September Weather in Eagle, United States

Last updated: June 24, 2025

In September, the average temperature in Eagle, United States hovers around 13°C (55°F). While temperatures can dip to a chilly -5°C (22°F), they can also soar to a warm 29°C (85°F). Expect 18 mm (0.7 in) of precipitation spread over 4 days, with an average humidity level of 65%. Stay prepared for a mix of weather during your visit!

September Temperature in Eagle

In September in Eagle, the average temperature is 13°C (55°F). The maximum can reach 29°C (85°F), while the minimum can drop as low as -5°C (22°F). This diverse temperature range makes Eagle an interesting destination for travelers, allowing for a variety of outdoor activities and experiences.

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

The chart illustrates September temperature patterns in Eagle, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Eagle, September typically has an average temperature of 13°C (55°F), with highs reaching up to 29°C (85°F) and lows dropping to around -5°C (22°F).

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

September Precipitation in Eagle

In Eagle in September, the total precipitation amount is 18 mm (0.7 in) spread over a duration of 4 days.

September Precipitation Trends in Eagle

The chart displays monthly precipitation patterns in Eagle, 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 Eagle, September typically receives around 18 mm (0.7 inches) of precipitation spread over approximately 4 days.

Data source: Precipitation data for September generated using information from the Copernicus Climate Change Service.

Choose your preferred precipitation unit

Millimeters (mm) Inches (in)

September Humidity in Eagle

In Eagle in September, humidity is 65%. With an average temperature of 13°C (55°F), this humidity feels like a cool, damp embrace, making it essential for travelers to dress in layers and be prepared for occasional drizzles, while still enjoying the freshness of the air.

September Average Humidity in Eagle

This chart illustrates the average monthly humidity levels in Eagle, 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 Eagle is approximately 65%, 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 Eagle

In Eagle 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 Eagle.

Maximum UV Index Levels in Eagle for September

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

Data source: Eagle 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 Eagle Compares to Other Months

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

This table compares monthly weather conditions in Eagle, showing how September’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
	Temperature	Precipitation	Humidity	UV
January Weather	-8°C (18°F)	44 mm (1.7 inches)	88%	moderate
February Weather	-6°C (21°F)	61 mm (2.4 inches)	87%	high
March Weather	-2°C (30°F)	52 mm (2.1 inches)	81%	very high
April Weather	1°C (35°F)	52 mm (2.1 inches)	76%	extreme
May Weather	6°C (44°F)	52 mm (2.0 inches)	66%	extreme
June Weather	14°C (58°F)	29 mm (1.1 inches)	58%	extreme
July Weather	18°C (64°F)	20 mm (0.8 inches)	52%	extreme
August Weather	17°C (63°F)	20 mm (0.8 inches)	56%	extreme
September Weather	13°C (55°F)	18 mm (0.7 inches)	65%	very high
October Weather	3°C (38°F)	52 mm (2.1 inches)	76%	high
November Weather	-3°C (26°F)	42 mm (1.6 inches)	82%	moderate
December Weather	-8°C (18°F)	47 mm (1.8 inches)	89%	moderate