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September Weather in Den Ilp, Netherlands

Last updated: August 27, 2025

In September, the average temperature in Den Ilp, Netherlands hovers around 15°C (60°F), with a minimum dipping to 4°C (40°F) and a maximum reaching up to 29°C (85°F). Expect a total precipitation of 77 mm (3.0 in) spread across about 12 days, accompanied by a high average humidity of 83%. Stay prepared for a mix of warmth and moisture in this vibrant locale!

September Temperature in Den Ilp

In September in Den Ilp, the average temperature is 15°C (60°F), with maximums reaching 29°C (85°F) and minimums dipping as low as 4°C (40°F). This weather makes it a great time for travelers to enjoy outdoor activities while being prepared for the occasional chill.

September Weather in Den Ilp: Daily Temperature Highs, Lows, and Averages

The chart illustrates September temperature patterns in Den Ilp, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Den Ilp, September typically has an average temperature of 15°C (60°F), with highs reaching up to 29°C (85°F) and lows dropping to around 4°C (40°F).
JanFebMarAprMayJunJulAugSepOctNovDec404144495563646559544642
Data source: Temperature data for Den Ilp 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 Den Ilp

In Den Ilp in September, the precipitation amount is 77 mm (3.0 in) spread over 12 days.

September Precipitation Trends in Den Ilp

The chart displays monthly precipitation patterns in Den Ilp, 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 Den Ilp, September typically receives around 77 mm (3.0 inches) of precipitation spread over approximately 12 days.
JanFebMarAprMayJunJulAugSepOctNovDec556768435572758877915188
Data source: Precipitation data for September generated using information from the Copernicus Climate Change Service.
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September Humidity in Den Ilp

In Den Ilp in September humidity is 83%. With an average temperature of 15°C (60°F), this humidity feels like a damp blanket wrapping around you, making travel a bit uncomfortable and sticky, as the air clings to your skin and dampens your clothes.

September Average Humidity in Den Ilp

This chart illustrates the average monthly humidity levels in Den Ilp, 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 Den Ilp is approximately 83%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec87%87%86%85%84%82%80%78%83%86%87%86%
Data source: Humidity data for September generated using information from the Copernicus Climate Change Service.

September UV Index in Den Ilp

In Den Ilp 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 Den Ilp.

Maximum UV Index Levels in Den Ilp for September

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

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

This table compares monthly weather conditions in Den Ilp, showing how September’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather5°C (41°F)55 mm (2.1 inches)87%low
February Weather5°C (41°F)67 mm (2.6 inches)87%low
March Weather7°C (44°F)68 mm (2.7 inches)86%moderate
April Weather9°C (49°F)43 mm (1.7 inches)85%moderate
May Weather13°C (55°F)55 mm (2.2 inches)84%high
June Weather17°C (63°F)72 mm (2.8 inches)81%very high
July Weather18°C (65°F)75 mm (2.9 inches)80%very high
August Weather18°C (65°F)88 mm (3.5 inches)78%high
September Weather15°C (60°F)77 mm (3.0 inches)83%moderate
October Weather12°C (54°F)91 mm (3.6 inches)86%moderate
November Weather8°C (46°F)51 mm (2.0 inches)87%low
December Weather6°C (43°F)88 mm (3.5 inches)86%low

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