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September Weather in Jastkow, Poland

Last updated: August 27, 2025

In Jastkow, Poland, the average temperature in September is a mild 15°C (59°F), with a minimum dipping to 1°C (34°F) and a maximum soaring to 29°C (85°F). Expect about 79 mm (3.1 in) of precipitation spread over 12 days, accompanied by an average humidity of 68%. Perfect for those who appreciate a balance of warmth and refreshing rain!

September Temperature in Jastkow

In September in Jastkow, the average temperature is 15°C (59°F). Maximums can reach 29°C (85°F) and minimums can be as low as 1°C (34°F). This makes it a great time for travelers to experience a pleasant mix of warm days and cool evenings, ideal for outdoor activities and exploration.

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

The chart illustrates September temperature patterns in Jastkow, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Jastkow, September typically has an average temperature of 15°C (59°F), with highs reaching up to 29°C (85°F) and lows dropping to around 1°C (34°F).
JanFebMarAprMayJunJulAugSepOctNovDec303238485767686758504134
Data source: Temperature data for Jastkow 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 Jastkow

In Jastkow in September, the precipitation amount is 79 mm (3.1 in) over a period of 12 days.

September Precipitation Trends in Jastkow

The chart displays monthly precipitation patterns in Jastkow, 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 Jastkow, September typically receives around 79 mm (3.1 inches) of precipitation spread over approximately 12 days.
JanFebMarAprMayJunJulAugSepOctNovDec4148425483749010979663955
Data source: Precipitation data for September generated using information from the Copernicus Climate Change Service.
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September Humidity in Jastkow

In Jastkow in September, humidity is 68%. With an average temperature of 15°C (59°F), this humidity feels like a warm embrace, making it ideal for leisurely strolls and sightseeing, but travelers should be prepared for occasional discomfort as the mugginess can dampen outdoor activities.

September Average Humidity in Jastkow

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

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

Maximum UV Index Levels in Jastkow for September

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

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

This table compares monthly weather conditions in Jastkow, showing how September’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather-1°C (30°F)41 mm (1.6 inches)91%low
February Weather0°C (33°F)48 mm (1.9 inches)89%low
March Weather3°C (38°F)42 mm (1.7 inches)86%moderate
April Weather9°C (48°F)54 mm (2.1 inches)76%moderate
May Weather14°C (57°F)83 mm (3.3 inches)58%high
June Weather19°C (67°F)74 mm (2.9 inches)56%very high
July Weather20°C (68°F)90 mm (3.5 inches)56%very high
August Weather20°C (67°F)109 mm (4.3 inches)55%high
September Weather15°C (59°F)79 mm (3.1 inches)68%high
October Weather10°C (50°F)66 mm (2.6 inches)84%moderate
November Weather5°C (42°F)39 mm (1.5 inches)89%low
December Weather1°C (34°F)55 mm (2.2 inches)91%low

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