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September Weather in Oplinter, Belgium

Last updated: August 22, 2025

In Oplinter, Belgium, the average temperature in September is a comfortable 15°C (60°F). Expect a range that dips to a minimum of 3°C (38°F) and can peak at a sultry 33°C (93°F). This month typically sees 62 mm (2.5 in) of precipitation over 9 days, contributing to an average humidity of 82%. Ideal for those who enjoy a mild climate with a hint of moisture!

September Temperature in Oplinter

In September in Oplinter, the average temperature is 15°C (60°F). Maximum can reach 33°C (93°F), and the minimum can be as low as 3°C (38°F). Be sure to pack layers to accommodate the wide temperature range while traveling!

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

The chart illustrates September temperature patterns in Oplinter, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Oplinter, September typically has an average temperature of 15°C (60°F), with highs reaching up to 33°C (93°F) and lows dropping to around 3°C (38°F).
JanFebMarAprMayJunJulAugSepOctNovDec394145505664666659544541
Data source: Temperature data for Oplinter 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 Oplinter

In Oplinter in September, the precipitation amount is 62 mm (2.5 in) over a span of 9 days, indicating a relatively wet period.

September Precipitation Trends in Oplinter

The chart displays monthly precipitation patterns in Oplinter, 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 Oplinter, September typically receives around 62 mm (2.5 inches) of precipitation spread over approximately 9 days.
JanFebMarAprMayJunJulAugSepOctNovDec6573743765788292638657102
Data source: Precipitation data for September generated using information from the Copernicus Climate Change Service.
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September Humidity in Oplinter

In Oplinter in September humidity is 82%. With an average temperature of 15°C (60°F), this humidity feels like a heavy blanket wrapping around you, making outdoor activities feel sticky and draining, which can hinder your travel experience.

September Average Humidity in Oplinter

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

In Oplinter 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 Oplinter.

Maximum UV Index Levels in Oplinter for September

The chart shows the monthly maximum UV Index (UVI) for Oplinter 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 Oplinter typically reaches 5, which falls under the moderate exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec124578875421
Data source: Oplinter 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 Oplinter Compares to Other Months

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

This table compares monthly weather conditions in Oplinter, showing how September’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather4°C (39°F)65 mm (2.6 inches)91%low
February Weather5°C (41°F)73 mm (2.9 inches)89%low
March Weather7°C (45°F)74 mm (2.9 inches)87%moderate
April Weather10°C (50°F)37 mm (1.5 inches)85%moderate
May Weather13°C (56°F)65 mm (2.5 inches)82%high
June Weather18°C (65°F)78 mm (3.1 inches)82%very high
July Weather19°C (66°F)82 mm (3.2 inches)80%very high
August Weather19°C (66°F)92 mm (3.6 inches)76%high
September Weather15°C (60°F)62 mm (2.5 inches)82%moderate
October Weather12°C (54°F)86 mm (3.4 inches)89%moderate
November Weather7°C (45°F)57 mm (2.2 inches)92%low
December Weather5°C (42°F)102 mm (4.0 inches)92%low

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