September Weather in Breckenridge, United States

Last updated: June 24, 2025

In September, the average temperature in Breckenridge, United States hovers around 26°C (79°F), but be prepared for a range that can dip as low as 8°C (46°F) and soar up to 39°C (103°F). During this time, you can expect 84 mm (3.3 in) of precipitation scattered over 7 days, with an average humidity level of 64% for a refreshing yet warm experience.

September Temperature in Breckenridge

In September in Breckenridge, the average temperature is 26°C (79°F). Maximum can reach 39°C (103°F) and minimum can be as low as 8°C (46°F). This makes it essential for travelers to prepare for a wide range of temperatures and adjust their plans accordingly.

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

The chart illustrates September temperature patterns in Breckenridge, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Breckenridge, September typically has an average temperature of 26°C (79°F), with highs reaching up to 39°C (103°F) and lows dropping to around 8°C (46°F).
JanFebMarAprMayJunJulAugSepOctNovDec464860667583878679675651
Data source: Temperature data for Breckenridge generated using information from the Copernicus Climate Change Service.
Choose your preferred temperature unit
The average of daily temperatures (24 hours) calculated across all days in the month.

September Precipitation in Breckenridge

In Breckenridge in September, the total precipitation amount is 84 mm (3.3 in) distributed over a span of 7 days.

September Precipitation Trends in Breckenridge

The chart displays monthly precipitation patterns in Breckenridge, 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 Breckenridge, September typically receives around 84 mm (3.3 inches) of precipitation spread over approximately 7 days.
JanFebMarAprMayJunJulAugSepOctNovDec333766718448263984752933
Data source: Precipitation data for September generated using information from the Copernicus Climate Change Service.
Choose your preferred precipitation unit

September Humidity in Breckenridge

In Breckenridge in September, humidity is 64%. With an average temperature of 26°C (79°F), this humidity feels like a warm embrace, making travel slightly uncomfortable as the air clings to your skin and the heat amplifies.

September Average Humidity in Breckenridge

This chart illustrates the average monthly humidity levels in Breckenridge, 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 Breckenridge is approximately 64%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec77%76%74%75%80%80%75%67%64%70%82%85%
Data source: Humidity data for September generated using information from the Copernicus Climate Change Service.

September UV Index in Breckenridge

In Breckenridge 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 Breckenridge.

Maximum UV Index Levels in Breckenridge for September

The chart shows the monthly maximum UV Index (UVI) for Breckenridge 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 Breckenridge typically reaches 10, which falls under the very high exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec479101111111110864
Data source: Breckenridge 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 Breckenridge Compares to Other Months

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

This table compares monthly weather conditions in Breckenridge, showing how September’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather8°C (46°F)33 mm (1.3 inches)77%moderate
February Weather9°C (48°F)37 mm (1.4 inches)76%high
March Weather16°C (60°F)66 mm (2.6 inches)74%very high
April Weather19°C (66°F)71 mm (2.8 inches)75%very high
May Weather24°C (76°F)84 mm (3.3 inches)80%extreme
June Weather28°C (83°F)48 mm (1.9 inches)80%extreme
July Weather30°C (87°F)26 mm (1.0 inches)75%extreme
August Weather30°C (86°F)39 mm (1.6 inches)67%extreme
September Weather26°C (79°F)84 mm (3.3 inches)64%very high
October Weather20°C (67°F)75 mm (2.9 inches)70%very high
November Weather13°C (56°F)28 mm (1.1 inches)82%high
December Weather10°C (51°F)33 mm (1.3 inches)85%moderate

Compare Breckenridge's Climate with Cities Worldwide