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September Weather in Eagle, United States

Last updated: June 24, 2025

In Eagle, United States, the average temperature for September is a pleasant 18°C (64°F). However, temperatures can vary significantly, dropping to a chilly 2°C (35°F) at their lowest and soaring to a scorching 36°C (97°F) at the highest. Rainfall is minimal, with about 14 mm (0.6 in) of precipitation typically spread over 3 days. The average humidity sits at a comfortable 48%, making for a unique climate overall.

September Temperature in Eagle

In September in Eagle, the average temperature is 18°C (64°F). The maximum can reach 36°C (97°F), while the minimum can be as low as 2°C (35°F). Travelers should be prepared for a wide range of temperatures, from warm days to cool nights.

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 18°C (64°F), with highs reaching up to 36°C (97°F) and lows dropping to around 2°C (35°F).
JanFebMarAprMayJunJulAugSepOctNovDec303342485766777464494032
Data source: Temperature data for Eagle generated using information from the Copernicus Climate Change Service.
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The average of daily temperatures (24 hours) calculated across all days in the month.

September Precipitation in Eagle

In Eagle in September, the precipitation amount is 14 mm (0.6 in) accumulated over the course of 3 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 14 mm (0.6 inches) of precipitation spread over approximately 3 days.
JanFebMarAprMayJunJulAugSepOctNovDec61725350482721314294652
Data source: Precipitation data for September generated using information from the Copernicus Climate Change Service.
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September Humidity in Eagle

In Eagle in September humidity is 48%. With an average temperature of 18°C (64°F), this humidity feels like a refreshing embrace, ideal for exploring the sights without feeling too sticky or uncomfortable.

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 48%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec88%89%85%79%71%71%66%50%48%65%84%87%
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 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 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 8, which falls under the very high exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec356810111198642
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.
 TemperaturePrecipitationHumidityUV
January Weather-1°C (30°F)61 mm (2.4 inches)88%moderate
February Weather1°C (33°F)72 mm (2.9 inches)89%moderate
March Weather6°C (43°F)53 mm (2.1 inches)85%high
April Weather9°C (49°F)50 mm (2.0 inches)79%very high
May Weather14°C (57°F)48 mm (1.9 inches)71%very high
June Weather19°C (67°F)26 mm (1.0 inches)71%extreme
July Weather25°C (77°F)2 mm (0.1 inches)66%extreme
August Weather23°C (74°F)13 mm (0.5 inches)50%very high
September Weather18°C (64°F)14 mm (0.6 inches)48%very high
October Weather10°C (50°F)29 mm (1.1 inches)65%high
November Weather4°C (40°F)46 mm (1.8 inches)84%moderate
December Weather0°C (32°F)52 mm (2.0 inches)87%low

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