The climate in Breckenridge during September can be summarized as mild and reasonably dry.
September is in the fall / autumn in Breckenridge and is typically the 4th warmest month of the year. Daytime maximum temperatures average around 22°C (71°F), whilst at night 8°C (46°F) is normal.
Daytime temperature | 21.7°C 71°F |
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Nightly temperature | 8°C 46.3°F |
Average temperature | 14.8°C 58.6°F |
Daily sunshine | 8.5 hrs |
Avg rainfall | 57 mm 2.3 ins |
Rainy days | 8 days |
Sea temperature | 15.2°C 59.4°F |
Humidity | 70% |
Windspeed | 18.4kph 11 mph |
On average September is the 5th wettest month of the year in Breckenridge with around 57mm 2.3 inches of rain making it a reasonably dry time to visit. This rainfall is typically spread over 8 days, although this may vary considerably.
On the flip side this corresponds to an average of 8.5 hours of sunshine per day.
The data used in these monthly averages covers a period of over 100 years right up until last year. As such they are a valid prediction of what to expect for the weather in Breckenridge in September 2025.
Best places to visit in September
Hottest month: | July | 28.6°C 83.5°F |
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Driest month: | February | 11mm 0.4ins |
Sunniest month: | July | 12.2hrs |
Coldest month: | January | -8.7°C 16.3°F |
Wettest month: | June | 90mm 3.5ins |