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September Weather in Leersum, Netherlands

Last updated: August 27, 2025

In September, the average temperature in Leersum, Netherlands hovers around 15°C (59°F), with fluctuations ranging from a cool 4°C (39°F) to a warm 31°C (89°F). Expect 67 mm (2.6 in) of precipitation over approximately 11 days, contributing to a humidity level of 81% that adds a touch of moisture to the air.

September Temperature in Leersum

In September in Leersum, the average temperature is 15°C (59°F). The maximum can reach 31°C (89°F), while the minimum can be as low as 4°C (39°F). This mild climate makes it a perfect time for outdoor activities and exploration.

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

The chart illustrates September temperature patterns in Leersum, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Leersum, September typically has an average temperature of 15°C (59°F), with highs reaching up to 31°C (89°F) and lows dropping to around 4°C (39°F).
JanFebMarAprMayJunJulAugSepOctNovDec394144495664656659544541
Data source: Temperature data for Leersum 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 Leersum

In Leersum in September, the total precipitation amount is 67 mm (2.6 in) over the course of 11 days.

September Precipitation Trends in Leersum

The chart displays monthly precipitation patterns in Leersum, 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 Leersum, September typically receives around 67 mm (2.6 inches) of precipitation spread over approximately 11 days.
JanFebMarAprMayJunJulAugSepOctNovDec637474376370738367875389
Data source: Precipitation data for September generated using information from the Copernicus Climate Change Service.
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September Humidity in Leersum

In Leersum in September humidity is 81%. With an average temperature of 15°C (59°F), this humidity feels like a heavy blanket draped over you, making traveling quite uncomfortable as you constantly wipe away beads of sweat and feel the stickiness clinging to your clothes.

September Average Humidity in Leersum

This chart illustrates the average monthly humidity levels in Leersum, 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 Leersum is approximately 81%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec91%90%87%84%77%74%72%71%81%88%91%92%
Data source: Humidity data for September generated using information from the Copernicus Climate Change Service.

September UV Index in Leersum

In Leersum 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 Leersum.

Maximum UV Index Levels in Leersum for September

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

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

This table compares monthly weather conditions in Leersum, showing how September’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather4°C (40°F)63 mm (2.5 inches)91%low
February Weather5°C (41°F)74 mm (2.9 inches)90%low
March Weather7°C (44°F)74 mm (2.9 inches)87%moderate
April Weather10°C (50°F)37 mm (1.5 inches)84%moderate
May Weather13°C (57°F)63 mm (2.5 inches)77%high
June Weather18°C (65°F)70 mm (2.8 inches)74%very high
July Weather19°C (66°F)72 mm (2.9 inches)72%very high
August Weather19°C (66°F)83 mm (3.3 inches)71%high
September Weather15°C (59°F)67 mm (2.6 inches)81%moderate
October Weather12°C (54°F)87 mm (3.4 inches)88%moderate
November Weather7°C (45°F)53 mm (2.1 inches)91%low
December Weather5°C (42°F)89 mm (3.5 inches)92%low

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