September Weather in Rangely, United States

Last updated: June 24, 2025

In Rangely, United States, the average temperature in September hovers around 19°C (67°F). Expect temperatures to range from a chilly 0°C (32°F) to a sweltering 35°C (96°F). Rainfall is modest, with about 18 mm (0.7 in) of precipitation over 2 days. You can also anticipate an average humidity of 53%, making for a pleasantly mild climate overall.

September Temperature in Rangely

In September in Rangely, the average temperature is 19°C (67°F), with maximums reaching up to 35°C (96°F) and minimums dipping as low as 0°C (32°F). Travelers should be prepared for both warm days and chilly nights.

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

The chart illustrates September temperature patterns in Rangely, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Rangely, September typically has an average temperature of 19°C (67°F), with highs reaching up to 35°C (96°F) and lows dropping to around 0°C (32°F).

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

September Precipitation in Rangely

In Rangely in September, the precipitation amount is 18 mm (0.7 in) over the course of 2 days.

September Precipitation Trends in Rangely

The chart displays monthly precipitation patterns in Rangely, 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 Rangely, September typically receives around 18 mm (0.7 inches) of precipitation spread over approximately 2 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 Rangely

In Rangely in September humidity is 53%. With an average temperature of 19°C (67°F), this humidity feels like a comfortable embrace, making it a pleasant time for traveling as you can explore the sights without feeling too hot or sticky.

September Average Humidity in Rangely

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

In Rangely 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 Rangely.

Maximum UV Index Levels in Rangely for September

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

Data source: Rangely 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 Rangely Compares to Other Months

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

This table compares monthly weather conditions in Rangely, 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)	26 mm (1.0 inches)	90%	moderate
February Weather	-3°C (26°F)	37 mm (1.4 inches)	89%	high
March Weather	3°C (38°F)	40 mm (1.6 inches)	81%	very high
April Weather	9°C (49°F)	23 mm (0.9 inches)	74%	very high
May Weather	15°C (59°F)	31 mm (1.2 inches)	58%	extreme
June Weather	22°C (73°F)	10 mm (0.4 inches)	47%	extreme
July Weather	26°C (79°F)	9 mm (0.4 inches)	39%	extreme
August Weather	25°C (77°F)	11 mm (0.4 inches)	39%	extreme
September Weather	19°C (67°F)	18 mm (0.7 inches)	53%	very high
October Weather	9°C (48°F)	37 mm (1.5 inches)	72%	high
November Weather	4°C (39°F)	16 mm (0.6 inches)	84%	high
December Weather	-3°C (27°F)	27 mm (1.1 inches)	90%	moderate