September Weather in Richland Center, United States

Last updated: June 24, 2025

In September, the average temperature in Richland Center, United States is a pleasant 18°C (65°F). Expect minimums around 3°C (38°F) and maximums reaching up to 33°C (92°F). During this time, 122 mm (4.8 in) of rain typically falls over about 10 days, contributing to an average humidity of 74%. Prepare accordingly to enjoy the weather!

September Temperature in Richland Center

In September in Richland Center, the average temperature is 18°C (65°F). Maximum temperatures can reach 33°C (92°F), while minimums can drop as low as 3°C (38°F). This diverse temperature range makes Richland Center an interesting destination for travelers seeking both warm days and cooler nights.

September Weather in Richland Center: Daily Temperature Highs, Lows, and Averages

The chart illustrates September temperature patterns in Richland Center, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Richland Center, September typically has an average temperature of 18°C (65°F), with highs reaching up to 33°C (92°F) and lows dropping to around 3°C (38°F).

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

September Precipitation in Richland Center

In Richland Center in September, the total precipitation amount reaches 122 mm (4.8 in) over the course of 10 days.

September Precipitation Trends in Richland Center

The chart displays monthly precipitation patterns in Richland Center, 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 Richland Center, September typically receives around 122 mm (4.8 inches) of precipitation spread over approximately 10 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 Richland Center

In Richland Center in September humidity is 74%. With an average temperature of 18°C (65°F), this humidity feels like a warm, sticky embrace that can make even short walks feel laborious, leading travelers to seek shade and refreshment more often.

September Average Humidity in Richland Center

This chart illustrates the average monthly humidity levels in Richland Center, 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 Richland Center is approximately 74%, 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 Richland Center

In Richland Center 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 Richland Center.

Maximum UV Index Levels in Richland Center for September

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

Data source: Richland Center 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 Richland Center Compares to Other Months

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

This table compares monthly weather conditions in Richland Center, showing how September’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
	Temperature	Precipitation	Humidity	UV
January Weather	-6°C (21°F)	42 mm (1.7 inches)	84%	low
February Weather	-5°C (22°F)	55 mm (2.2 inches)	85%	moderate
March Weather	2°C (37°F)	57 mm (2.3 inches)	84%	moderate
April Weather	8°C (46°F)	83 mm (3.3 inches)	83%	very high
May Weather	15°C (60°F)	133 mm (5.2 inches)	75%	very high
June Weather	21°C (71°F)	125 mm (4.9 inches)	79%	very high
July Weather	24°C (75°F)	99 mm (3.9 inches)	75%	very high
August Weather	22°C (71°F)	98 mm (3.9 inches)	69%	very high
September Weather	18°C (65°F)	122 mm (4.8 inches)	74%	very high
October Weather	10°C (51°F)	119 mm (4.7 inches)	79%	moderate
November Weather	2°C (36°F)	48 mm (1.9 inches)	88%	moderate
December Weather	-2°C (29°F)	42 mm (1.7 inches)	82%	low