September Weather in Chaffee, United States

Last updated: June 24, 2025

In September, the average temperature in Chaffee, United States is a pleasant 23°C (73°F), ranging from a cool minimum of 8°C (46°F) to a warm maximum of 36°C (97°F). Expect around 74 mm (2.9 in) of precipitation over 7 days, with an average humidity of 75%, creating a balance between comfort and occasional wet weather.

September Temperature in Chaffee

In September in Chaffee, the average temperature is 23°C (73°F), with maximums reaching up to 36°C (97°F) and minimums dropping as low as 8°C (46°F). This is an ideal time for travelers to enjoy a variety of outdoor activities while being prepared for fluctuating temperatures.

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

The chart illustrates September temperature patterns in Chaffee, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Chaffee, September typically has an average temperature of 23°C (73°F), with highs reaching up to 36°C (97°F) and lows dropping to around 8°C (46°F).

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

September Precipitation in Chaffee

In Chaffee in September, the precipitation amount is 74 mm (2.9 in) over a period of 7 days.

September Precipitation Trends in Chaffee

The chart displays monthly precipitation patterns in Chaffee, 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 Chaffee, September typically receives around 74 mm (2.9 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 Chaffee

In Chaffee in September, humidity is 75%. With an average temperature of 23°C (73°F), this humidity feels like a warm embrace, making travel slightly uncomfortable yet invigorating as the air wraps around you, creating a sense of walking through a lush, tropical paradise.

September Average Humidity in Chaffee

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

In Chaffee 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 Chaffee.

Maximum UV Index Levels in Chaffee for September

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

Data source: Chaffee 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 Chaffee Compares to Other Months

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

This table compares monthly weather conditions in Chaffee, showing how September’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
	Temperature	Precipitation	Humidity	UV
January Weather	2°C (36°F)	105 mm (4.1 inches)	86%	moderate
February Weather	4°C (40°F)	124 mm (4.9 inches)	84%	high
March Weather	10°C (50°F)	160 mm (6.3 inches)	84%	high
April Weather	14°C (57°F)	137 mm (5.4 inches)	80%	very high
May Weather	20°C (69°F)	159 mm (6.3 inches)	82%	extreme
June Weather	25°C (77°F)	94 mm (3.7 inches)	83%	extreme
July Weather	27°C (80°F)	97 mm (3.8 inches)	79%	very high
August Weather	25°C (77°F)	93 mm (3.6 inches)	76%	very high
September Weather	23°C (73°F)	74 mm (2.9 inches)	75%	very high
October Weather	16°C (61°F)	130 mm (5.1 inches)	74%	high
November Weather	8°C (46°F)	92 mm (3.6 inches)	85%	moderate
December Weather	5°C (42°F)	88 mm (3.5 inches)	88%	moderate