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September Weather in Liw, Poland

Last updated: August 27, 2025

In September, the average temperature in Liw, Poland hovers around 15°C (58°F). Expect a range from a chilly 1°C (35°F) to a warm 29°C (85°F). During this period, you can anticipate 70 mm (2.7 in) of precipitation spread over 11 days, contributing to a comfortable average humidity level of 71%.

September Temperature in Liw

In September in Liw, 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 Liw an ideal destination for travelers who enjoy mild weather and are prepared for possible temperature fluctuations.

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

The chart illustrates September temperature patterns in Liw, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Liw, 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).
JanFebMarAprMayJunJulAugSepOctNovDec303238475667676658504134
Data source: Temperature data for Liw 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 Liw

In Liw in September, the precipitation amount is 70 mm (2.7 in) spread over 11 days.

September Precipitation Trends in Liw

The chart displays monthly precipitation patterns in Liw, 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 Liw, September typically receives around 70 mm (2.7 inches) of precipitation spread over approximately 11 days.
JanFebMarAprMayJunJulAugSepOctNovDec434439408172828370693552
Data source: Precipitation data for September generated using information from the Copernicus Climate Change Service.
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September Humidity in Liw

In Liw in September, humidity is 71%. With an average temperature of 15°C (58°F), this humidity feels like a gentle, sticky embrace, making outdoor activities a bit uncomfortable but still enjoyable for those who can adapt to the moist air.

September Average Humidity in Liw

This chart illustrates the average monthly humidity levels in Liw, 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 Liw is approximately 71%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec92%90%87%76%58%56%59%60%71%86%90%93%
Data source: Humidity data for September generated using information from the Copernicus Climate Change Service.

September UV Index in Liw

In Liw 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 Liw.

Maximum UV Index Levels in Liw for September

The chart shows the monthly maximum UV Index (UVI) for Liw 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 Liw typically reaches 5, which falls under the moderate exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec124578875321
Data source: Liw 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 Liw Compares to Other Months

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

This table compares monthly weather conditions in Liw, showing how September’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather-1°C (30°F)43 mm (1.7 inches)92%low
February Weather0°C (32°F)44 mm (1.7 inches)90%low
March Weather3°C (38°F)39 mm (1.5 inches)87%moderate
April Weather8°C (47°F)40 mm (1.6 inches)76%moderate
May Weather13°C (56°F)81 mm (3.2 inches)58%high
June Weather19°C (67°F)72 mm (2.8 inches)56%very high
July Weather20°C (67°F)82 mm (3.2 inches)59%very high
August Weather19°C (67°F)83 mm (3.3 inches)60%high
September Weather15°C (58°F)70 mm (2.7 inches)71%moderate
October Weather10°C (50°F)69 mm (2.7 inches)86%moderate
November Weather5°C (41°F)34 mm (1.4 inches)90%low
December Weather1°C (34°F)52 mm (2.1 inches)93%low

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