ERA5 almanac comparison — 8 years of real data
Lake Tahoe vs Steamboat Springs: weather in September
Essentially a tie in September: Lake Tahoe is 48% clear historically, Steamboat Springs is 52% clear (8-year ERA5 average) — within the noise. Avg high 72°F vs 74°F. Pick based on flight time or price, not weather — the weather won't decide this one for you.
Lake Tahoe
CA
- Clear days, September
- 48%
- Sample size
- n=240 days
- Avg high
- 72°F
- Early September (1st–15th)
- 65%
- Late September (16th–end)
- 31%
- Rain frequency
- 10% of days
Steamboat Springs
CO
- Clear days, September
- 52%
- Sample size
- n=240 days
- Avg high
- 74°F
- Early September (1st–15th)
- 64%
- Late September (16th–end)
- 39%
- Rain frequency
- 14% of days
Frequently asked
Is Lake Tahoe or Steamboat Springs warmer in September?
Steamboat Springs runs warmer by day in September. Lake Tahoe averages highs of 72°F (highs n=240 days); Steamboat Springs averages highs of 74°F (highs n=240 days) (ERA5 2018–2025). Historical averages, not a forecast.
Does it rain more in Lake Tahoe or Steamboat Springs in September?
Days with measurable rain: Lake Tahoe 10%, Steamboat Springs 14% (n=240 and n=240 days). ERA5 2018–2025; historical, not a forecast.
Which is sunnier in September, Lake Tahoe or Steamboat Springs?
Essentially a tie in September: Lake Tahoe is 48% clear historically, Steamboat Springs is 52% clear (8-year ERA5 average) — within the noise. Avg high 72°F vs 74°F. Pick based on flight time or price, not weather — the weather won't decide this one for you.
Compare Lake Tahoe vs Steamboat Springs in another month
All percentages are historical averages from the ERA5 reanalysis via Open-Meteo, 8 full years (2018–2025). “Clear” means avg high ≥ 72 °F, precipitation < 1 mm, and a non-precipitation weather code. This is history, not a forecast. The live forecast for any destination is on its own page and may differ from the long-run average. Data from Open-Meteo.