nomadseason

September Weather in Berchem, Luxembourg

Last updated: August 23, 2025

In September, the average temperature in Berchem, Luxembourg is a pleasant 15°C (59°F). You can expect temperatures to vary from a cool 4°C (39°F) at their lowest to a warm 32°C (89°F) at their peak. With an average precipitation of 61 mm (2.4 in) spread across 9 days, and an average humidity of 83%, don't forget to pack your umbrella and stay hydrated!

September Temperature in Berchem

In September in Berchem, the average temperature is 15°C (59°F). The maximum can reach 32°C (89°F), while the minimum can drop to as low as 4°C (39°F). Be prepared for a range of temperatures to make the most of your travel experience!

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

The chart illustrates September temperature patterns in Berchem, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Berchem, September typically has an average temperature of 15°C (59°F), with highs reaching up to 32°C (89°F) and lows dropping to around 4°C (39°F).
JanFebMarAprMayJunJulAugSepOctNovDec363943505665676659524339
Data source: Temperature data for Berchem 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 Berchem

In Berchem in September, the precipitation amount is 61 mm (2.4 in) spread over 9 days.

September Precipitation Trends in Berchem

The chart displays monthly precipitation patterns in Berchem, 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 Berchem, September typically receives around 61 mm (2.4 inches) of precipitation spread over approximately 9 days.
JanFebMarAprMayJunJulAugSepOctNovDec7073754070707059617670118
Data source: Precipitation data for September generated using information from the Copernicus Climate Change Service.
Choose your preferred precipitation unit

September Humidity in Berchem

In Berchem in September humidity is 83%. With an average temperature of 15°C (59°F), this humidity feels like a cozy, damp embrace that can be quite stifling for traveling, making even short walks feel more exhausting than they should, and prompting a need for frequent breaks in shaded or air-conditioned areas.

September Average Humidity in Berchem

This chart illustrates the average monthly humidity levels in Berchem, 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 Berchem is approximately 83%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec92%90%88%84%81%82%82%80%83%89%91%93%
Data source: Humidity data for September generated using information from the Copernicus Climate Change Service.

September UV Index in Berchem

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

Maximum UV Index Levels in Berchem for September

The chart shows the monthly maximum UV Index (UVI) for Berchem 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 Berchem typically reaches 6, which falls under the high exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec234689876421
Data source: Berchem 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 Berchem Compares to Other Months

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

This table compares monthly weather conditions in Berchem, showing how September’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather2°C (36°F)70 mm (2.8 inches)91%low
February Weather4°C (40°F)73 mm (2.9 inches)90%moderate
March Weather6°C (44°F)75 mm (3.0 inches)88%moderate
April Weather10°C (50°F)40 mm (1.6 inches)84%high
May Weather13°C (56°F)70 mm (2.8 inches)81%very high
June Weather18°C (65°F)70 mm (2.7 inches)82%very high
July Weather19°C (67°F)70 mm (2.8 inches)82%very high
August Weather19°C (67°F)59 mm (2.3 inches)80%high
September Weather15°C (59°F)61 mm (2.4 inches)83%high
October Weather11°C (52°F)76 mm (3.0 inches)89%moderate
November Weather6°C (43°F)70 mm (2.7 inches)91%low
December Weather4°C (40°F)118 mm (4.6 inches)93%low

Compare Berchem's Climate with Cities Worldwide