September Weather in Holland, United States

Last updated: June 24, 2025

In September, the average temperature in Holland, United States is a pleasant 24°C (76°F). However, temperatures can range significantly, dipping to a chilly 8°C (47°F) and soaring up to a sweltering 36°C (97°F). Expect around 82 mm (3.2 in) of precipitation spread over 7 days, with humidity levels hovering around 71%.

September Temperature in Holland

In September in Holland, the average temperature is 24°C (76°F), with maximums reaching 36°C (97°F) and minimums dropping to as low as 8°C (47°F). This makes it an ideal time for travelers seeking a warm yet comfortable climate.

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

The chart illustrates September temperature patterns in Holland, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Holland, September typically has an average temperature of 24°C (76°F), with highs reaching up to 36°C (97°F) and lows dropping to around 8°C (47°F).

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

September Precipitation in Holland

In Holland in September, the precipitation amount is 82 mm (3.2 in) over the course of 7 days.

September Precipitation Trends in Holland

The chart displays monthly precipitation patterns in Holland, 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 Holland, September typically receives around 82 mm (3.2 inches) of precipitation spread over approximately 7 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 Holland

In Holland in September humidity is 71%. With an average temperature of 24°C (76°F), this humidity feels like a warm, tropical embrace, making it essential to stay hydrated while exploring, as the air is thick and can leave you feeling sticky and slightly tired after even short excursions.

September Average Humidity in Holland

This chart illustrates the average monthly humidity levels in Holland, 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 Holland is approximately 71%, 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 Holland

In Holland in September, the maximum UV index is 9, which corresponds to a very high Exposure Category. The time to burn is just 15 minutes, so it's essential to take precautions. For detailed information, you can check the Hourly UV Index in Holland.

Maximum UV Index Levels in Holland for September

The chart shows the monthly maximum UV Index (UVI) for Holland 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 Holland typically reaches 9, which falls under the very high exposure category.

Data source: Holland 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 Holland Compares to Other Months

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

This table compares monthly weather conditions in Holland, showing how September’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
	Temperature	Precipitation	Humidity	UV
January Weather	5°C (41°F)	92 mm (3.6 inches)	84%	moderate
February Weather	7°C (44°F)	157 mm (6.2 inches)	83%	high
March Weather	12°C (54°F)	155 mm (6.1 inches)	81%	very high
April Weather	15°C (60°F)	160 mm (6.3 inches)	81%	very high
May Weather	21°C (70°F)	185 mm (7.3 inches)	83%	extreme
June Weather	25°C (78°F)	120 mm (4.7 inches)	83%	extreme
July Weather	27°C (82°F)	90 mm (3.6 inches)	81%	extreme
August Weather	26°C (80°F)	117 mm (4.6 inches)	74%	very high
September Weather	24°C (76°F)	82 mm (3.2 inches)	71%	very high
October Weather	17°C (63°F)	102 mm (4.0 inches)	76%	high
November Weather	10°C (50°F)	81 mm (3.2 inches)	84%	moderate
December Weather	8°C (46°F)	116 mm (4.6 inches)	88%	moderate