September Weather in Ainsworth, United States

Last updated: June 24, 2025

In September, the average temperature in Ainsworth, United States hovers around 19°C (66°F), offering a pleasant climate for various activities. Expect fluctuations, with minimums dipping to 3°C (37°F) and maximums soaring to 36°C (97°F). Be prepared for some rain, as 56 mm (2.2 in) of precipitation can be expected over 6 days, coupled with an average humidity of 75%.

September Temperature in Ainsworth

In September in Ainsworth, the average temperature is 19°C (66°F), with maximums reaching up to 36°C (97°F) and minimums dropping as low as 3°C (37°F). This range makes it essential for travelers to pack both lightweight clothing for the warmer days and warmer layers for the cooler evenings.

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

The chart illustrates September temperature patterns in Ainsworth, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Ainsworth, September typically has an average temperature of 19°C (66°F), with highs reaching up to 36°C (97°F) and lows dropping to around 3°C (37°F).

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

September Precipitation in Ainsworth

In Ainsworth in September, the precipitation amount is 56 mm (2.2 in) spread over 6 days.

September Precipitation Trends in Ainsworth

The chart displays monthly precipitation patterns in Ainsworth, 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 Ainsworth, September typically receives around 56 mm (2.2 inches) of precipitation spread over approximately 6 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 Ainsworth

In Ainsworth in September humidity is 75%. With an average temperature of 19°C (66°F), this humidity feels like a warm, enveloping blanket, making it slightly uncomfortable for traveling as you navigate through the thick, muggy air.

September Average Humidity in Ainsworth

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

In Ainsworth 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 Ainsworth.

Maximum UV Index Levels in Ainsworth for September

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

Data source: Ainsworth 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 Ainsworth Compares to Other Months

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

This table compares monthly weather conditions in Ainsworth, showing how September’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
	Temperature	Precipitation	Humidity	UV
January Weather	-4°C (25°F)	21 mm (0.8 inches)	77%	moderate
February Weather	-5°C (23°F)	23 mm (0.9 inches)	81%	moderate
March Weather	3°C (37°F)	70 mm (2.7 inches)	71%	high
April Weather	7°C (45°F)	54 mm (2.1 inches)	75%	very high
May Weather	14°C (58°F)	124 mm (4.9 inches)	74%	very high
June Weather	22°C (72°F)	87 mm (3.4 inches)	82%	extreme
July Weather	24°C (76°F)	87 mm (3.4 inches)	84%	very high
August Weather	22°C (72°F)	87 mm (3.4 inches)	82%	very high
September Weather	19°C (66°F)	56 mm (2.2 inches)	75%	very high
October Weather	9°C (48°F)	61 mm (2.4 inches)	72%	high
November Weather	3°C (38°F)	22 mm (0.9 inches)	81%	moderate
December Weather	-2°C (29°F)	37 mm (1.5 inches)	79%	moderate