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September Weather in Bychawa, Poland

Last updated: August 27, 2025

In September, the average temperature in Bychawa, Poland is a pleasant 15°C (58°F). However, be prepared for a range as temperatures can dip to a chilly 1°C (33°F) or rise to a warm 29°C (85°F). Visitors should also anticipate some rain, with an average precipitation of 84 mm (3.3 in) spread over 12 days. Don't forget your umbrella, as the average humidity hovers around 68%, adding to the overall ambiance of the season!

September Temperature in Bychawa

In September in Bychawa, the average temperature is 15°C (58°F). The maximum can reach 29°C (85°F), while the minimum can drop as low as 1°C (33°F). This makes it a great time for travelers to enjoy a mix of pleasant daytime warmth and cooler evenings, perfect for exploring the area.

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

The chart illustrates September temperature patterns in Bychawa, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Bychawa, September typically has an average temperature of 15°C (58°F), with highs reaching up to 29°C (85°F) and lows dropping to around 1°C (33°F).
JanFebMarAprMayJunJulAugSepOctNovDec293238475666676758504134
Data source: Temperature data for Bychawa 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 Bychawa

In Bychawa in September, the precipitation amount is 84 mm (3.3 in) over a span of 12 days.

September Precipitation Trends in Bychawa

The chart displays monthly precipitation patterns in Bychawa, 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 Bychawa, September typically receives around 84 mm (3.3 inches) of precipitation spread over approximately 12 days.
JanFebMarAprMayJunJulAugSepOctNovDec4250455689791029884684357
Data source: Precipitation data for September generated using information from the Copernicus Climate Change Service.
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September Humidity in Bychawa

In Bychawa in September, humidity is 68%. With an average temperature of 15°C (58°F), this humidity feels like a damp chill that makes outdoor activities slightly uncomfortable, requiring travelers to dress in layers to stay warm while managing the moisture in the air.

September Average Humidity in Bychawa

This chart illustrates the average monthly humidity levels in Bychawa, 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 Bychawa is approximately 68%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec91%89%86%76%58%56%56%55%68%84%89%91%
Data source: Humidity data for September generated using information from the Copernicus Climate Change Service.

September UV Index in Bychawa

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

Maximum UV Index Levels in Bychawa for September

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

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

This table compares monthly weather conditions in Bychawa, showing how September’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather-2°C (30°F)42 mm (1.7 inches)91%low
February Weather0°C (32°F)50 mm (2.0 inches)89%low
March Weather3°C (38°F)45 mm (1.8 inches)86%moderate
April Weather9°C (48°F)56 mm (2.2 inches)76%moderate
May Weather13°C (56°F)89 mm (3.5 inches)58%high
June Weather19°C (67°F)79 mm (3.1 inches)56%very high
July Weather20°C (67°F)102 mm (4.0 inches)56%very high
August Weather19°C (67°F)98 mm (3.8 inches)55%high
September Weather15°C (58°F)84 mm (3.3 inches)68%high
October Weather10°C (50°F)68 mm (2.7 inches)84%moderate
November Weather5°C (41°F)43 mm (1.7 inches)89%low
December Weather1°C (34°F)57 mm (2.3 inches)91%low

Compare Bychawa's Climate with Cities Worldwide