September Weather in Richfield, United States

Last updated: June 24, 2025

In Richfield, United States, the average temperature in September hovers around 23°C (74°F), creating a pleasant climate for outdoor activities. The temperature can dip as low as 7°C (46°F) and soar to a maximum of 35°C (96°F), offering a diverse range of weather experiences. Expect about 154 mm (6.1 in) of precipitation spread across 10 days, contributing to an average humidity of 75%. Perfect for those who appreciate a little warmth and the occasional refreshing rain!

September Temperature in Richfield

In September in Richfield, the average temperature is 23°C (74°F). Maximums can reach 35°C (96°F) and minimums can be as low as 7°C (46°F). This makes Richfield a great destination for travelers seeking warm days and cooler evenings.

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

The chart illustrates September temperature patterns in Richfield, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Richfield, September typically has an average temperature of 23°C (74°F), with highs reaching up to 35°C (96°F) and lows dropping to around 7°C (46°F).

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

September Precipitation in Richfield

In Richfield in September, the precipitation amount is 154 mm (6.1 in) over a span of 10 days.

September Precipitation Trends in Richfield

The chart displays monthly precipitation patterns in Richfield, 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 Richfield, September typically receives around 154 mm (6.1 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 Richfield

In Richfield in September, humidity is 75%. With an average temperature of 23°C (74°F), this humidity feels like a warm, heavy blanket wrapping around you, making it feel more sweltering than it actually is, which can be quite uncomfortable for traveling.

September Average Humidity in Richfield

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

In Richfield 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 Richfield.

Maximum UV Index Levels in Richfield for September

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

Data source: Richfield 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 Richfield Compares to Other Months

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

This table compares monthly weather conditions in Richfield, 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 (43°F)	95 mm (3.7 inches)	86%	moderate
February Weather	9°C (49°F)	116 mm (4.6 inches)	85%	high
March Weather	12°C (53°F)	84 mm (3.3 inches)	84%	very high
April Weather	16°C (62°F)	103 mm (4.0 inches)	82%	very high
May Weather	21°C (71°F)	119 mm (4.7 inches)	83%	very high
June Weather	24°C (76°F)	101 mm (4.0 inches)	82%	extreme
July Weather	27°C (80°F)	102 mm (4.0 inches)	80%	very high
August Weather	26°C (78°F)	113 mm (4.4 inches)	74%	very high
September Weather	23°C (74°F)	154 mm (6.1 inches)	75%	very high
October Weather	18°C (65°F)	90 mm (3.6 inches)	79%	very high
November Weather	10°C (51°F)	87 mm (3.4 inches)	87%	moderate
December Weather	8°C (47°F)	115 mm (4.5 inches)	87%	moderate