nomadseason

September Weather in Krosno, Poland

Last updated: August 27, 2025

In September, the average temperature in Krosno, Poland is a pleasant 15°C (58°F). Expect a cool minimum of 1°C (35°F) and a warm maximum reaching 29°C (85°F). During this month, precipitation typically measures around 86 mm (3.4 in) over approximately 12 days, accompanied by an average humidity of 69%.

September Temperature in Krosno

In September in Krosno, the average temperature is 15°C (58°F). Maximum temperatures can reach 29°C (85°F), while minimums can drop as low as 1°C (35°F). This makes Krosno an ideal destination for travelers who enjoy mild weather and are prepared for possible temperature fluctuations.

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

The chart illustrates September temperature patterns in Krosno, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Krosno, 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 (35°F).
JanFebMarAprMayJunJulAugSepOctNovDec293339485666676758504234
Data source: Temperature data for Krosno generated using information from the Copernicus Climate Change Service.
Choose your preferred temperature unit
The average of daily temperatures (24 hours) calculated across all days in the month.

September Precipitation in Krosno

In Krosno in September, the precipitation amount is 86 mm (3.4 in) over a span of 12 days.

September Precipitation Trends in Krosno

The chart displays monthly precipitation patterns in Krosno, 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 Krosno, September typically receives around 86 mm (3.4 inches) of precipitation spread over approximately 12 days.
JanFebMarAprMayJunJulAugSepOctNovDec45644858105901079686775771
Data source: Precipitation data for September generated using information from the Copernicus Climate Change Service.
Choose your preferred precipitation unit

September Humidity in Krosno

In Krosno in September humidity is 69%. With an average temperature of 15°C (58°F), this humidity feels like a gentle embrace, making it comfortable for traveling but slightly muggy at times, so light clothing is recommended to stay fresh and enjoy your adventures.

September Average Humidity in Krosno

This chart illustrates the average monthly humidity levels in Krosno, 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 Krosno is approximately 69%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec91%88%86%77%69%69%63%59%69%85%90%91%
Data source: Humidity data for September generated using information from the Copernicus Climate Change Service.

September UV Index in Krosno

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

Maximum UV Index Levels in Krosno for September

The chart shows the monthly maximum UV Index (UVI) for Krosno 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 Krosno typically reaches 6, which falls under the high exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec235678876421
Data source: Krosno 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 Krosno Compares to Other Months

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

This table compares monthly weather conditions in Krosno, showing how September’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather-2°C (29°F)45 mm (1.8 inches)91%low
February Weather0°C (33°F)64 mm (2.5 inches)88%moderate
March Weather4°C (39°F)48 mm (1.9 inches)86%moderate
April Weather9°C (48°F)57 mm (2.3 inches)77%high
May Weather13°C (57°F)105 mm (4.1 inches)69%high
June Weather19°C (66°F)89 mm (3.5 inches)69%very high
July Weather19°C (67°F)107 mm (4.2 inches)63%very high
August Weather19°C (67°F)96 mm (3.8 inches)59%high
September Weather15°C (58°F)86 mm (3.4 inches)69%high
October Weather10°C (51°F)77 mm (3.0 inches)85%moderate
November Weather5°C (42°F)57 mm (2.2 inches)90%low
December Weather1°C (34°F)71 mm (2.8 inches)91%low

Compare Krosno's Climate with Cities Worldwide