nomadseason

September Weather in Koudum, Netherlands

Last updated: August 27, 2025

In Koudum, Netherlands, the average temperature in September is a pleasant 16°C (61°F). Expect a cozy minimum of 11°C (52°F) and a warm maximum of 24°C (76°F). Be prepared for some rain, as precipitation can reach 100 mm (3.9 in) over about 13 days. With an average humidity of 83%, it's a beautifully refreshing time of year!

September Temperature in Koudum

In September in Koudum, the average temperature is 16°C (61°F). Maximums can reach 24°C (76°F), while minimums can be as low as 11°C (52°F). This mild climate makes it an ideal destination for travelers seeking comfortable weather and outdoor activities.

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

The chart illustrates September temperature patterns in Koudum, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Koudum, September typically has an average temperature of 16°C (61°F), with highs reaching up to 24°C (76°F) and lows dropping to around 11°C (52°F).
JanFebMarAprMayJunJulAugSepOctNovDec404043485562646560554742
Data source: Temperature data for Koudum 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 Koudum

In Koudum in September, the total precipitation amount is 100 mm (3.9 in), occurring over a span of 13 days.

September Precipitation Trends in Koudum

The chart displays monthly precipitation patterns in Koudum, 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 Koudum, September typically receives around 100 mm (3.9 inches) of precipitation spread over approximately 13 days.
JanFebMarAprMayJunJulAugSepOctNovDec67747541638410412610011264102
Data source: Precipitation data for September generated using information from the Copernicus Climate Change Service.
Choose your preferred precipitation unit

September Humidity in Koudum

In Koudum in September, humidity is 83%. With an average temperature of 16°C (61°F), this humidity feels like a warm, muggy blanket wrapping around you, making travel a bit sticky and potentially uncomfortable as you navigate through the sights.

September Average Humidity in Koudum

This chart illustrates the average monthly humidity levels in Koudum, 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 Koudum is approximately 83%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec88%88%86%84%80%75%75%75%83%86%87%86%
Data source: Humidity data for September generated using information from the Copernicus Climate Change Service.

September UV Index in Koudum

In Koudum 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 Koudum.

Maximum UV Index Levels in Koudum for September

The chart shows the monthly maximum UV Index (UVI) for Koudum 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 Koudum typically reaches 5, which falls under the moderate exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec123578875321
Data source: Koudum 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 Koudum Compares to Other Months

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

This table compares monthly weather conditions in Koudum, showing how September’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather5°C (41°F)67 mm (2.6 inches)88%low
February Weather5°C (40°F)74 mm (2.9 inches)88%low
March Weather6°C (43°F)75 mm (2.9 inches)86%moderate
April Weather9°C (48°F)41 mm (1.6 inches)84%moderate
May Weather13°C (55°F)63 mm (2.5 inches)80%high
June Weather17°C (62°F)84 mm (3.3 inches)75%very high
July Weather18°C (65°F)104 mm (4.1 inches)75%very high
August Weather19°C (66°F)126 mm (4.9 inches)75%high
September Weather16°C (61°F)100 mm (3.9 inches)83%moderate
October Weather13°C (55°F)112 mm (4.4 inches)86%moderate
November Weather8°C (47°F)64 mm (2.5 inches)87%low
December Weather6°C (43°F)102 mm (4.0 inches)86%low

Compare Koudum's Climate with Cities Worldwide