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September Weather in Poortvliet, Netherlands

Last updated: August 27, 2025

In September, the average temperature in Poortvliet, Netherlands hovers around 16°C (60°F). While you might enjoy a mild atmosphere, be prepared for a minimum of 4°C (39°F) and the potential for a sweltering maximum of 32°C (90°F). This month also brings about 60 mm (2.3 in) of rainfall spread over approximately 10 days, contributing to an average humidity of a cozy 82%.

September Temperature in Poortvliet

In September in Poortvliet, the average temperature is 16°C (60°F). The maximum can reach 32°C (90°F) and the minimum can be as low as 4°C (39°F). Be prepared for a range of weather conditions, making it a great time for both outdoor activities and cozy indoor experiences.

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

The chart illustrates September temperature patterns in Poortvliet, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Poortvliet, September typically has an average temperature of 16°C (60°F), with highs reaching up to 32°C (90°F) and lows dropping to around 4°C (39°F).
JanFebMarAprMayJunJulAugSepOctNovDec404245505764666660544642
Data source: Temperature data for Poortvliet 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 Poortvliet

In Poortvliet in September, the precipitation amount is 60 mm (2.3 in) over a span of 10 days.

September Precipitation Trends in Poortvliet

The chart displays monthly precipitation patterns in Poortvliet, 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 Poortvliet, September typically receives around 60 mm (2.3 inches) of precipitation spread over approximately 10 days.
JanFebMarAprMayJunJulAugSepOctNovDec626369416672828460885693
Data source: Precipitation data for September generated using information from the Copernicus Climate Change Service.
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September Humidity in Poortvliet

In Poortvliet in September humidity is 82%. With an average temperature of 16°C (60°F), this humidity feels like walking through a warm, thick blanket that clings to your skin, making every step feel heavier and travel more exhausting.

September Average Humidity in Poortvliet

This chart illustrates the average monthly humidity levels in Poortvliet, 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 Poortvliet is approximately 82%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec91%89%87%85%82%82%80%76%82%89%92%92%
Data source: Humidity data for September generated using information from the Copernicus Climate Change Service.

September UV Index in Poortvliet

In Poortvliet 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 Poortvliet.

Maximum UV Index Levels in Poortvliet for September

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

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

This table compares monthly weather conditions in Poortvliet, showing how September’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather5°C (40°F)62 mm (2.4 inches)91%low
February Weather5°C (42°F)63 mm (2.5 inches)89%low
March Weather7°C (45°F)69 mm (2.7 inches)87%moderate
April Weather10°C (50°F)41 mm (1.6 inches)85%moderate
May Weather14°C (57°F)66 mm (2.6 inches)82%high
June Weather18°C (65°F)72 mm (2.8 inches)82%very high
July Weather19°C (66°F)82 mm (3.2 inches)80%very high
August Weather19°C (66°F)84 mm (3.3 inches)76%high
September Weather16°C (60°F)60 mm (2.3 inches)82%moderate
October Weather12°C (55°F)88 mm (3.5 inches)89%moderate
November Weather8°C (46°F)56 mm (2.2 inches)92%low
December Weather6°C (43°F)93 mm (3.7 inches)92%low

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