September Weather in Ghent, United States

Last updated: June 24, 2025

In September, the average temperature in Ghent, United States hovers around 18°C (65°F). Expect temperatures to vary, with a minimum of 1°C (35°F) and highs reaching up to 32°C (90°F). Be prepared for about 100 mm (3.9 in) of precipitation over approximately 9 days, along with an average humidity of 72%.

September Temperature in Ghent

In September in Ghent, the average temperature is 18°C (65°F). Maximums can reach 32°C (90°F), while minimums can be as low as 1°C (35°F). This variety in temperature makes it essential to pack layers for your travels.

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

The chart illustrates September temperature patterns in Ghent, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Ghent, September typically has an average temperature of 18°C (65°F), with highs reaching up to 32°C (90°F) and lows dropping to around 1°C (35°F).

Data source: Temperature data for Ghent generated using information from the Copernicus Climate Change Service.

September Precipitation in Ghent

In Ghent in September, the precipitation amount is 100 mm (3.9 in) spread over 9 days.

September Precipitation Trends in Ghent

The chart displays monthly precipitation patterns in Ghent, 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 Ghent, September typically receives around 100 mm (3.9 inches) of precipitation spread over approximately 9 days.

Data source: Precipitation data for September generated using information from the Copernicus Climate Change Service.

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Millimeters (mm) Inches (in)

September Humidity in Ghent

In Ghent in September humidity is 72%. With an average temperature of 18°C (65°F), this humidity feels like a warm, sticky embrace, making traveling somewhat uncomfortable as the air clings to your skin and the heat can be stifling, yet it's perfect for enjoying leisurely strolls under the shade.

September Average Humidity in Ghent

This chart illustrates the average monthly humidity levels in Ghent, 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 Ghent is approximately 72%, offering insight into how humid the weather typically is during this month.

Data source: Humidity data for September generated using information from the Copernicus Climate Change Service.

September UV Index in Ghent

In Ghent in September, the maximum UV index is 7, which corresponds to the high Exposure Category. This means that the time to burn is approximately 25 minutes. For more detailed information, you can check the Hourly UV Index in Ghent.

Maximum UV Index Levels in Ghent for September

The chart shows the monthly maximum UV Index (UVI) for Ghent 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 Ghent typically reaches 7, which falls under the high exposure category.

Data source: Ghent 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 Ghent Compares to Other Months

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

This table compares monthly weather conditions in Ghent, showing how September’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
	Temperature	Precipitation	Humidity	UV
January Weather	-3°C (27°F)	73 mm (2.9 inches)	89%	moderate
February Weather	-1°C (30°F)	89 mm (3.5 inches)	88%	moderate
March Weather	2°C (36°F)	81 mm (3.2 inches)	86%	high
April Weather	8°C (47°F)	121 mm (4.8 inches)	84%	very high
May Weather	15°C (58°F)	107 mm (4.2 inches)	76%	very high
June Weather	20°C (68°F)	75 mm (3.0 inches)	72%	very high
July Weather	23°C (73°F)	114 mm (4.5 inches)	66%	very high
August Weather	22°C (72°F)	92 mm (3.6 inches)	64%	very high
September Weather	18°C (65°F)	100 mm (3.9 inches)	72%	high
October Weather	12°C (54°F)	136 mm (5.4 inches)	81%	high
November Weather	4°C (40°F)	95 mm (3.7 inches)	87%	moderate
December Weather	0°C (32°F)	99 mm (3.9 inches)	84%	low