September Weather in Ackley, United States

Last updated: June 24, 2025

In September, the average temperature in Ackley, United States is a pleasant 19°C (67°F), with minimums dipping to 3°C (37°F) and maximums reaching up to 34°C (93°F). Visitors can expect 117 mm (4.6 in) of precipitation spread over 9 days, accompanied by an average humidity of 75%. Embrace the climate as it adds a unique charm to your travel experience!

September Temperature in Ackley

In September in Ackley, the average temperature is 19°C (67°F). The maximum can reach 34°C (93°F), while the minimum can drop as low as 3°C (37°F). This makes it an ideal time for travelers to enjoy a variety of outdoor activities, from warm afternoons to cool evenings.

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

The chart illustrates September temperature patterns in Ackley, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Ackley, September typically has an average temperature of 19°C (67°F), with highs reaching up to 34°C (93°F) and lows dropping to around 3°C (37°F).

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

September Precipitation in Ackley

In Ackley in September, the total precipitation amount is 117 mm (4.6 in) spread over a period of 9 days.

September Precipitation Trends in Ackley

The chart displays monthly precipitation patterns in Ackley, 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 Ackley, September typically receives around 117 mm (4.6 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 Ackley

In Ackley in September humidity is 75%. With an average temperature of 19°C (67°F), this humidity feels like a warm embrace, making travel invigorating yet slightly sticky, as you navigate through the vibrant streets or scenic landscapes.

September Average Humidity in Ackley

This chart illustrates the average monthly humidity levels in Ackley, 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 Ackley is approximately 75%, 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 Ackley

In Ackley in September, the maximum UV index is 8, which corresponds to a very high Exposure Category. This means that the time to burn is only 15 minutes. For more detailed information, you can refer to the Hourly UV Index in Ackley.

Maximum UV Index Levels in Ackley for September

The chart shows the monthly maximum UV Index (UVI) for Ackley 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 Ackley typically reaches 8, which falls under the very high exposure category.

Data source: Ackley 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 Ackley Compares to Other Months

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

This table compares monthly weather conditions in Ackley, showing how September’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
	Temperature	Precipitation	Humidity	UV
January Weather	-7°C (20°F)	39 mm (1.5 inches)	82%	moderate
February Weather	-6°C (21°F)	48 mm (1.9 inches)	84%	moderate
March Weather	3°C (37°F)	72 mm (2.8 inches)	80%	high
April Weather	8°C (47°F)	83 mm (3.3 inches)	81%	very high
May Weather	16°C (61°F)	149 mm (5.9 inches)	74%	very high
June Weather	23°C (73°F)	121 mm (4.8 inches)	80%	extreme
July Weather	24°C (75°F)	104 mm (4.1 inches)	80%	very high
August Weather	22°C (72°F)	95 mm (3.7 inches)	77%	very high
September Weather	19°C (67°F)	117 mm (4.6 inches)	75%	very high
October Weather	11°C (51°F)	126 mm (5.0 inches)	80%	high
November Weather	2°C (37°F)	47 mm (1.8 inches)	87%	moderate
December Weather	-2°C (29°F)	34 mm (1.3 inches)	83%	moderate