Breckenridge weather in September
September in Breckenridge: nice, a little rain, with clean air — not the best time to visit.
#10 of 12 months in Breckenridge · #880 of 897 destinations to visit in September · comfort 34/100 (tier F)
Updated June 2026 · climate normals from ERA5 reanalysis
Traveller notes on Breckenridge in September
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Breckenridge climate normals — September
| Daytime high | 18°C / 64°F | 😎 nice |
|---|---|---|
| Nighttime low | 4°C / 40°F | |
| Rainfall | 36 mm / 1.4 in | 🌦 some rain |
| Rainy days | 8 days | |
| Humidity | 56% | 🍃 comfortable |
| Dew point | 1°C / 33°F | |
| Sunshine | 11.2 h/day | |
| Daylight | 12.4 h | |
| Wind | 13 km/h / 8 mph | |
| Snowfall | 4.4 cm / 1.7 in | |
| Air quality (US AQI) | 44 | 🍃 good |
Monthly averages from ERA5 reanalysis. AQI is the mean US Air Quality Index for the month.
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Breckenridge in September — FAQ
- Is September a good time to visit Breckenridge?
- September in Breckenridge: nice, a little rain, with clean air — not the best time to visit. It ranks #10 of 12 months for Breckenridge on SeasonMap's comfort score (34/100).
- What is the weather like in Breckenridge in September?
- In September, Breckenridge averages a daily high of 17.9°C and a low of 4.2°C, with about 35.9 mm of rain over roughly 8.4 rainy days.
- What is the air quality in Breckenridge in September?
- Breckenridge has a mean US Air Quality Index of about 44 in September.
- Does it snow in Breckenridge in September?
- Breckenridge sees roughly 4.4 cm of snowfall in September.