatures can reach 30°C (86°F), while minimums can drop as low as 3°C (37°F). Be prepared for a range of temperatures when traveling during this time!

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

The chart illustrates September temperature patterns in Bolszewo, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Bolszewo, September typically has an average temperature of 14°C (58°F), with highs reaching up to 30°C (86°F) and lows dropping to around 3°C (37°F).
JanFebMarAprMayJunJulAugSepOctNovDec333337445262646457504235
Data source: Temperature data for Bolszewo 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 Bolszewo

In Bolszewo in September, the precipitation amount is 68 mm (2.7 in) over the course of 12 days.

September Precipitation Trends in Bolszewo

The chart displays monthly precipitation patterns in Bolszewo, 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 Bolszewo, September typically receives around 68 mm (2.7 inches) of precipitation spread over approximately 12 days.
JanFebMarAprMayJunJulAugSepOctNovDec4742523968671067768714351
Data source: Precipitation data for September generated using information from the Copernicus Climate Change Service.
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September Humidity in Bolszewo

In Bolszewo in September, humidity is 81%. With an average temperature of 14°C (58°F), this humidity feels like a warm blanket wrapping around you, making outdoor adventures sticky and challenging, while also providing a lush, vibrant atmosphere perfect for exploring.

September Average Humidity in Bolszewo

This chart illustrates the average monthly humidity levels in Bolszewo, 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 Bolszewo is approximately 81%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec90%89%88%84%77%76%76%76%81%86%89%89%
Data source: Humidity data for September generated using information from the Copernicus Climate Change Service.

September UV Index in Bolszewo

In Bolszewo 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 Bolszewo.

Maximum UV Index Levels in Bolszewo for September

The chart shows the monthly maximum UV Index (UVI) for Bolszewo 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 Bolszewo typically reaches 5, which falls under the moderate exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec124567765311
Data source: Bolszewo 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 Bolszewo Compares to Other Months

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

This table compares monthly weather conditions in Bolszewo, showing how September’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather0°C (33°F)47 mm (1.9 inches)89%low
February Weather0°C (33°F)42 mm (1.6 inches)89%low
March Weather3°C (37°F)52 mm (2.0 inches)88%moderate
April Weather7°C (44°F)39 mm (1.5 inches)84%moderate
May Weather11°C (53°F)68 mm (2.7 inches)76%high
June Weather17°C (63°F)66 mm (2.6 inches)76%high
July Weather18°C (64°F)106 mm (4.2 inches)76%high
August Weather18°C (64°F)77 mm (3.0 inches)76%high
September Weather14°C (58°F)68 mm (2.7 inches)81%moderate
October Weather10°C (50°F)71 mm (2.8 inches)86%moderate
November Weather5°C (42°F)43 mm (1.7 inches)89%low
December Weather1°C (35°F)51 mm (2.0 inches)89%low

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