September Weather in Redfield, United States

Last updated: June 24, 2025

In September, the average temperature in Redfield, United States is a pleasant 18°C (64°F). Expect a minimum of 2°C (36°F) and a comfortable maximum of 35°C (95°F). You'll also encounter precipitation averaging 86 mm (3.4 in) over 7 days, alongside an average humidity level of 77%.

September Temperature in Redfield

In September in Redfield, the average temperature is 18°C (64°F). Maximum temperatures can reach 35°C (95°F), while minimums can dip to as low as 2°C (36°F). Be prepared for a wide range of temperatures, making it ideal for both warm and cooler outdoor activities.

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

The chart illustrates September temperature patterns in Redfield, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Redfield, September typically has an average temperature of 18°C (64°F), with highs reaching up to 35°C (95°F) and lows dropping to around 2°C (36°F).

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

September Precipitation in Redfield

In Redfield in September, the total precipitation amount is 86 mm (3.4 in) over a span of 7 days.

September Precipitation Trends in Redfield

The chart displays monthly precipitation patterns in Redfield, 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 Redfield, September typically receives around 86 mm (3.4 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 Redfield

In Redfield in September humidity is 77%. With an average temperature of 18°C (64°F), this humidity feels like a warm embrace, making it feel muggy and potentially uncomfortable for traveling, as sweat clings to your skin and the air thickens around you.

September Average Humidity in Redfield

This chart illustrates the average monthly humidity levels in Redfield, 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 Redfield is approximately 77%, 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 Redfield

In Redfield 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 Redfield.

Maximum UV Index Levels in Redfield for September

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

Data source: Redfield 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 Redfield Compares to Other Months

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

This table compares monthly weather conditions in Redfield, showing how September’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
	Temperature	Precipitation	Humidity	UV
January Weather	-9°C (17°F)	17 mm (0.7 inches)	81%	moderate
February Weather	-9°C (15°F)	17 mm (0.7 inches)	85%	moderate
March Weather	0°C (33°F)	37 mm (1.5 inches)	76%	moderate
April Weather	6°C (43°F)	46 mm (1.8 inches)	79%	high
May Weather	15°C (59°F)	70 mm (2.8 inches)	76%	very high
June Weather	22°C (73°F)	71 mm (2.8 inches)	81%	very high
July Weather	24°C (76°F)	96 mm (3.8 inches)	82%	very high
August Weather	22°C (72°F)	83 mm (3.3 inches)	82%	very high
September Weather	18°C (64°F)	86 mm (3.4 inches)	77%	very high
October Weather	8°C (47°F)	66 mm (2.6 inches)	76%	moderate
November Weather	1°C (34°F)	15 mm (0.6 inches)	84%	moderate
December Weather	-5°C (24°F)	30 mm (1.2 inches)	81%	low