September Weather in Ketrzyn, Poland

Last updated: August 27, 2025

In September, the average temperature in Ketrzyn, Poland is a pleasant 14°C (58°F), with a minimum of 3°C (38°F) and a maximum soaring up to 28°C (82°F). Expect 67 mm (2.6 in) of precipitation spread across 10 days, contributing to an average humidity level of 71%. Embrace the variability of the weather while you explore this charming destination!

September Temperature in Ketrzyn

In September in Ketrzyn, the average temperature is 14°C (58°F). Maximums can reach 28°C (82°F), while minimums can drop as low as 3°C (38°F). Be sure to pack for a range of weather to fully enjoy your travels!

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

The chart illustrates September temperature patterns in Ketrzyn, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Ketrzyn, September typically has an average temperature of 14°C (58°F), with highs reaching up to 28°C (82°F) and lows dropping to around 3°C (38°F).

Data source: Temperature data for Ketrzyn generated using information from the Copernicus Climate Change Service.

September Precipitation in Ketrzyn

In Ketrzyn in September, the total precipitation amount is 67 mm (2.6 in) over a period of 10 days.

September Precipitation Trends in Ketrzyn

The chart displays monthly precipitation patterns in Ketrzyn, 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 Ketrzyn, September typically receives around 67 mm (2.6 inches) of precipitation spread over approximately 10 days.

Data source: Precipitation data for September generated using information from the Copernicus Climate Change Service.

Choose your preferred precipitation unit

Millimeters (mm) Inches (in)

September Humidity in Ketrzyn

In Ketrzyn in September humidity is 71%. With an average temperature of 14°C (58°F), this humidity feels like a damp embrace, making it essential for travelers to pack light, breathable clothing and stay hydrated while exploring the sights.

September Average Humidity in Ketrzyn

This chart illustrates the average monthly humidity levels in Ketrzyn, 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 Ketrzyn is approximately 71%, offering insight into how humid the weather typically is during this month.

Data source: Humidity data for September generated using information from the Copernicus Climate Change Service.

September UV Index in Ketrzyn

In Ketrzyn 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 Ketrzyn.

Maximum UV Index Levels in Ketrzyn for September

The chart shows the monthly maximum UV Index (UVI) for Ketrzyn 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 Ketrzyn typically reaches 5, which falls under the moderate exposure category.

Data source: Ketrzyn 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 Ketrzyn Compares to Other Months

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

This table compares monthly weather conditions in Ketrzyn, showing how September’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
	Temperature	Precipitation	Humidity	UV
January Weather	-1°C (30°F)	44 mm (1.7 inches)	92%	low
February Weather	-1°C (31°F)	39 mm (1.5 inches)	90%	low
March Weather	3°C (37°F)	46 mm (1.8 inches)	87%	moderate
April Weather	7°C (46°F)	43 mm (1.7 inches)	76%	moderate
May Weather	12°C (55°F)	76 mm (3.0 inches)	58%	high
June Weather	18°C (65°F)	54 mm (2.1 inches)	56%	high
July Weather	19°C (66°F)	101 mm (4.0 inches)	59%	high
August Weather	18°C (65°F)	78 mm (3.1 inches)	60%	high
September Weather	14°C (58°F)	67 mm (2.6 inches)	71%	moderate
October Weather	10°C (49°F)	69 mm (2.7 inches)	86%	moderate
November Weather	5°C (41°F)	42 mm (1.7 inches)	90%	low
December Weather	1°C (34°F)	57 mm (2.2 inches)	93%	low