September Weather in Rifle, United States

Last updated: June 24, 2025

In September, the average temperature in Rifle, United States is a mild 16°C (62°F). Expect temperature fluctuations with minimums dipping to -1°C (31°F) and maximums soaring to 33°C (92°F). The region sees 20 mm (0.8 in) of precipitation over approximately 3 days, coupled with an average humidity of 53%.

September Temperature in Rifle

In September in Rifle, the average temperature is 16°C (62°F). The maximum can reach 33°C (92°F) and the minimum can be as low as -1°C (31°F). Be prepared for a wide range of temperatures and pack accordingly if you plan to travel during this time.

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

The chart illustrates September temperature patterns in Rifle, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Rifle, September typically has an average temperature of 16°C (62°F), with highs reaching up to 33°C (92°F) and lows dropping to around -1°C (31°F).

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

September Precipitation in Rifle

In Rifle in September, the precipitation amount is 20 mm (0.8 in) accumulated over a period of 3 days.

September Precipitation Trends in Rifle

The chart displays monthly precipitation patterns in Rifle, 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 Rifle, September typically receives around 20 mm (0.8 inches) of precipitation spread over approximately 3 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 Rifle

In Rifle in September humidity is 53%. With an average temperature of 16°C (62°F), this humidity feels like a refreshing embrace, making it pleasant for traveling and exploring, as the air is cool yet carries a hint of moisture that invigorates rather than overwhelms.

September Average Humidity in Rifle

This chart illustrates the average monthly humidity levels in Rifle, 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 Rifle is approximately 53%, 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 Rifle

In Rifle in September, the maximum UV index reaches 10, which corresponds to a very high Exposure Category. With a time to burn of just 15 minutes, it's crucial to take precautions. For more detailed information, you can check the Hourly UV Index in Rifle.

Maximum UV Index Levels in Rifle for September

The chart shows the monthly maximum UV Index (UVI) for Rifle 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 Rifle typically reaches 10, which falls under the very high exposure category.

Data source: Rifle 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 Rifle Compares to Other Months

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

This table compares monthly weather conditions in Rifle, 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 (22°F)	48 mm (1.9 inches)	90%	moderate
February Weather	-4°C (25°F)	65 mm (2.6 inches)	89%	high
March Weather	1°C (34°F)	57 mm (2.2 inches)	81%	very high
April Weather	5°C (41°F)	43 mm (1.7 inches)	74%	extreme
May Weather	11°C (52°F)	40 mm (1.6 inches)	58%	extreme
June Weather	18°C (65°F)	18 mm (0.7 inches)	47%	extreme
July Weather	22°C (72°F)	10 mm (0.4 inches)	39%	extreme
August Weather	21°C (70°F)	10 mm (0.4 inches)	39%	extreme
September Weather	16°C (62°F)	20 mm (0.8 inches)	53%	very high
October Weather	6°C (44°F)	57 mm (2.2 inches)	72%	high
November Weather	1°C (33°F)	33 mm (1.3 inches)	84%	moderate
December Weather	-6°C (22°F)	49 mm (1.9 inches)	90%	moderate