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September Weather in Aalten, Netherlands

Last updated: August 27, 2025

In September, the average temperature in Aalten, Netherlands hovers around 15°C (59°F), with a range that can dip to a cool 3°C (38°F) and climb up to a warm 32°C (90°F). Expect 60 mm (2.4 in) of precipitation spread over 10 days, and prepare for a humid atmosphere with an average humidity of 81%.

September Temperature in Aalten

In September in Aalten, the average temperature is 15°C (59°F). Maximum temperatures can reach 32°C (90°F), while minimums can drop as low as 3°C (38°F). Pack accordingly to enjoy a comfortable stay, as the weather can vary significantly throughout the month.

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

The chart illustrates September temperature patterns in Aalten, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Aalten, September typically has an average temperature of 15°C (59°F), with highs reaching up to 32°C (90°F) and lows dropping to around 3°C (38°F).
JanFebMarAprMayJunJulAugSepOctNovDec394044505766666659544541
Data source: Temperature data for Aalten 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 Aalten

In Aalten in September, the precipitation amount is 60 mm (2.4 in) accumulated over a period of 10 days.

September Precipitation Trends in Aalten

The chart displays monthly precipitation patterns in Aalten, 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 Aalten, September typically receives around 60 mm (2.4 inches) of precipitation spread over approximately 10 days.
JanFebMarAprMayJunJulAugSepOctNovDec687773366668757960875492
Data source: Precipitation data for September generated using information from the Copernicus Climate Change Service.
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September Humidity in Aalten

In Aalten 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 Aalten

This chart illustrates the average monthly humidity levels in Aalten, 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 Aalten 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 Aalten

In Aalten 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 Aalten.

Maximum UV Index Levels in Aalten for September

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

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

This table compares monthly weather conditions in Aalten, showing how September’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather4°C (39°F)68 mm (2.7 inches)91%low
February Weather5°C (41°F)77 mm (3.0 inches)90%low
March Weather7°C (44°F)73 mm (2.9 inches)87%moderate
April Weather10°C (50°F)35 mm (1.4 inches)84%moderate
May Weather14°C (57°F)66 mm (2.6 inches)77%high
June Weather19°C (66°F)68 mm (2.7 inches)74%very high
July Weather19°C (66°F)75 mm (3.0 inches)72%very high
August Weather19°C (66°F)79 mm (3.1 inches)71%high
September Weather15°C (59°F)60 mm (2.4 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 (41°F)92 mm (3.6 inches)92%low

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