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September Weather in Orly, Poland

Last updated: August 27, 2025

In September, the average temperature in Orly, Poland is a comfortable 15°C (59°F). However, temperatures can range from a chilly 1°C (34°F) to a warm 29°C (85°F). Expect about 83 mm (3.2 in) of precipitation over 10 days, contributing to an average humidity of 71%, creating a refreshing atmosphere.

September Temperature in Orly

In September in Orly, 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 Orly: Daily Temperature Highs, Lows, and Averages

The chart illustrates September temperature patterns in Orly, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Orly, 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).
JanFebMarAprMayJunJulAugSepOctNovDec303338485766676759514234
Data source: Temperature data for Orly 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 Orly

In Orly in September, the precipitation amount is 83 mm (3.2 in) over a span of 10 days.

September Precipitation Trends in Orly

The chart displays monthly precipitation patterns in Orly, 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 Orly, September typically receives around 83 mm (3.2 inches) of precipitation spread over approximately 10 days.
JanFebMarAprMayJunJulAugSepOctNovDec43675246109991099483705174
Data source: Precipitation data for September generated using information from the Copernicus Climate Change Service.
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September Humidity in Orly

In Orly in September humidity is 71%. With an average temperature of 15°C (59°F), this humidity feels like a damp embrace, making outdoor activities slightly uncomfortable and encouraging travelers to seek shade or indoor attractions to escape the muggy air.

September Average Humidity in Orly

This chart illustrates the average monthly humidity levels in Orly, 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 Orly is approximately 71%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec92%89%88%79%71%72%66%60%72%86%90%91%
Data source: Humidity data for September generated using information from the Copernicus Climate Change Service.

September UV Index in Orly

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

Maximum UV Index Levels in Orly for September

The chart shows the monthly maximum UV Index (UVI) for Orly 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 Orly typically reaches 6, which falls under the high exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec234679876421
Data source: Orly 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 Orly Compares to Other Months

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

This table compares monthly weather conditions in Orly, 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 Weather1°C (33°F)67 mm (2.7 inches)89%moderate
March Weather4°C (39°F)52 mm (2.0 inches)88%moderate
April Weather9°C (49°F)46 mm (1.8 inches)79%high
May Weather14°C (57°F)108 mm (4.3 inches)71%high
June Weather19°C (66°F)99 mm (3.9 inches)72%very high
July Weather20°C (67°F)109 mm (4.3 inches)66%very high
August Weather20°C (68°F)94 mm (3.7 inches)60%high
September Weather15°C (59°F)83 mm (3.2 inches)71%high
October Weather10°C (51°F)69 mm (2.7 inches)86%moderate
November Weather5°C (42°F)51 mm (2.0 inches)90%low
December Weather1°C (34°F)74 mm (2.9 inches)91%low

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