September · United States
Best time to visit Vail in September Weather, crowds & prices
Weather in Vail in September
Average temperature 9°C, 28 mm of rain, about 23 days with 6+ hours of sunshine and 52% humidity — based on the five most recent complete years of ERA5 data (2021–2025).
September score
1.7/10
Ranked #12 of 12 months
- Avg temp
- 9°C
- Rainfall
- 28 mm
- Humidity
- 52%
- Days with 6h+ sun
- 23
- Crowd Density
- Quiet / Uncrowded
- Average Expenses
- $ · Budget Friendly ($)
September in Vail scores 1.7/10 for snow and ski travel - ranked #12 of 12. Expect around 9°C, 28 mm of rain, and roughly 23 days with 6+ hours of sunshine this month.
Vail's deep powder, Bavarian-style village and back bowls make it one of Colorado's biggest ski resorts.
September in Vail — off-season conditions
September averages 9°C (48°F) — jacket weather. Comfortable for walking and museums, too cool for anything water-based.
Expect 28 mm of rain — occasional showers rather than washed-out days — alongside about 23 days with 6+ hours of sunshine and 12.2 daylight hours.
It scores 1.7/10 here, 12th of 12 months, against 9.7/10 in the destination's best month.
Pack a mid-weight jacket, long sleeves and shoes you can walk 15 km in.
Plan for low-season pricing, with crowds are light for this destination.
Flexible dates? April scores 8 points higher here — enough to change the trip.
Frequently asked
- What is the weather like in Vail in September?
- In September, Vail averages 9°C, 28 mm of rain, and about 23 days with 6+ hours of sunshine. Its climate-comfort score is 1.7/10.
- Is September a good time to visit Vail?
- September earns a 1.7/10 climate-comfort score. Use the year-round chart to weigh the weather against your budget and crowd preferences.
- How much does it rain in Vail in September?
- Expect about 28 mm of rain in September. Average humidity is 52% and there are about 23 days with 6+ hours of sunshine.
Curated in Vail
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Things to do in Vail
Vail, United States. Live activities and tours from GetYourGuide, matched to this destination.